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aria-hidden=true tabindex=-1></button><a title="Install an Istio mesh across multiple Kubernetes clusters." href=/v1.13/docs/setup/install/multicluster/>Install Multicluster</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Initial steps before installing Istio on multiple clusters." href=/v1.13/docs/setup/install/multicluster/before-you-begin/>Before you begin</a></li><li role=none><a role=treeitem title="Install an Istio mesh across multiple primary clusters." href=/v1.13/docs/setup/install/multicluster/multi-primary/>Install Multi-Primary</a></li><li role=none><a role=treeitem title="Install an Istio mesh across primary and remote clusters." href=/v1.13/docs/setup/install/multicluster/primary-remote/>Install Primary-Remote</a></li><li role=none><a role=treeitem title="Install an Istio mesh across multiple primary clusters on different networks." href=/v1.13/docs/setup/install/multicluster/multi-primary_multi-network/>Install Multi-Primary on different networks</a></li><li role=none><a role=treeitem title="Install an Istio mesh across primary and remote clusters on different networks." href=/v1.13/docs/setup/install/multicluster/primary-remote_multi-network/>Install Primary-Remote on different networks</a></li><li role=none><a role=treeitem title="Verify that Istio has been installed properly on multiple clusters." href=/v1.13/docs/setup/install/multicluster/verify/>Verify the installation</a></li></ul></li><li role=none><a role=treeitem title="Install Istio with an external control plane and a remote cluster data plane." href=/v1.13/docs/setup/install/external-controlplane/>Install Istio with an External Control Plane</a></li><li role=none><a role=treeitem title="Deploy Istio and connect a workload running within a virtual machine to it." href=/v1.13/docs/setup/install/virtual-machine/>Virtual Machine Installation</a></li><li role=none><a role=treeitem title="Instructions to install Istio in a Kubernetes cluster using the Istio operator (Beta)" href=/v1.13/docs/setup/install/operator/>Istio Operator Install *</a></li></ul></li><li role=treeitem aria-label=Upgrade><button aria-hidden=true tabindex=-1></button><a title="Upgrade, downgrade, and manage Istio accross multiple control plane revisions." href=/v1.13/docs/setup/upgrade/>Upgrade</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Upgrade Istio by first running a canary deployment of a new control plane." href=/v1.13/docs/setup/upgrade/canary/>Canary Upgrades</a></li><li role=none><a role=treeitem title="Upgrade or downgrade Istio in place." href=/v1.13/docs/setup/upgrade/in-place/>In-place Upgrades</a></li><li role=none><a role=treeitem title="Upgrade and configure Istio for in-depth evaluation." href=/v1.13/docs/setup/upgrade/helm/>Upgrade with Helm</a></li></ul></li><li role=treeitem aria-label="More Guides"><button aria-hidden=true tabindex=-1></button><a title="More information on additional setup tasks." href=/v1.13/docs/setup/additional-setup/>More Guides</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes the built-in Istio installation configuration profiles." href=/v1.13/docs/setup/additional-setup/config-profiles/>Installation Configuration Profiles</a></li><li role=none><a role=treeitem title="Install and customize Istio Gateways." href=/v1.13/docs/setup/additional-setup/gateway/>Installing Gateways</a></li><li role=none><a role=treeitem title="Install the Istio sidecar in application pods automatically using the sidecar injector webhook or manually using istioctl CLI." href=/v1.13/docs/setup/additional-setup/sidecar-injection/>Installing the Sidecar</a></li><li role=none><a role=treeitem title="Describes how to customize installation configuration options." href=/v1.13/docs/setup/additional-setup/customize-installation/>Customizing the installation configuration</a></li><li role=none><a role=treeitem title="Install and use Istio with the Istio CNI plugin, allowing operators to deploy services with lower privilege." href=/v1.13/docs/setup/additional-setup/cni/>Install Istio with the Istio CNI plugin</a></li></ul></li></ul></li><li role=treeitem aria-label=Tasks><a class=main title="How to do single specific targeted activities with the Istio system." href=/v1.13/docs/tasks/>Tasks</a><ul role=group aria-expanded=true><li role=treeitem aria-label="Traffic Management"><button aria-hidden=true tabindex=-1></button><a title="Tasks that demonstrate Istio's traffic routing features." href=/v1.13/docs/tasks/traffic-management/>Traffic Management</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="This task shows you how to configure dynamic request routing to multiple versions of a microservice." href=/v1.13/docs/tasks/traffic-management/request-routing/>Request Routing</a></li><li role=none><a role=treeitem title="This task shows you how to inject faults to test the resiliency of your application." href=/v1.13/docs/tasks/traffic-management/fault-injection/>Fault Injection</a></li><li role=none><a role=treeitem title="Shows you how to migrate traffic from an old to new version of a service." href=/v1.13/docs/tasks/traffic-management/traffic-shifting/>Traffic Shifting</a></li><li role=none><a role=treeitem title="Shows you how to migrate TCP traffic from an old to new version of a TCP service." href=/v1.13/docs/tasks/traffic-management/tcp-traffic-shifting/>TCP Traffic Shifting</a></li><li role=none><a role=treeitem title="This task shows you how to setup request timeouts in Envoy using Istio." href=/v1.13/docs/tasks/traffic-management/request-timeouts/>Request Timeouts</a></li><li role=none><a role=treeitem title="This task shows you how to configure circuit breaking for connections, requests, and outlier detection." href=/v1.13/docs/tasks/traffic-management/circuit-breaking/>Circuit Breaking</a></li><li role=none><a role=treeitem title="This task demonstrates the traffic mirroring/shadowing capabilities of Istio." href=/v1.13/docs/tasks/traffic-management/mirroring/>Mirroring</a></li><li role=treeitem aria-label="Locality Load Balancing"><button aria-hidden=true tabindex=-1></button><a title="This series of tasks demonstrate how to configure locality load balancing in Istio." href=/v1.13/docs/tasks/traffic-management/locality-load-balancing/>Locality Load Balancing</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Initial steps before configuring locality load balancing." href=/v1.13/docs/tasks/traffic-management/locality-load-balancing/before-you-begin/>Before you begin</a></li><li role=none><a role=treeitem title="This task demonstrates how to configure your mesh for locality failover." href=/v1.13/docs/tasks/traffic-management/locality-load-balancing/failover/>Locality failover</a></li><li role=none><a role=treeitem title="This guide demonstrates how to configure locality distribution." href=/v1.13/docs/tasks/traffic-management/locality-load-balancing/distribute/>Locality weighted distribution</a></li><li role=none><a role=treeitem title="Cleanup steps for locality load balancing." href=/v1.13/docs/tasks/traffic-management/locality-load-balancing/cleanup/>Cleanup</a></li></ul></li><li role=treeitem aria-label=Ingress><button aria-hidden=true tabindex=-1></button><a title="Controlling ingress traffic for an Istio service mesh." href=/v1.13/docs/tasks/traffic-management/ingress/>Ingress</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes how to configure an Istio gateway to expose a service outside of the service mesh." href=/v1.13/docs/tasks/traffic-management/ingress/ingress-control/>Ingress Gateways</a></li><li role=none><a role=treeitem title="Expose a service outside of the service mesh over TLS or mTLS." href=/v1.13/docs/tasks/traffic-management/ingress/secure-ingress/>Secure Gateways</a></li><li role=none><a role=treeitem title="Describes how to configure SNI passthrough for an ingress gateway." href=/v1.13/docs/tasks/traffic-management/ingress/ingress-sni-passthrough/>Ingress Gateway without TLS Termination</a></li><li role=none><a role=treeitem title="Describes how to configure a Kubernetes Ingress object to expose a service outside of the service mesh." href=/v1.13/docs/tasks/traffic-management/ingress/kubernetes-ingress/>Kubernetes Ingress</a></li><li role=none><a role=treeitem title="Describes how to configure the Kubernetes Gateway API with Istio." href=/v1.13/docs/tasks/traffic-management/ingress/gateway-api/>Kubernetes Gateway API</a></li></ul></li><li role=treeitem aria-label=Egress><button aria-hidden=true tabindex=-1></button><a title="Controlling egress traffic for an Istio service mesh." href=/v1.13/docs/tasks/traffic-management/egress/>Egress</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes how to configure Istio to route traffic from services in the mesh to external services." href=/v1.13/docs/tasks/traffic-management/egress/egress-control/>Accessing External Services</a></li><li role=none><a role=treeitem title="Describes how to configure Istio to perform TLS origination for traffic to external services." href=/v1.13/docs/tasks/traffic-management/egress/egress-tls-origination/>Egress TLS Origination</a></li><li role=none><a role=treeitem title="Describes how to configure Istio to direct traffic to external services through a dedicated gateway." href=/v1.13/docs/tasks/traffic-management/egress/egress-gateway/>Egress Gateways</a></li><li role=none><a role=treeitem title="Describes how to configure an Egress Gateway to perform TLS origination to external services." href=/v1.13/docs/tasks/traffic-management/egress/egress-gateway-tls-origination/>Egress Gateways with TLS Origination</a></li><li role=none><a role=treeitem title="Describes how to enable egress traffic for a set of hosts in a common domain, instead of configuring each and every host separately." href=/v1.13/docs/tasks/traffic-management/egress/wildcard-egress-hosts/>Egress using Wildcard Hosts</a></li><li role=none><a role=treeitem title="Describes how to configure Istio to let applications use an external HTTPS proxy." href=/v1.13/docs/tasks/traffic-management/egress/http-proxy/>Using an External HTTPS Proxy</a></li><li role=none><a role=treeitem title="Shows how to configure Istio for Kubernetes External Services." href=/v1.13/docs/tasks/traffic-management/egress/egress-kubernetes-services/>Kubernetes Services for Egress Traffic</a></li></ul></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true tabindex=-1></button><a title="Demonstrates how to secure the mesh." href=/v1.13/docs/tasks/security/>Security</a><ul role=group aria-expanded=false><li role=treeitem aria-label="Certificate Management"><button aria-hidden=true tabindex=-1></button><a title="Management of the certificates in Istio." href=/v1.13/docs/tasks/security/cert-management/>Certificate Management</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows how system administrators can configure Istio's CA with a root certificate, signing certificate and key." href=/v1.13/docs/tasks/security/cert-management/plugin-ca-cert/>Plug in CA Certificates</a></li><li role=none><a role=treeitem title="Shows how to provision and manage DNS certificates in Istio." href=/v1.13/docs/tasks/security/cert-management/dns-cert/>Istio DNS Certificate Management</a></li><li role=none><a role=treeitem title="Shows how to use a Custom Certificate Authority (that integrates with the Kubernetes CSR API) to provision Istio workload certificates (Experimental)" href=/v1.13/docs/tasks/security/cert-management/custom-ca-k8s/>Custom CA Integration using Kubernetes CSR *</a></li></ul></li><li role=treeitem aria-label=Authentication><button aria-hidden=true tabindex=-1></button><a title="Controlling mutual TLS and end-user authentication for mesh services." href=/v1.13/docs/tasks/security/authentication/>Authentication</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows you how to use Istio authentication policy to setup mutual TLS and basic end-user authentication." href=/v1.13/docs/tasks/security/authentication/authn-policy/>Authentication Policy</a></li><li role=none><a role=treeitem title="Shows you how to use Istio authentication policy to route requests based on JWT claims (Experimental)" href=/v1.13/docs/tasks/security/authentication/jwt-route/>JWT claim based routing *</a></li><li role=none><a role=treeitem title="Shows you how to incrementally migrate your Istio services to mutual TLS." href=/v1.13/docs/tasks/security/authentication/mtls-migration/>Mutual TLS Migration</a></li></ul></li><li role=treeitem aria-label=Authorization><button aria-hidden=true tabindex=-1></button><a title="Shows how to control access to Istio services." href=/v1.13/docs/tasks/security/authorization/>Authorization</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows how to set up access control for HTTP traffic." href=/v1.13/docs/tasks/security/authorization/authz-http/>HTTP Traffic</a></li><li role=none><a role=treeitem title="Shows how to set up access control for TCP traffic." href=/v1.13/docs/tasks/security/authorization/authz-tcp/>TCP Traffic</a></li><li role=none><a role=treeitem title="Shows how to set up access control for JWT token." href=/v1.13/docs/tasks/security/authorization/authz-jwt/>JWT Token</a></li><li role=none><a role=treeitem title="Shows how to integrate and delegate access control to an external authorization system." href=/v1.13/docs/tasks/security/authorization/authz-custom/>External Authorization</a></li><li role=none><a role=treeitem title="Shows how to set up access control to deny traffic explicitly." href=/v1.13/docs/tasks/security/authorization/authz-deny/>Explicit Deny</a></li><li role=none><a role=treeitem title="Shows how to set up access control on an ingress gateway." href=/v1.13/docs/tasks/security/authorization/authz-ingress/>Ingress Gateway</a></li><li role=none><a role=treeitem title="Shows how to migrate from one trust domain to another without changing authorization policy." href=/v1.13/docs/tasks/security/authorization/authz-td-migration/>Trust Domain Migration</a></li><li role=none><a role=treeitem title="Shows how to dry-run an authorization policy without enforcing it (Experimental)" href=/v1.13/docs/tasks/security/authorization/authz-dry-run/>Dry Run *</a></li></ul></li></ul></li><li role=treeitem aria-label="Policy Enforcement"><button aria-hidden=true tabindex=-1></button><a title="Demonstrates policy enforcement features." href=/v1.13/docs/tasks/policy-enforcement/>Policy Enforcement</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="This task shows you how to configure Istio to dynamically limit the traffic to a service." href=/v1.13/docs/tasks/policy-enforcement/rate-limit/>Enabling Rate Limits using Envoy</a></li></ul></li><li role=treeitem aria-label=Observability><button aria-hidden=true tabindex=-1></button><a title="Demonstrates how to collect telemetry information from the mesh." href=/v1.13/docs/tasks/observability/>Observability</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="This task shows you how to configure the Telemetry API." href=/v1.13/docs/tasks/observability/telemetry/>Telemetry API</a></li><li role=treeitem aria-label=Metrics><button aria-hidden=true tabindex=-1></button><a title="Demonstrates the collection and querying of metrics within Istio." href=/v1.13/docs/tasks/observability/metrics/>Metrics</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="This task shows you how to configure Istio to collect metrics for TCP services." href=/v1.13/docs/tasks/observability/metrics/tcp-metrics/>Collecting Metrics for TCP Services</a></li><li role=none><a role=treeitem title="This task shows you how to customize the Istio metrics." href=/v1.13/docs/tasks/observability/metrics/customize-metrics/>Customizing Istio Metrics</a></li><li role=none><a role=treeitem title="This task shows you how to improve telemetry by grouping requests and responses by their type." href=/v1.13/docs/tasks/observability/metrics/classify-metrics/>Classifying Metrics Based on Request or Response</a></li><li role=none><a role=treeitem title="This task shows you how to query for Istio Metrics using Prometheus." href=/v1.13/docs/tasks/observability/metrics/querying-metrics/>Querying Metrics from Prometheus</a></li><li role=none><a role=treeitem title="This task shows you how to setup and use the Istio Dashboard to monitor mesh traffic." href=/v1.13/docs/tasks/observability/metrics/using-istio-dashboard/>Visualizing Metrics with Grafana</a></li></ul></li><li role=treeitem aria-label=Logs><button aria-hidden=true tabindex=-1></button><a title="Demonstrates the collection of logs within Istio." href=/v1.13/docs/tasks/observability/logs/>Logs</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="This task shows you how to configure Envoy proxies to print access logs to their standard output." href=/v1.13/docs/tasks/observability/logs/access-log/>Envoy Access Logs</a></li><li role=none><a role=treeitem title="This task shows you how to configure Envoy proxies to send access logs with OpenTelemetry collector." href=/v1.13/docs/tasks/observability/logs/otel-provider/>OpenTelemetry</a></li></ul></li><li role=treeitem aria-label="Distributed Tracing"><button aria-hidden=true tabindex=-1></button><a title="This task shows you how to configure Istio-enabled applications to collect trace spans." href=/v1.13/docs/tasks/observability/distributed-tracing/>Distributed Tracing</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Overview of distributed tracing in Istio." href=/v1.13/docs/tasks/observability/distributed-tracing/overview/>Overview</a></li><li role=none><a role=treeitem title="Learn how to configure the proxies to send tracing requests to Jaeger." href=/v1.13/docs/tasks/observability/distributed-tracing/jaeger/>Jaeger</a></li><li role=none><a role=treeitem title="Learn how to configure the proxies to send tracing requests to Zipkin." href=/v1.13/docs/tasks/observability/distributed-tracing/zipkin/>Zipkin</a></li><li role=none><a role=treeitem title="How to configure the proxies to send tracing requests to Lightstep." href=/v1.13/docs/tasks/observability/distributed-tracing/lightstep/>Lightstep</a></li><li role=none><a role=treeitem title="How to configure tracing options using MeshConfig and pod annotations (Beta/Experimental)" href=/v1.13/docs/tasks/observability/distributed-tracing/mesh-and-proxy-config/>Configure tracing using MeshConfig and Pod annotations *</a></li></ul></li><li role=none><a role=treeitem title="This task shows you how to visualize your services within an Istio mesh." href=/v1.13/docs/tasks/observability/kiali/>Visualizing Your Mesh</a></li><li role=none><a role=treeitem title="This task shows you how to configure external access to the set of Istio telemetry addons." href=/v1.13/docs/tasks/observability/gateways/>Remotely Accessing Telemetry Addons</a></li></ul></li></ul></li><li role=treeitem aria-label=Examples><a class=main title="A variety of fully working example uses for Istio that you can experiment with." href=/v1.13/docs/examples/>Examples</a><ul role=group aria-expanded=true><li role=none><a role=treeitem title="Deploys a sample application composed of four separate microservices used to demonstrate various Istio features." href=/v1.13/docs/examples/bookinfo/>Bookinfo Application</a></li><li role=none><a role=treeitem title="Run the Bookinfo application with a MySQL service running on a virtual machine within your mesh." href=/v1.13/docs/examples/virtual-machines/>Bookinfo with a Virtual Machine</a></li><li role=treeitem aria-label="Learn Microservices using Kubernetes and Istio"><button aria-hidden=true tabindex=-1></button><a title="This modular tutorial provides new users with hands-on experience using Istio for common microservices scenarios, one step at a time." href=/v1.13/docs/examples/microservices-istio/>Learn Microservices using Kubernetes and Istio</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/prereq/>Prerequisites</a></li><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/setup-kubernetes-cluster/>Setup a Kubernetes Cluster</a></li><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/setup-local-computer/>Setup a Local Computer</a></li><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/single/>Run a Microservice Locally</a></li><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/package-service/>Run ratings in Docker</a></li><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/bookinfo-kubernetes/>Run Bookinfo with Kubernetes</a></li><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/production-testing/>Test in production</a></li><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/add-new-microservice-version/>Add a new version of reviews</a></li><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/add-istio/>Enable Istio on productpage</a></li><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/enable-istio-all-microservices/>Enable Istio on all the microservices</a></li><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/istio-ingress-gateway/>Configure Istio Ingress Gateway</a></li><li role=none><a role=treeitem title href=/v1.13/docs/examples/microservices-istio/logs-istio/>Monitoring with Istio</a></li></ul></li></ul></li><li role=treeitem aria-label=Operations><a class=main title="Concepts, tools, and techniques to deploy and manage an Istio mesh." href=/v1.13/docs/ops/>Operations</a><ul role=group aria-expanded=true><li role=treeitem aria-label=Deployment><button aria-hidden=true tabindex=-1></button><a title="Requirements, concepts, and considerations for setting up an Istio deployment." href=/v1.13/docs/ops/deployment/>Deployment</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes Istio's high-level architecture and design goals." href=/v1.13/docs/ops/deployment/architecture/>Architecture</a></li><li role=none><a role=treeitem title="Describes the options and considerations when configuring your Istio deployment." href=/v1.13/docs/ops/deployment/deployment-models/>Deployment Models</a></li><li role=none><a role=treeitem title="Describes Istio's high-level architecture for virtual machines." href=/v1.13/docs/ops/deployment/vm-architecture/>Virtual Machine Architecture</a></li><li role=none><a role=treeitem title="Istio performance and scalability summary." href=/v1.13/docs/ops/deployment/performance-and-scalability/>Performance and Scalability</a></li><li role=none><a role=treeitem title="Requirements of applications deployed in an Istio-enabled cluster." href=/v1.13/docs/ops/deployment/requirements/>Application Requirements</a></li></ul></li><li role=treeitem aria-label=Configuration><button aria-hidden=true tabindex=-1></button><a title="Advanced concepts and features for configuring a running Istio mesh." href=/v1.13/docs/ops/configuration/>Configuration</a><ul role=group aria-expanded=false><li role=treeitem aria-label="Mesh Configuration"><button aria-hidden=true tabindex=-1></button><a title="Helps you manage the global mesh configuration." href=/v1.13/docs/ops/configuration/mesh/>Mesh Configuration</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Provides a general overview of Istio's use of Kubernetes webhooks and the related issues that can arise." href=/v1.13/docs/ops/configuration/mesh/webhook/>Dynamic Admission Webhooks Overview</a></li><li role=none><a role=treeitem title="Describes how to wait until a resource reaches a given status of readiness." href=/v1.13/docs/ops/configuration/mesh/config-resource-ready/>Wait on Resource Status for Applied Configuration</a></li><li role=none><a role=treeitem title="Describes Istio's use of Kubernetes webhooks for automatic sidecar injection." href=/v1.13/docs/ops/configuration/mesh/injection-concepts/>Automatic Sidecar Injection</a></li><li role=none><a role=treeitem title="Shows how to do health checking for Istio services." href=/v1.13/docs/ops/configuration/mesh/app-health-check/>Health Checking of Istio Services</a></li></ul></li><li role=treeitem aria-label="Traffic Management"><button aria-hidden=true tabindex=-1></button><a title="Helps you manage the networking aspects of a running mesh." href=/v1.13/docs/ops/configuration/traffic-management/>Traffic Management</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Information on how to specify protocols." href=/v1.13/docs/ops/configuration/traffic-management/protocol-selection/>Protocol Selection</a></li><li role=none><a role=treeitem title="How to configure TLS settings to secure network traffic." href=/v1.13/docs/ops/configuration/traffic-management/tls-configuration/>TLS Configuration</a></li><li role=none><a role=treeitem title="How Istio routes traffic through the mesh." href=/v1.13/docs/ops/configuration/traffic-management/traffic-routing/>Traffic Routing</a></li><li role=none><a role=treeitem title="How DNS interacts with Istio." href=/v1.13/docs/ops/configuration/traffic-management/dns/>DNS</a></li><li role=none><a role=treeitem title="How to configure gateway network topology (Alpha)" href=/v1.13/docs/ops/configuration/traffic-management/network-topologies/>Configuring Gateway Network Topology *</a></li><li role=none><a role=treeitem title="How to configure DNS proxying." href=/v1.13/docs/ops/configuration/traffic-management/dns-proxy/>DNS Proxying</a></li><li role=none><a role=treeitem title="How to configure how traffic is distributed among clusters in the mesh." href=/v1.13/docs/ops/configuration/traffic-management/multicluster/>Multi-cluster Traffic Management</a></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true tabindex=-1></button><a title="Helps you manage the security aspects of a running mesh." href=/v1.13/docs/ops/configuration/security/>Security</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows common examples of using Istio security policy." href=/v1.13/docs/ops/configuration/security/security-policy-examples/>Security policy examples</a></li><li role=none><a role=treeitem title="Use hardened container images to reduce Istio's attack surface." href=/v1.13/docs/ops/configuration/security/harden-docker-images/>Harden Docker Container Images</a></li></ul></li><li role=treeitem aria-label=Observability><button aria-hidden=true tabindex=-1></button><a title="Helps you manage telemetry collection and visualization in a running mesh." href=/v1.13/docs/ops/configuration/telemetry/>Observability</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Fine-grained control of Envoy statistics." href=/v1.13/docs/ops/configuration/telemetry/envoy-stats/>Envoy Statistics</a></li><li role=none><a role=treeitem title="Configure Prometheus to monitor multicluster Istio." href=/v1.13/docs/ops/configuration/telemetry/monitoring-multicluster-prometheus/>Monitoring Multicluster Istio with Prometheus</a></li></ul></li><li role=treeitem aria-label=Extensibility><button aria-hidden=true tabindex=-1></button><a title="Helps you manage extensions to the service mesh." href=/v1.13/docs/ops/configuration/extensibility/>Extensibility</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Describes how to make remote WebAssembly modules available in the mesh (Alpha)" href=/v1.13/docs/ops/configuration/extensibility/wasm-module-distribution/>Distributing WebAssembly Modules *</a></li></ul></li></ul></li><li role=treeitem aria-label="Best Practices"><button aria-hidden=true tabindex=-1></button><a title="Best practices for setting up and managing an Istio service mesh." href=/v1.13/docs/ops/best-practices/>Best Practices</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="General best practices when setting up an Istio service mesh." href=/v1.13/docs/ops/best-practices/deployment/>Deployment Best Practices</a></li><li role=none><a role=treeitem title="Configuration best practices to avoid networking or traffic management issues." href=/v1.13/docs/ops/best-practices/traffic-management/>Traffic Management Best Practices</a></li><li role=none><a role=treeitem title="Best practices for securing applications using Istio." href=/v1.13/docs/ops/best-practices/security/>Security Best Practices</a></li><li role=none><a role=treeitem title="Best practices for observing applications using Istio." href=/v1.13/docs/ops/best-practices/observability/>Observability Best Practices</a></li></ul></li><li role=treeitem aria-label="Common Problems"><button aria-hidden=true tabindex=-1></button><a title="Describes how to identify and resolve common problems in Istio." href=/v1.13/docs/ops/common-problems/>Common Problems</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Techniques to address common Istio traffic management and network problems." href=/v1.13/docs/ops/common-problems/network-issues/>Traffic Management Problems</a></li><li role=none><a role=treeitem title="Techniques to address common Istio authentication, authorization, and general security-related problems." href=/v1.13/docs/ops/common-problems/security-issues/>Security Problems</a></li><li role=none><a role=treeitem title="Dealing with telemetry collection issues." href=/v1.13/docs/ops/common-problems/observability-issues/>Observability Problems</a></li><li role=none><a role=treeitem title="Resolve common problems with Istio's use of Kubernetes webhooks for automatic sidecar injection." href=/v1.13/docs/ops/common-problems/injection/>Sidecar Injection Problems</a></li><li role=none><a role=treeitem title="Describes how to resolve configuration validation problems." href=/v1.13/docs/ops/common-problems/validation/>Configuration Validation Problems</a></li></ul></li><li role=treeitem aria-label="Diagnostic Tools"><button aria-hidden=true tabindex=-1></button><a title="Tools and techniques to help troubleshoot an Istio mesh." href=/v1.13/docs/ops/diagnostic-tools/>Diagnostic Tools</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Istio includes a supplemental tool that provides debugging and diagnosis for Istio service mesh deployments." href=/v1.13/docs/ops/diagnostic-tools/istioctl/>Using the Istioctl Command-line Tool</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose Envoy configuration issues related to traffic management." href=/v1.13/docs/ops/diagnostic-tools/proxy-cmd/>Debugging Envoy and Istiod</a></li><li role=none><a role=treeitem title="Shows you how to use istioctl describe to verify the configurations of a pod in your mesh." href=/v1.13/docs/ops/diagnostic-tools/istioctl-describe/>Understand your Mesh with Istioctl Describe</a></li><li role=none><a role=treeitem title="Shows you how to use istioctl analyze to identify potential issues with your configuration." href=/v1.13/docs/ops/diagnostic-tools/istioctl-analyze/>Diagnose your Configuration with Istioctl Analyze</a></li><li role=none><a role=treeitem title="Describes how to use ControlZ to get insight into a running istiod component." href=/v1.13/docs/ops/diagnostic-tools/controlz/>Istiod Introspection</a></li><li role=none><a role=treeitem title="Describes how to use component-level logging to get insights into a running component's behavior." href=/v1.13/docs/ops/diagnostic-tools/component-logging/>Component Logging</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose issues with Virtual Machines." href=/v1.13/docs/ops/diagnostic-tools/virtual-machines/>Debugging Virtual Machines</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose issues with multicluster and multi-network installations." href=/v1.13/docs/ops/diagnostic-tools/multicluster/>Troubleshooting Multicluster</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose issues using Istio with the CNI plugin." href=/v1.13/docs/ops/diagnostic-tools/cni/>Troubleshooting the Istio CNI plugin</a></li></ul></li><li role=treeitem aria-label=Integrations><button aria-hidden=true tabindex=-1></button><a title="Other software that Istio can integrate with to provide additional functionality." href=/v1.13/docs/ops/integrations/>Integrations</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Information on how to integrate with cert-manager." href=/v1.13/docs/ops/integrations/certmanager/>cert-manager</a></li><li role=none><a role=treeitem title="Information on how to integrate with Grafana to set up Istio dashboards." href=/v1.13/docs/ops/integrations/grafana/>Grafana</a></li><li role=none><a role=treeitem title="How to integrate with Jaeger." href=/v1.13/docs/ops/integrations/jaeger/>Jaeger</a></li><li role=none><a role=treeitem title="Information on how to integrate with Kiali." href=/v1.13/docs/ops/integrations/kiali/>Kiali</a></li><li role=none><a role=treeitem title="How to integrate with Prometheus." href=/v1.13/docs/ops/integrations/prometheus/>Prometheus</a></li><li role=none><a role=treeitem title="How to integrate with Zipkin." href=/v1.13/docs/ops/integrations/zipkin/>Zipkin</a></li></ul></li></ul></li><li role=treeitem aria-label=Releases><a class=main title="Information relating to Istio releases." href=/v1.13/docs/releases/>Releases</a><ul role=group aria-expanded=true><li role=none><a role=treeitem title="List of features and their release stages." href=/v1.13/docs/releases/feature-stages/>Feature Status</a></li><li role=none><a role=treeitem title="What to do if you find a bug." href=/v1.13/docs/releases/bugs/>Reporting Bugs</a></li><li role=none><a role=treeitem title="How we handle security vulnerabilities." href=/v1.13/docs/releases/security-vulnerabilities/>Security Vulnerabilities</a></li><li role=none><a role=treeitem title="The currently supported Istio releases." href=/v1.13/docs/releases/supported-releases/>Supported Releases</a></li><li role=treeitem aria-label="Contribute Documentation"><button aria-hidden=true tabindex=-1></button><a title="Details how to create and maintain Istio documentation pages." href=/v1.13/docs/releases/contribute/>Contribute Documentation</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows you how to use GitHub to contribute to the Istio documentation." href=/v1.13/docs/releases/contribute/github/>Work with GitHub</a></li><li role=none><a role=treeitem title="Details how to contribute new documentation to Istio." href=/v1.13/docs/releases/contribute/add-content/>Add New Documentation</a></li><li role=none><a role=treeitem title="Details how to contribute retired documentation to Istio." href=/v1.13/docs/releases/contribute/remove-content/>Remove Retired Documentation</a></li><li role=none><a role=treeitem title="Explains how to locally build, test, serve, and preview the website." href=/v1.13/docs/releases/contribute/build/>Build and serve the website locally</a></li><li role=none><a role=treeitem title="Explains the front matter used in our documentation and the fields available." href=/v1.13/docs/releases/contribute/front-matter/>Front matter</a></li><li role=none><a role=treeitem title="Shows you how changes to the Istio documentation and website are reviewed and approved." href=/v1.13/docs/releases/contribute/review/>Documentation Review Process</a></li><li role=none><a role=treeitem title="Explains how to include code in your documentation." href=/v1.13/docs/releases/contribute/code-blocks/>Add Code Blocks</a></li><li role=none><a role=treeitem title="Explains the shortcodes available and how to use them." href=/v1.13/docs/releases/contribute/shortcodes/>Use Shortcodes</a></li><li role=none><a role=treeitem title="Explains the standard markup used to format Istio documentation." href=/v1.13/docs/releases/contribute/formatting/>Follow Formatting Standards</a></li><li role=none><a role=treeitem title="Explains the style conventions used in the Istio documentation." href=/v1.13/docs/releases/contribute/style-guide/>Style Guide</a></li><li role=none><a role=treeitem title="Explains the terminology standards used in the Istio documentation." href=/v1.13/docs/releases/contribute/terminology/>Terminology Standards</a></li><li role=none><a role=treeitem title="Provides assets and instructions to create diagrams for the Istio documentation." href=/v1.13/docs/releases/contribute/diagrams/>Diagram Creation Guidelines</a></li></ul></li><li role=none><a role=treeitem title="List of recent changes to this website." href=/v1.13/docs/releases/log/>Website Content Changes</a></li></ul></li><li role=treeitem aria-label=Reference><a class=main title="Detailed authoritative reference material such as command-line options, configuration options, and API calling parameters." href=/v1.13/docs/reference/>Reference</a><ul role=group aria-expanded=true><li role=treeitem aria-label=Configuration><button class=show aria-hidden=true tabindex=-1></button><a title="Detailed information on configuration options." href=/v1.13/docs/reference/config/>Configuration</a><ul role=group aria-expanded=true><li role=none><a role=treeitem title="Telemetry configuration for workloads." href=/v1.13/docs/reference/config/telemetry/>Telemetry</a></li><li role=none><a role=treeitem title="Configuration affecting Istio control plane installation version and shape." href=/v1.13/docs/reference/config/istio.operator.v1alpha1/>IstioOperator Options</a></li><li role=none><a role=treeitem title="Configuration affecting the service mesh as a whole." href=/v1.13/docs/reference/config/istio.mesh.v1alpha1/>Global Mesh Options</a></li><li role=none><a role=treeitem title="Describes the structure of messages generated by Istio analyzers." href=/v1.13/docs/reference/config/istio.analysis.v1alpha1/>Analysis Messages</a></li><li role=none><a role=treeitem title="Describes the role of the `status` field in configuration workflow." href=/v1.13/docs/reference/config/config-status/>Configuration Status Field</a></li><li role=treeitem aria-label="Proxy Extensions"><button aria-hidden=true tabindex=-1></button><a title="Describes how to configure Istio proxy extensions." href=/v1.13/docs/reference/config/proxy_extensions/>Proxy Extensions</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Extend the functionality provided by the Istio proxy through WebAssembly filters." href=/v1.13/docs/reference/config/proxy_extensions/wasm-plugin/>Wasm Plugin</a></li><li role=none><a role=treeitem title="Configuration for Stats Filter." href=/v1.13/docs/reference/config/proxy_extensions/stats/>Stats Config</a></li><li role=none><a role=treeitem title="Configuration for Stackdriver filter." href=/v1.13/docs/reference/config/proxy_extensions/stackdriver/>Stackdriver Config</a></li><li role=none><a role=treeitem title="Configuration for Metadata Exchange Filter." href=/v1.13/docs/reference/config/proxy_extensions/metadata_exchange/>Metadata Exchange Config</a></li><li role=none><a role=treeitem title="Configuration for AccessLogPolicy Filter." href=/v1.13/docs/reference/config/proxy_extensions/accesslogpolicy/>AccessLogPolicy Config</a></li><li role=none><a role=treeitem title="Configuration for Attribute Generation plugin." href=/v1.13/docs/reference/config/proxy_extensions/attributegen/>AttributeGen Config</a></li><li role=none><a role=treeitem title="How to enable telemetry generation with the Wasm runtime (Experimental)" href=/v1.13/docs/reference/config/proxy_extensions/wasm_telemetry/>Wasm-based Telemetry *</a></li></ul></li><li role=treeitem aria-label="Traffic Management"><button aria-hidden=true tabindex=-1></button><a title="Describes how to configure HTTP/TCP routing features." href=/v1.13/docs/reference/config/networking/>Traffic Management</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Configuration affecting load balancing, outlier detection, etc." href=/v1.13/docs/reference/config/networking/destination-rule/>Destination Rule</a></li><li role=none><a role=treeitem title="Customizing Envoy configuration generated by Istio." href=/v1.13/docs/reference/config/networking/envoy-filter/>Envoy Filter</a></li><li role=none><a role=treeitem title="Configuration affecting edge load balancer." href=/v1.13/docs/reference/config/networking/gateway/>Gateway</a></li><li role=none><a role=treeitem title="Provides configuration for individual workloads." href=/v1.13/docs/reference/config/networking/proxy-config/>ProxyConfig</a></li><li role=none><a role=treeitem title="Configuration affecting service registry." href=/v1.13/docs/reference/config/networking/service-entry/>Service Entry</a></li><li role=none><a role=treeitem title="Configuration affecting network reachability of a sidecar." href=/v1.13/docs/reference/config/networking/sidecar/>Sidecar</a></li><li role=none><a role=treeitem title="Configuration affecting label/content routing, sni routing, etc." href=/v1.13/docs/reference/config/networking/virtual-service/>Virtual Service</a></li><li role=none><a role=treeitem title="Describes a collection of workload instances." href=/v1.13/docs/reference/config/networking/workload-group/>Workload Group</a></li><li role=none><a role=treeitem title="Configuration affecting VMs onboarded into the mesh." href=/v1.13/docs/reference/config/networking/workload-entry/>Workload Entry</a></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true tabindex=-1></button><a title="Describes how to configure Istio's security features." href=/v1.13/docs/reference/config/security/>Security</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Configuration to validate JWT." href=/v1.13/docs/reference/config/security/jwt/>JWTRule</a></li><li role=none><a role=treeitem title="Peer authentication configuration for workloads." href=/v1.13/docs/reference/config/security/peer_authentication/>PeerAuthentication</a></li><li role=none><a role=treeitem title="Request authentication configuration for workloads." href=/v1.13/docs/reference/config/security/request_authentication/>RequestAuthentication</a></li><li role=none><a role=treeitem title="Configuration for access control on workloads." href=/v1.13/docs/reference/config/security/authorization-policy/>Authorization Policy</a></li><li role=none><a role=treeitem title="Describes the supported conditions in authorization policies." href=/v1.13/docs/reference/config/security/conditions/>Authorization Policy Conditions</a></li><li role=none><a role=treeitem title="Describes the supported normalizations in authorization policies." href=/v1.13/docs/reference/config/security/normalization/>Authorization Policy Normalization</a></li></ul></li><li role=none><a role=treeitem title="Istio standard metrics exported by Istio telemetry." href=/v1.13/docs/reference/config/metrics/>Istio Standard Metrics</a></li><li role=treeitem aria-label="Common Types"><button aria-hidden=true tabindex=-1></button><a title="Describes common types in Istio API." href=/v1.13/docs/reference/config/type/>Common Types</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Definition of a workload selector." href=/v1.13/docs/reference/config/type/workload-selector/>Workload Selector</a></li></ul></li><li role=none><a role=treeitem title="Resource annotations used by Istio." href=/v1.13/docs/reference/config/annotations/>Resource Annotations</a></li><li role=none><a role=treeitem title="Resource labels used by Istio." href=/v1.13/docs/reference/config/labels/>Resource Labels</a></li><li role=treeitem aria-label="Configuration Analysis Messages"><button aria-hidden=true tabindex=-1></button><a title="Documents the individual error and warning messages produced during configuration analysis." href=/v1.13/docs/reference/config/analysis/>Configuration Analysis Messages</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0103/>PodMissingProxy</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/message-format/>Analyzer Message Format</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0109/>ConflictingMeshGatewayVirtualServiceHosts</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0110/>ConflictingSidecarWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0116/>DeploymentAssociatedToMultipleServices</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0137/>DeploymentConflictingPorts</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0117/>DeploymentRequiresServiceAssociated</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0002/>Deprecated</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0135/>DeprecatedAnnotation</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0150/>ExternalNameServiceTypeInvalidPortName</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0104/>GatewayPortNotOnWorkload</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0001/>InternalError</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0125/>InvalidAnnotation</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0144/>InvalidApplicationUID</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0122/>InvalidRegexp</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0105/>IstioProxyImageMismatch</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0119/>JwtFailureDueToInvalidServicePortPrefix</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0143/>LocalhostListener</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0136/>AlphaAnnotation</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0113/>MTLSPolicyConflict</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0111/>MultipleSidecarsWithoutWorkloadSelectors</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0123/>NamespaceMultipleInjectionLabels</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0102/>NamespaceNotInjected</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0127/>NoMatchingWorkloadsFound</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0128/>NoServerCertificateVerificationDestinationLevel</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0129/>NoServerCertificateVerificationPortLevel</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0107/>MisplacedAnnotation</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0118/>PortNameIsNotUnderNamingConvention</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0101/>ReferencedResourceNotFound</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0106/>SchemaValidationError</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0134/>ServiceEntryAddressesRequired</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0108/>UnknownAnnotation</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0112/>VirtualServiceDestinationPortSelectorRequired</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0132/>VirtualServiceHostNotFoundInGateway</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0130/>VirtualServiceUnreachableRule</a></li><li role=none><a role=treeitem title href=/v1.13/docs/reference/config/analysis/ist0131/>VirtualServiceIneffectiveMatch</a></li></ul></li></ul></li><li role=treeitem aria-label=Commands><button aria-hidden=true tabindex=-1></button><a title="Describes usage and options of the Istio commands and utilities." href=/v1.13/docs/reference/commands/>Commands</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Install and configure Istio CNI plugin on a node, detect and repair pod which is broken by race condition." href=/v1.13/docs/reference/commands/install-cni/>install-cni</a></li><li role=none><a role=treeitem title="Istio control interface." href=/v1.13/docs/reference/commands/istioctl/>istioctl</a></li><li role=none><a role=treeitem title="The Istio operator." href=/v1.13/docs/reference/commands/operator/>operator</a></li><li role=none><a role=treeitem title="Istio Pilot agent." href=/v1.13/docs/reference/commands/pilot-agent/>pilot-agent</a></li><li role=none><a role=treeitem title="Istio Pilot." href=/v1.13/docs/reference/commands/pilot-discovery/>pilot-discovery</a></li></ul></li><li role=none><a role=treeitem title="A glossary of common Istio terms." href=/v1.13/docs/reference/glossary/>Glossary</a></li></ul></li></ul></div></div></div></nav></div><div class=article-container><button id=sidebar-toggle class=main-navigation-toggle aria-label="Open sidebar"><svg class="icon hamburger-sidebar"><use xlink:href="/v1.13/img/icons.svg#hamburger-sidebar"/></svg>
Contents</button><article aria-labelledby=title><nav aria-label=Breadcrumb><ol><li><a href=/v1.13/docs/ title="Learn how to deploy, use, and operate Istio.">Documentation</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.13/img/icons.svg#breadcrumb-arrow"/></svg></li><li><a href=/v1.13/docs/reference/ title="Detailed authoritative reference material such as command-line options, configuration options, and API calling parameters.">Reference</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.13/img/icons.svg#breadcrumb-arrow"/></svg></li><li><a href=/v1.13/docs/reference/config/ title="Detailed information on configuration options.">Configuration</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.13/img/icons.svg#breadcrumb-arrow"/></svg></li><li>Global Mesh Options</li></ol></nav><div class=title-area><div style=width:100%><h1 id=title>Global Mesh Options</h1><p class=byline><span class=reading-time title="8540 words"><svg class="icon clock"><use xlink:href="/v1.13/img/icons.svg#clock"/></svg><span>&nbsp;</span>41 minute read</span>
<span>&nbsp;</span>
<span></span></p></div></div><nav class=toc-inlined aria-label="Table of Contents"><div><hr><ol><li role=none aria-label=MeshConfig><a href=#MeshConfig>MeshConfig</a><li role=none aria-label=ConfigSource><a href=#ConfigSource>ConfigSource</a><li role=none aria-label=Certificate><a href=#Certificate>Certificate</a><li role=none aria-label=MeshConfig.OutboundTrafficPolicy><a href=#MeshConfig-OutboundTrafficPolicy>MeshConfig.OutboundTrafficPolicy</a><li role=none aria-label=MeshConfig.CertificateData><a href=#MeshConfig-CertificateData>MeshConfig.CertificateData</a><li role=none aria-label=MeshConfig.ThriftConfig><a href=#MeshConfig-ThriftConfig>MeshConfig.ThriftConfig</a><li role=none aria-label=MeshConfig.CA><a href=#MeshConfig-CA>MeshConfig.CA</a><li role=none aria-label=MeshConfig.ExtensionProvider><a href=#MeshConfig-ExtensionProvider>MeshConfig.ExtensionProvider</a><li role=none aria-label=MeshConfig.DefaultProviders><a href=#MeshConfig-DefaultProviders>MeshConfig.DefaultProviders</a><li role=none aria-label=MeshConfig.ProxyPathNormalization><a href=#MeshConfig-ProxyPathNormalization>MeshConfig.ProxyPathNormalization</a><li role=none aria-label=MeshConfig.ServiceSettings.Settings><a href=#MeshConfig-ServiceSettings-Settings>MeshConfig.ServiceSettings.Settings</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationRequestBody><a href=#MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationRequestBody>MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationRequestBody</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationHttpProvider><a href=#MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider>MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationHttpProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationGrpcProvider><a href=#MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationGrpcProvider>MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationGrpcProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.ZipkinTracingProvider><a href=#MeshConfig-ExtensionProvider-ZipkinTracingProvider>MeshConfig.ExtensionProvider.ZipkinTracingProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.LightstepTracingProvider><a href=#MeshConfig-ExtensionProvider-LightstepTracingProvider>MeshConfig.ExtensionProvider.LightstepTracingProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.DatadogTracingProvider><a href=#MeshConfig-ExtensionProvider-DatadogTracingProvider>MeshConfig.ExtensionProvider.DatadogTracingProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.SkyWalkingTracingProvider><a href=#MeshConfig-ExtensionProvider-SkyWalkingTracingProvider>MeshConfig.ExtensionProvider.SkyWalkingTracingProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.StackdriverProvider><a href=#MeshConfig-ExtensionProvider-StackdriverProvider>MeshConfig.ExtensionProvider.StackdriverProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.OpenCensusAgentTracingProvider><a href=#MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider>MeshConfig.ExtensionProvider.OpenCensusAgentTracingProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.PrometheusMetricsProvider><a href=#MeshConfig-ExtensionProvider-PrometheusMetricsProvider>MeshConfig.ExtensionProvider.PrometheusMetricsProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyFileAccessLogProvider><a href=#MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider>MeshConfig.ExtensionProvider.EnvoyFileAccessLogProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyHttpGrpcV3LogProvider><a href=#MeshConfig-ExtensionProvider-EnvoyHttpGrpcV3LogProvider>MeshConfig.ExtensionProvider.EnvoyHttpGrpcV3LogProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyTcpGrpcV3LogProvider><a href=#MeshConfig-ExtensionProvider-EnvoyTcpGrpcV3LogProvider>MeshConfig.ExtensionProvider.EnvoyTcpGrpcV3LogProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyOpenTelemetryLogProvider><a href=#MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider>MeshConfig.ExtensionProvider.EnvoyOpenTelemetryLogProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.StackdriverProvider.Logging><a href=#MeshConfig-ExtensionProvider-StackdriverProvider-Logging>MeshConfig.ExtensionProvider.StackdriverProvider.Logging</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyFileAccessLogProvider.LogFormat><a href=#MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider-LogFormat>MeshConfig.ExtensionProvider.EnvoyFileAccessLogProvider.LogFormat</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyOpenTelemetryLogProvider.LogFormat><a href=#MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider-LogFormat>MeshConfig.ExtensionProvider.EnvoyOpenTelemetryLogProvider.LogFormat</a><li role=none aria-label=k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector><a href=#k8s-io-apimachinery-pkg-apis-meta-v1-LabelSelector>k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector</a><li role=none aria-label=Tracing><a href=#Tracing>Tracing</a><li role=none aria-label=SDS><a href=#SDS>SDS</a><li role=none aria-label=ProxyConfig><a href=#ProxyConfig>ProxyConfig</a><li role=none aria-label=RemoteService><a href=#RemoteService>RemoteService</a><li role=none aria-label=Tracing.Zipkin><a href=#Tracing-Zipkin>Tracing.Zipkin</a><li role=none aria-label=Tracing.Lightstep><a href=#Tracing-Lightstep>Tracing.Lightstep</a><li role=none aria-label=Tracing.Datadog><a href=#Tracing-Datadog>Tracing.Datadog</a><li role=none aria-label=Tracing.Stackdriver><a href=#Tracing-Stackdriver>Tracing.Stackdriver</a><li role=none aria-label=Tracing.OpenCensusAgent><a href=#Tracing-OpenCensusAgent>Tracing.OpenCensusAgent</a><li role=none aria-label=ProxyConfig.ProxyStatsMatcher><a href=#ProxyConfig-ProxyStatsMatcher>ProxyConfig.ProxyStatsMatcher</a><li role=none aria-label=Network><a href=#Network>Network</a><li role=none aria-label=MeshNetworks><a href=#MeshNetworks>MeshNetworks</a><li role=none aria-label=Network.NetworkEndpoints><a href=#Network-NetworkEndpoints>Network.NetworkEndpoints</a><li role=none aria-label=Network.IstioNetworkGateway><a href=#Network-IstioNetworkGateway>Network.IstioNetworkGateway</a><li role=none aria-label=MeshConfig.OutboundTrafficPolicy.Mode><a href=#MeshConfig-OutboundTrafficPolicy-Mode>MeshConfig.OutboundTrafficPolicy.Mode</a><li role=none aria-label=MeshConfig.ExtensionProvider.OpenCensusAgentTracingProvider.TraceContext><a href=#MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-TraceContext>MeshConfig.ExtensionProvider.OpenCensusAgentTracingProvider.TraceContext</a><li role=none aria-label=MeshConfig.ProxyPathNormalization.NormalizationType><a href=#MeshConfig-ProxyPathNormalization-NormalizationType>MeshConfig.ProxyPathNormalization.NormalizationType</a><li role=none aria-label=MeshConfig.IngressControllerMode><a href=#MeshConfig-IngressControllerMode>MeshConfig.IngressControllerMode</a><li role=none aria-label=MeshConfig.AccessLogEncoding><a href=#MeshConfig-AccessLogEncoding>MeshConfig.AccessLogEncoding</a><li role=none aria-label=MeshConfig.H2UpgradePolicy><a href=#MeshConfig-H2UpgradePolicy>MeshConfig.H2UpgradePolicy</a><li role=none aria-label=Resource><a href=#Resource>Resource</a><li role=none aria-label=Tracing.OpenCensusAgent.TraceContext><a href=#Tracing-OpenCensusAgent-TraceContext>Tracing.OpenCensusAgent.TraceContext</a><li role=none aria-label=ProxyConfig.TracingServiceName><a href=#ProxyConfig-TracingServiceName>ProxyConfig.TracingServiceName</a><li role=none aria-label=ProxyConfig.InboundInterceptionMode><a href=#ProxyConfig-InboundInterceptionMode>ProxyConfig.InboundInterceptionMode</a><li role=none aria-label=AuthenticationPolicy><a href=#AuthenticationPolicy>AuthenticationPolicy</a></ol><hr></div></nav><p>Configuration affecting the service mesh as a whole.</p><h2 id=MeshConfig>MeshConfig</h2><section><p>MeshConfig defines mesh-wide settings for the Istio service mesh.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-proxy_listen_port><td><code>proxyListenPort</code></td><td><code>int32</code></td><td><p>Port on which Envoy should listen for incoming connections from
other services. Default port is 15001.</p></td><td>No</td></tr><tr id=MeshConfig-proxy_http_port><td><code>proxyHttpPort</code></td><td><code>int32</code></td><td><p>Port on which Envoy should listen for HTTP PROXY requests if set.</p></td><td>No</td></tr><tr id=MeshConfig-connect_timeout><td><code>connectTimeout</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>Connection timeout used by Envoy. (MUST BE >=1ms)
Default timeout is 10s.</p></td><td>No</td></tr><tr id=MeshConfig-protocol_detection_timeout><td><code>protocolDetectionTimeout</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>Automatic protocol detection uses a set of heuristics to
determine whether the connection is using TLS or not (on the
server side), as well as the application protocol being used
(e.g., http vs tcp). These heuristics rely on the client sending
the first bits of data. For server first protocols like MySQL,
MongoDB, etc. Envoy will timeout on the protocol detection after
the specified period, defaulting to non mTLS plain TCP
traffic. Set this field to tweak the period that Envoy will wait
for the client to send the first bits of data. (MUST BE >=1ms or
0s to disable). Default detection timeout is 0s (no timeout).</p></td><td>No</td></tr><tr id=MeshConfig-tcp_keepalive><td><code>tcpKeepalive</code></td><td><code><a href=/v1.13/docs/reference/config/networking/destination-rule/#ConnectionPoolSettings-TCPSettings-TcpKeepalive>TcpKeepalive</a></code></td><td><p>If set then set <code>SO_KEEPALIVE</code> on the socket to enable TCP Keepalives.</p></td><td>No</td></tr><tr id=MeshConfig-ingress_class><td><code>ingressClass</code></td><td><code>string</code></td><td><p>Class of ingress resources to be processed by Istio ingress
controller. This corresponds to the value of
<code>kubernetes.io/ingress.class</code> annotation.</p></td><td>No</td></tr><tr id=MeshConfig-ingress_service><td><code>ingressService</code></td><td><code>string</code></td><td><p>Name of the Kubernetes service used for the istio ingress controller.
If no ingress controller is specified, the default value <code>istio-ingressgateway</code> is used.</p></td><td>No</td></tr><tr id=MeshConfig-ingress_controller_mode><td><code>ingressControllerMode</code></td><td><code><a href=#MeshConfig-IngressControllerMode>IngressControllerMode</a></code></td><td><p>Defines whether to use Istio ingress controller for annotated or all ingress resources.
Default mode is <code>STRICT</code>.</p></td><td>No</td></tr><tr id=MeshConfig-ingress_selector><td><code>ingressSelector</code></td><td><code>string</code></td><td><p>Defines which gateway deployment to use as the Ingress controller. This field corresponds to
the Gateway.selector field, and will be set as <code>istio: INGRESS_SELECTOR</code>.
By default, <code>ingressgateway</code> is used, which will select the default IngressGateway as it has the
<code>istio: ingressgateway</code> labels.
It is recommended that this is the same value as ingress_service.</p></td><td>No</td></tr><tr id=MeshConfig-enable_tracing><td><code>enableTracing</code></td><td><code>bool</code></td><td><p>Flag to control generation of trace spans and request IDs.
Requires a trace span collector defined in the proxy configuration.</p></td><td>No</td></tr><tr id=MeshConfig-access_log_file><td><code>accessLogFile</code></td><td><code>string</code></td><td><p>File address for the proxy access log (e.g. /dev/stdout).
Empty value disables access logging.</p></td><td>No</td></tr><tr id=MeshConfig-access_log_format><td><code>accessLogFormat</code></td><td><code>string</code></td><td><p>Format for the proxy access log
Empty value results in proxy&rsquo;s default access log format</p></td><td>No</td></tr><tr id=MeshConfig-access_log_encoding><td><code>accessLogEncoding</code></td><td><code><a href=#MeshConfig-AccessLogEncoding>AccessLogEncoding</a></code></td><td><p>Encoding for the proxy access log (<code>TEXT</code> or <code>JSON</code>).
Default value is <code>TEXT</code>.</p></td><td>No</td></tr><tr id=MeshConfig-enable_envoy_access_log_service><td><code>enableEnvoyAccessLogService</code></td><td><code>bool</code></td><td><p>This flag enables Envoy&rsquo;s gRPC Access Log Service.
See <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v2/config/accesslog/v2/als.proto>Access Log Service</a>
for details about Envoy&rsquo;s gRPC Access Log Service API.
Default value is <code>false</code>.</p></td><td>No</td></tr><tr id=MeshConfig-disable_envoy_listener_log><td><code>disableEnvoyListenerLog</code></td><td><code>bool</code></td><td><p>This flag disables Envoy Listener logs.
See <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v3/config/listener/v3/listener.proto#envoy-v3-api-field-config-listener-v3-listener-access-log>Listener Access Log</a>
Istio Enables Envoy&rsquo;s listener access logs on &ldquo;NoRoute&rdquo; response flag.
Default value is <code>false</code>.</p></td><td>No</td></tr><tr id=MeshConfig-default_config><td><code>defaultConfig</code></td><td><code><a href=#ProxyConfig>ProxyConfig</a></code></td><td><p>Default proxy config used by gateway and sidecars.
In case of Kubernetes, the proxy config is applied once during the injection process,
and remain constant for the duration of the pod. The rest of the mesh config can be changed
at runtime and config gets distributed dynamically.
On Kubernetes, this can be overridden on individual pods with the <code>proxy.istio.io/config</code> annotation.</p></td><td>No</td></tr><tr id=MeshConfig-outbound_traffic_policy><td><code>outboundTrafficPolicy</code></td><td><code><a href=#MeshConfig-OutboundTrafficPolicy>OutboundTrafficPolicy</a></code></td><td><p>Set the default behavior of the sidecar for handling outbound
traffic from the application. If your application uses one or
more external services that are not known apriori, setting the
policy to <code>ALLOW_ANY</code> will cause the sidecars to route any unknown
traffic originating from the application to its requested
destination. Users are strongly encouraged to use ServiceEntries
to explicitly declare any external dependencies, instead of using
<code>ALLOW_ANY</code>, so that traffic to these services can be
monitored. Can be overridden at a Sidecar level by setting the
<code>OutboundTrafficPolicy</code> in the <a href=/v1.13/docs/reference/config/networking/sidecar/#OutboundTrafficPolicy>Sidecar
API</a>.
Default mode is <code>ALLOW_ANY</code> which means outbound traffic to unknown destinations will be allowed.</p></td><td>No</td></tr><tr id=MeshConfig-config_sources><td><code>configSources</code></td><td><code><a href=#ConfigSource>ConfigSource[]</a></code></td><td><p>ConfigSource describes a source of configuration data for networking
rules, and other Istio configuration artifacts. Multiple data sources
can be configured for a single control plane.</p></td><td>No</td></tr><tr id=MeshConfig-enable_auto_mtls><td><code>enableAutoMtls</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#boolvalue>BoolValue</a></code></td><td><p>This flag is used to enable mutual <code>TLS</code> automatically for service to service communication
within the mesh, default true.
If set to true, and a given service does not have a corresponding <code>DestinationRule</code> configured,
or its <code>DestinationRule</code> does not have ClientTLSSettings specified, Istio configures client side
TLS configuration appropriately. More specifically,
If the upstream authentication policy is in <code>STRICT</code> mode, use Istio provisioned certificate
for mutual <code>TLS</code> to connect to upstream.
If upstream service is in plain text mode, use plain text.
If the upstream authentication policy is in PERMISSIVE mode, Istio configures clients to use
mutual <code>TLS</code> when server sides are capable of accepting mutual <code>TLS</code> traffic.
If service <code>DestinationRule</code> exists and has <code>ClientTLSSettings</code> specified, that is always used instead.</p></td><td>No</td></tr><tr id=MeshConfig-trust_domain><td><code>trustDomain</code></td><td><code>string</code></td><td><p>The trust domain corresponds to the trust root of a system.
Refer to <a href=https://github.com/spiffe/spiffe/blob/master/standards/SPIFFE-ID.md#21-trust-domain>SPIFFE-ID</a></p></td><td>No</td></tr><tr id=MeshConfig-trust_domain_aliases><td><code>trustDomainAliases</code></td><td><code>string[]</code></td><td><p>The trust domain aliases represent the aliases of <code>trust_domain</code>.
For example, if we have</p><pre><code class=language-yaml>trustDomain: td1
trustDomainAliases: [&quot;td2&quot;, &quot;td3&quot;]
</code></pre><p>Any service with the identity <code>td1/ns/foo/sa/a-service-account</code>, <code>td2/ns/foo/sa/a-service-account</code>,
or <code>td3/ns/foo/sa/a-service-account</code> will be treated the same in the Istio mesh.</p></td><td>No</td></tr><tr id=MeshConfig-ca_certificates><td><code>caCertificates</code></td><td><code><a href=#MeshConfig-CertificateData>CertificateData[]</a></code></td><td><p>The extra root certificates for workload-to-workload communication.
The plugin certificates (the &lsquo;cacerts&rsquo; secret) or self-signed certificates (the &lsquo;istio-ca-secret&rsquo; secret)
are automatically added by Istiod.
The CA certificate that signs the workload certificates is automatically added by Istio Agent.</p></td><td>No</td></tr><tr id=MeshConfig-default_service_export_to><td><code>defaultServiceExportTo</code></td><td><code>string[]</code></td><td><p>The default value for the ServiceEntry.export_to field and services
imported through container registry integrations, e.g. this applies to
Kubernetes Service resources. The value is a list of namespace names and
reserved namespace aliases. The allowed namespace aliases are:</p><pre><code>* - All Namespaces
. - Current Namespace
~ - No Namespace
</code></pre><p>If not set the system will use &ldquo;*&rdquo; as the default value which implies that
services are exported to all namespaces.</p><p><code>All namespaces</code> is a reasonable default for implementations that don&rsquo;t
need to restrict access or visibility of services across namespace
boundaries. If that requirement is present it is generally good practice to
make the default <code>Current namespace</code> so that services are only visible
within their own namespaces by default. Operators can then expand the
visibility of services to other namespaces as needed. Use of <code>No Namespace</code>
is expected to be rare but can have utility for deployments where
dependency management needs to be precise even within the scope of a single
namespace.</p><p>For further discussion see the reference documentation for <code>ServiceEntry</code>,
<code>Sidecar</code>, and <code>Gateway</code>.</p></td><td>No</td></tr><tr id=MeshConfig-default_virtual_service_export_to><td><code>defaultVirtualServiceExportTo</code></td><td><code>string[]</code></td><td><p>The default value for the VirtualService.export_to field. Has the same
syntax as <code>default_service_export_to</code>.</p><p>If not set the system will use &ldquo;*&rdquo; as the default value which implies that
virtual services are exported to all namespaces</p></td><td>No</td></tr><tr id=MeshConfig-default_destination_rule_export_to><td><code>defaultDestinationRuleExportTo</code></td><td><code>string[]</code></td><td><p>The default value for the <code>DestinationRule.export_to</code> field. Has the same
syntax as <code>default_service_export_to</code>.</p><p>If not set the system will use &ldquo;*&rdquo; as the default value which implies that
destination rules are exported to all namespaces</p></td><td>No</td></tr><tr id=MeshConfig-root_namespace><td><code>rootNamespace</code></td><td><code>string</code></td><td><p>The namespace to treat as the administrative root namespace for
Istio configuration. When processing a leaf namespace Istio will search for
declarations in that namespace first and if none are found it will
search in the root namespace. Any matching declaration found in the root
namespace is processed as if it were declared in the leaf namespace.</p><p>The precise semantics of this processing are documented on each resource
type.</p></td><td>No</td></tr><tr id=MeshConfig-locality_lb_setting><td><code>localityLbSetting</code></td><td><code><a href=/v1.13/docs/reference/config/networking/destination-rule/#LocalityLoadBalancerSetting>LocalityLoadBalancerSetting</a></code></td><td><p>Locality based load balancing distribution or failover settings.</p></td><td>No</td></tr><tr id=MeshConfig-dns_refresh_rate><td><code>dnsRefreshRate</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>Configures DNS refresh rate for Envoy clusters of type <code>STRICT_DNS</code>
Default refresh rate is <code>5s</code>.</p></td><td>No</td></tr><tr id=MeshConfig-h2_upgrade_policy><td><code>h2UpgradePolicy</code></td><td><code><a href=#MeshConfig-H2UpgradePolicy>H2UpgradePolicy</a></code></td><td><p>Specify if http1.1 connections should be upgraded to http2 by default.
if sidecar is installed on all pods in the mesh, then this should be set to <code>UPGRADE</code>.
If one or more services or namespaces do not have sidecar(s), then this should be set to <code>DO_NOT_UPGRADE</code>.
It can be enabled by destination using the <code>destinationRule.trafficPolicy.connectionPool.http.h2UpgradePolicy</code> override.</p></td><td>No</td></tr><tr id=MeshConfig-inbound_cluster_stat_name><td><code>inboundClusterStatName</code></td><td><code>string</code></td><td><p>Name to be used while emitting statistics for inbound clusters. The same pattern is used while computing stat prefix for
network filters like TCP and Redis.
By default, Istio emits statistics with the pattern <code>inbound|&lt;port>|&lt;port-name>|&lt;service-FQDN></code>.
For example <code>inbound|7443|grpc-reviews|reviews.prod.svc.cluster.local</code>. This can be used to override that pattern.</p><p>A Pattern can be composed of various pre-defined variables. The following variables are supported.</p><ul><li><code>%SERVICE%</code> - Will be substituted with name of the service.</li><li><code>%SERVICE_FQDN%</code> - Will be substituted with FQDN of the service.</li><li><code>%SERVICE_PORT%</code> - Will be substituted with port of the service.</li><li><code>%SERVICE_PORT_NAME%</code> - Will be substituted with port name of the service.</li></ul><p>Following are some examples of supported patterns for reviews:</p><ul><li><code>%SERVICE_FQDN%_%SERVICE_PORT%</code> will use reviews.prod.svc.cluster.local_7443 as the stats name.</li><li><code>%SERVICE%</code> will use reviews.prod as the stats name.</li></ul></td><td>No</td></tr><tr id=MeshConfig-outbound_cluster_stat_name><td><code>outboundClusterStatName</code></td><td><code>string</code></td><td><p>Name to be used while emitting statistics for outbound clusters. The same pattern is used while computing stat prefix for
network filters like TCP and Redis.
By default, Istio emits statistics with the pattern <code>outbound|&lt;port>|&lt;subsetname>|&lt;service-FQDN></code>.
For example <code>outbound|8080|v2|reviews.prod.svc.cluster.local</code>. This can be used to override that pattern.</p><p>A Pattern can be composed of various pre-defined variables. The following variables are supported.</p><ul><li><code>%SERVICE%</code> - Will be substituted with name of the service.</li><li><code>%SERVICE_FQDN%</code> - Will be substituted with FQDN of the service.</li><li><code>%SERVICE_PORT%</code> - Will be substituted with port of the service.</li><li><code>%SERVICE_PORT_NAME%</code> - Will be substituted with port name of the service.</li><li><code>%SUBSET_NAME%</code> - Will be substituted with subset.</li></ul><p>Following are some examples of supported patterns for reviews:</p><ul><li><code>%SERVICE_FQDN%_%SERVICE_PORT%</code> will use <code>reviews.prod.svc.cluster.local_7443</code> as the stats name.</li><li><code>%SERVICE%</code> will use reviews.prod as the stats name.</li></ul></td><td>No</td></tr><tr id=MeshConfig-certificates><td><code>certificates</code></td><td><code><a href=#Certificate>Certificate[]</a></code></td><td><p>Configure the provision of certificates.</p></td><td>No</td></tr><tr id=MeshConfig-thrift_config><td><code>thriftConfig</code></td><td><code><a href=#MeshConfig-ThriftConfig>ThriftConfig</a></code></td><td><p>Set configuration for Thrift protocol</p></td><td>No</td></tr><tr id=MeshConfig-enable_prometheus_merge><td><code>enablePrometheusMerge</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#boolvalue>BoolValue</a></code></td><td><p>If enabled, Istio agent will merge metrics exposed by the application with metrics from Envoy
and Istio agent. The sidecar injection will replace <code>prometheus.io</code> annotations present on the pod
and redirect them towards Istio agent, which will then merge metrics of from the application with Istio metrics.
This relies on the annotations <code>prometheus.io/scrape</code>, <code>prometheus.io/port</code>, and
<code>prometheus.io/path</code> annotations.
If you are running a separately managed Envoy with an Istio sidecar, this may cause issues, as the metrics will collide.
In this case, it is recommended to disable aggregation on that deployment with the
<code>prometheus.istio.io/merge-metrics: "false"</code> annotation.
If not specified, this will be enabled by default.</p></td><td>No</td></tr><tr id=MeshConfig-extension_providers><td><code>extensionProviders</code></td><td><code><a href=#MeshConfig-ExtensionProvider>ExtensionProvider[]</a></code></td><td><p>Defines a list of extension providers that extend Istio&rsquo;s functionality. For example, the AuthorizationPolicy
can be used with an extension provider to delegate the authorization decision to a custom authorization system.</p></td><td>No</td></tr><tr id=MeshConfig-default_providers><td><code>defaultProviders</code></td><td><code><a href=#MeshConfig-DefaultProviders>DefaultProviders</a></code></td><td><p>Specifies extension providers to use by default in Istio configuration resources.</p></td><td>No</td></tr><tr id=MeshConfig-discovery_selectors><td><code>discoverySelectors</code></td><td><code><a href=#k8s-io-apimachinery-pkg-apis-meta-v1-LabelSelector>LabelSelector[]</a></code></td><td><p>A list of Kubernetes selectors that specify the set of namespaces that Istio considers when
computing configuration updates for sidecars. This can be used to reduce Istio&rsquo;s computational load
by limiting the number of entities (including services, pods, and endpoints) that are watched and processed.
If omitted, Istio will use the default behavior of processing all namespaces in the cluster.
Elements in the list are disjunctive (OR semantics), i.e. a namespace will be included if it matches any selector.
The following example selects any namespace that matches either below:
1. The namespace has both of these labels: <code>env: prod</code> and <code>region: us-east1</code>
2. The namespace has label <code>app</code> equal to <code>cassandra</code> or <code>spark</code>.</p><pre><code class=language-yaml>discoverySelectors:
- matchLabels:
env: prod
region: us-east1
- matchExpressions:
- key: app
operator: In
values:
- cassandra
- spark
</code></pre><p>Refer to the <a href=https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors>kubernetes selector docs</a>
for additional detail on selector semantics.</p></td><td>No</td></tr><tr id=MeshConfig-path_normalization><td><code>pathNormalization</code></td><td><code><a href=#MeshConfig-ProxyPathNormalization>ProxyPathNormalization</a></code></td><td><p>ProxyPathNormalization configures how URL paths in incoming and outgoing HTTP requests are
normalized by the sidecars and gateways.
The normalized paths will be used in all aspects through the requests&rsquo; lifetime on the
sidecars and gateways, which includes routing decisions in outbound direction (client proxy),
authorization policy match and enforcement in inbound direction (server proxy), and the URL
path proxied to the upstream service.
If not set, the NormalizationType.DEFAULT configuration will be used.</p></td><td>No</td></tr><tr id=MeshConfig-default_http_retry_policy><td><code>defaultHttpRetryPolicy</code></td><td><code><a href=/v1.13/docs/reference/config/networking/virtual-service/#HTTPRetry>HTTPRetry</a></code></td><td><p>Configure the default HTTP retry policy.
The default number of retry attempts is set at 2 for these errors:
&ldquo;connect-failure,refused-stream,unavailable,cancelled,retriable-status-codes&rdquo;.
Setting the number of attempts to 0 disables retry policy globally.
This setting can be overriden on a per-host basis using the Virtual Service
API.
All settings in the retry policy except <code>perTryTimeout</code> can currently be
configured globally via this field.</p></td><td>No</td></tr></tbody></table></section><h2 id=ConfigSource>ConfigSource</h2><section><p>ConfigSource describes information about a configuration store inside a
mesh. A single control plane instance can interact with one or more data
sources.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=ConfigSource-address><td><code>address</code></td><td><code>string</code></td><td><p>Address of the server implementing the Istio Mesh Configuration
protocol (MCP). Can be IP address or a fully qualified DNS name.
Use fs:/// to specify a file-based backend with absolute path to the directory.</p></td><td>No</td></tr><tr id=ConfigSource-tls_settings><td><code>tlsSettings</code></td><td><code><a href=/v1.13/docs/reference/config/networking/destination-rule/#ClientTLSSettings>ClientTLSSettings</a></code></td><td><p>Use the tls_settings to specify the tls mode to use. If the MCP server
uses Istio mutual TLS and shares the root CA with Pilot, specify the TLS
mode as <code>ISTIO_MUTUAL</code>.</p></td><td>No</td></tr><tr id=ConfigSource-subscribed_resources><td><code>subscribedResources</code></td><td><code><a href=#Resource>Resource[]</a></code></td><td><p>Describes the source of configuration, if nothing is specified default is MCP</p></td><td>No</td></tr></tbody></table></section><h2 id=Certificate>Certificate</h2><section><p>Certificate configures the provision of a certificate and its key.
Example 1: key and cert stored in a secret</p><pre><code>{ secretName: galley-cert
secretNamespace: istio-system
dnsNames:
- galley.istio-system.svc
- galley.mydomain.com
}
</code></pre><p>Example 2: key and cert stored in a directory</p><pre><code>{ dnsNames:
- pilot.istio-system
- pilot.istio-system.svc
- pilot.mydomain.com
}
</code></pre><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=Certificate-secret_name><td><code>secretName</code></td><td><code>string</code></td><td><p>Name of the secret the certificate and its key will be stored into.
If it is empty, it will not be stored into a secret.
Instead, the certificate and its key will be stored into a hard-coded directory.</p></td><td>No</td></tr><tr id=Certificate-dns_names><td><code>dnsNames</code></td><td><code>string[]</code></td><td><p>The DNS names for the certificate. A certificate may contain
multiple DNS names.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-OutboundTrafficPolicy>MeshConfig.OutboundTrafficPolicy</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-OutboundTrafficPolicy-mode><td><code>mode</code></td><td><code><a href=#MeshConfig-OutboundTrafficPolicy-Mode>Mode</a></code></td><td></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-CertificateData>MeshConfig.CertificateData</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-CertificateData-pem class="oneof oneof-start"><td><code>pem</code></td><td><code>string (oneof)</code></td><td><p>The PEM data of the certificate.</p></td><td>No</td></tr><tr id=MeshConfig-CertificateData-spiffe_bundle_url class=oneof><td><code>spiffeBundleUrl</code></td><td><code>string (oneof)</code></td><td><p>The SPIFFE bundle endpoint URL that complies to:
https://github.com/spiffe/spiffe/blob/master/standards/SPIFFE<em>Trust</em>Domain<em>and</em>Bundle.md#the-spiffe-trust-domain-and-bundle
The endpoint should support authentication based on Web PKI:
https://github.com/spiffe/spiffe/blob/master/standards/SPIFFE<em>Trust</em>Domain<em>and</em>Bundle.md#521-web-pki
The certificate is retrieved from the endpoint.</p></td><td>No</td></tr><tr id=MeshConfig-CertificateData-cert_signers><td><code>certSigners</code></td><td><code>string[]</code></td><td><p>Optional. Specify the kubernetes signers (External CA) that use this trustAnchor
when Istiod is acting as RA(registration authority)
If set, they are used for these signers. Otherwise, this trustAnchor is used for all signers.</p></td><td>No</td></tr><tr id=MeshConfig-CertificateData-trust_domains><td><code>trustDomains</code></td><td><code>string[]</code></td><td><p>Optional. Specify the list of trust domains to which this trustAnchor data belongs.
If set, they are used for these trust domains. Otherwise, this trustAnchor is used for default trust domain
and its aliases.
Note that we can have multiple trustAnchor data for a same trust<em>domain.
In that case, trustAnchors with a same trust domain will be merged and used together to verify peer certificates.
If neither cert</em>signers nor trust<em>domains is set, this trustAnchor is used for all trust domains and all signers.
If only trust</em>domains is set, this trustAnchor is used for these trust<em>domains and all signers.
If only cert</em>signers is set, this trustAnchor is used for these cert<em>signers and all trust domains.
If both cert</em>signers and trust_domains is set, this trustAnchor is only used for these signers and trust domains.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ThriftConfig>MeshConfig.ThriftConfig</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ThriftConfig-rate_limit_url><td><code>rateLimitUrl</code></td><td><code>string</code></td><td><p>Specify thrift rate limit service URL. If pilot has thrift protocol support enabled,
this will enable the rate limit service for destinations that have matching rate
limit configurations.</p></td><td>No</td></tr><tr id=MeshConfig-ThriftConfig-rate_limit_timeout><td><code>rateLimitTimeout</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>Specify thrift rate limit service timeout, in milliseconds. Default is <code>50ms</code></p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-CA>MeshConfig.CA</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-CA-address><td><code>address</code></td><td><code>string</code></td><td><p>REQUIRED. Address of the CA server implementing the Istio CA gRPC API.
Can be IP address or a fully qualified DNS name with port
Eg: custom-ca.default.svc.cluster.local:8932, 192.168.23.2:9000</p></td><td>No</td></tr><tr id=MeshConfig-CA-tls_settings><td><code>tlsSettings</code></td><td><code><a href=/v1.13/docs/reference/config/networking/destination-rule/#ClientTLSSettings>ClientTLSSettings</a></code></td><td><p>Use the tls<em>settings to specify the tls mode to use.
Regarding tls</em>settings:
- DISABLE MODE is legitimate for the case Istiod is making the request via an Envoy sidecar.
DISABLE MODE can also be used for testing
- TLS MUTUAL MODE be on by default. If the CA certificates
(cert bundle to verify the CA server&rsquo;s certificate) is omitted, Istiod will
use the system root certs to verify the CA server&rsquo;s certificate.</p></td><td>No</td></tr><tr id=MeshConfig-CA-request_timeout><td><code>requestTimeout</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>timeout for forward CSR requests from Istiod to External CA
Default: 10s</p></td><td>No</td></tr><tr id=MeshConfig-CA-istiod_side><td><code>istiodSide</code></td><td><code>bool</code></td><td><p>Use istiod_side to specify CA Server integrate to Istiod side or Agent side
Default: true</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider>MeshConfig.ExtensionProvider</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-name><td><code>name</code></td><td><code>string</code></td><td><p>REQUIRED. A unique name identifying the extension provider.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-envoy_ext_authz_http class="oneof oneof-start"><td><code>envoyExtAuthzHttp</code></td><td><code><a href=#MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider>EnvoyExternalAuthorizationHttpProvider (oneof)</a></code></td><td><p>Configures an external authorizer that implements the Envoy ext_authz filter authorization check service using the HTTP API.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-envoy_ext_authz_grpc class=oneof><td><code>envoyExtAuthzGrpc</code></td><td><code><a href=#MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationGrpcProvider>EnvoyExternalAuthorizationGrpcProvider (oneof)</a></code></td><td><p>Configures an external authorizer that implements the Envoy ext_authz filter authorization check service using the gRPC API.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-zipkin class=oneof><td><code>zipkin</code></td><td><code><a href=#MeshConfig-ExtensionProvider-ZipkinTracingProvider>ZipkinTracingProvider (oneof)</a></code></td><td><p>Configures a tracing provider that uses the Zipkin API.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-lightstep class=oneof><td><code>lightstep</code></td><td><code><a href=#MeshConfig-ExtensionProvider-LightstepTracingProvider>LightstepTracingProvider (oneof)</a></code></td><td><p>Configures a Lightstep tracing provider.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-datadog class=oneof><td><code>datadog</code></td><td><code><a href=#MeshConfig-ExtensionProvider-DatadogTracingProvider>DatadogTracingProvider (oneof)</a></code></td><td><p>Configures a Datadog tracing provider.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-stackdriver class=oneof><td><code>stackdriver</code></td><td><code><a href=#MeshConfig-ExtensionProvider-StackdriverProvider>StackdriverProvider (oneof)</a></code></td><td><p>Configures a Stackdriver provider.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-opencensus class=oneof><td><code>opencensus</code></td><td><code><a href=#MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider>OpenCensusAgentTracingProvider (oneof)</a></code></td><td><p>Configures an OpenCensusAgent tracing provider.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-skywalking class=oneof><td><code>skywalking</code></td><td><code><a href=#MeshConfig-ExtensionProvider-SkyWalkingTracingProvider>SkyWalkingTracingProvider (oneof)</a></code></td><td><p>Configures a Apache SkyWalking provider.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-prometheus class=oneof><td><code>prometheus</code></td><td><code><a href=#MeshConfig-ExtensionProvider-PrometheusMetricsProvider>PrometheusMetricsProvider (oneof)</a></code></td><td><p>Configures a Prometheus metrics provider.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-envoy_file_access_log class=oneof><td><code>envoyFileAccessLog</code></td><td><code><a href=#MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider>EnvoyFileAccessLogProvider (oneof)</a></code></td><td><p>Configures an Envoy File Access Log provider.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-envoy_http_als class=oneof><td><code>envoyHttpAls</code></td><td><code><a href=#MeshConfig-ExtensionProvider-EnvoyHttpGrpcV3LogProvider>EnvoyHttpGrpcV3LogProvider (oneof)</a></code></td><td><p>Configures an Envoy Access Logging Service provider for HTTP traffic.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-envoy_tcp_als class=oneof><td><code>envoyTcpAls</code></td><td><code><a href=#MeshConfig-ExtensionProvider-EnvoyTcpGrpcV3LogProvider>EnvoyTcpGrpcV3LogProvider (oneof)</a></code></td><td><p>Configures an Envoy Access Logging Service provider for TCP traffic.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-envoy_otel_als class=oneof><td><code>envoyOtelAls</code></td><td><code><a href=#MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider>EnvoyOpenTelemetryLogProvider (oneof)</a></code></td><td><p>Configures an Envoy Open Telemetry Access Logging Service provider.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-DefaultProviders>MeshConfig.DefaultProviders</h2><section><p>Holds the name references to the providers that will be used by default
in other Istio configuration resources if the provider is not specified.</p><p>These names must match a provider defined in <code>extension_providers</code> that is
one of the supported tracing providers.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-DefaultProviders-tracing><td><code>tracing</code></td><td><code>string[]</code></td><td><p>Name of the default provider(s) for tracing.</p></td><td>No</td></tr><tr id=MeshConfig-DefaultProviders-metrics><td><code>metrics</code></td><td><code>string[]</code></td><td><p>Name of the default provider(s) for metrics.</p></td><td>No</td></tr><tr id=MeshConfig-DefaultProviders-access_logging><td><code>accessLogging</code></td><td><code>string[]</code></td><td><p>Name of the default provider(s) for access logging.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ProxyPathNormalization>MeshConfig.ProxyPathNormalization</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ProxyPathNormalization-normalization><td><code>normalization</code></td><td><code><a href=#MeshConfig-ProxyPathNormalization-NormalizationType>NormalizationType</a></code></td><td></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ServiceSettings-Settings>MeshConfig.ServiceSettings.Settings</h2><section><p>Settings for the selected services.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ServiceSettings-Settings-cluster_local><td><code>clusterLocal</code></td><td><code>bool</code></td><td><p>If true, specifies that the client and service endpoints must reside in the same cluster.
By default, in multi-cluster deployments, the Istio control plane assumes all service
endpoints to be reachable from any client in any of the clusters which are part of the
mesh. This configuration option limits the set of service endpoints visible to a client
to be cluster scoped.</p><p>There are some common scenarios when this can be useful:</p><ul><li>A service (or group of services) is inherently local to the cluster and has local storage
for that cluster. For example, the kube-system namespace (e.g. the Kube API Server).</li><li>A mesh administrator wants to slowly migrate services to Istio. They might start by first
having services cluster-local and then slowly transition them to mesh-wide. They could do
this service-by-service (e.g. mysvc.myns.svc.cluster.local) or as a group
(e.g. *.myns.svc.cluster.local).</li></ul><p>By default Istio will consider kubernetes.default.svc (i.e. the API Server) as well as all
services in the kube-system namespace to be cluster-local, unless explicitly overridden here.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationRequestBody>MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationRequestBody</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationRequestBody-max_request_bytes><td><code>maxRequestBytes</code></td><td><code>uint32</code></td><td><p>Sets the maximum size of a message body that the ext-authz filter will hold in memory.
If max<em>request</em>bytes is reached, and allow<em>partial</em>message is false, Envoy will return a 413 (Payload Too Large).
Otherwise the request will be sent to the provider with a partial message.
Note that this setting will have precedence over the fail<em>open field, the 413 will be returned even when the
fail</em>open is set to true.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationRequestBody-allow_partial_message><td><code>allowPartialMessage</code></td><td><code>bool</code></td><td><p>When this field is true, ext-authz filter will buffer the message until max<em>request</em>bytes is reached.
The authorization request will be dispatched and no 413 HTTP error will be returned by the filter.
A &ldquo;x-envoy-auth-partial-body: false|true&rdquo; metadata header will be added to the authorization request message
indicating if the body data is partial.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationRequestBody-pack_as_bytes><td><code>packAsBytes</code></td><td><code>bool</code></td><td><p>If true, the body sent to the external authorization service in the gRPC authorization request is set with raw bytes
in the raw<em>body field (https://github.com/envoyproxy/envoy/blame/cffb095d59d7935abda12b9509bcd136808367bb/api/envoy/service/auth/v3/attribute</em>context.proto#L153).
Otherwise, it will be filled with UTF-8 string in the body field (https://github.com/envoyproxy/envoy/blame/cffb095d59d7935abda12b9509bcd136808367bb/api/envoy/service/auth/v3/attribute<em>context.proto#L147).
This field only works with the envoy</em>ext<em>authz</em>grpc provider and has no effect for the envoy<em>ext</em>authz_http provider.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider>MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationHttpProvider</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-service><td><code>service</code></td><td><code>string</code></td><td><p>REQUIRED. Specifies the service that implements the Envoy ext_authz HTTP authorization service.
The format is <code>[&lt;Namespace>/]&lt;Hostname></code>. The specification of <code>&lt;Namespace></code> is required only when it is insufficient
to unambiguously resolve a service in the service registry. The <code>&lt;Hostname></code> is a fully qualified host name of a
service defined by the Kubernetes service or ServiceEntry.</p><p>Example: &ldquo;my-ext-authz.foo.svc.cluster.local&rdquo; or &ldquo;bar/my-ext-authz.example.com&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-port><td><code>port</code></td><td><code>uint32</code></td><td><p>REQUIRED. Specifies the port of the service.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-timeout><td><code>timeout</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>The maximum duration that the proxy will wait for a response from the provider (default timeout: 600s).
When this timeout condition is met, the proxy marks the communication to the authorization service as failure.
In this situation, the response sent back to the client will depend on the configured <code>fail_open</code> field.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-path_prefix><td><code>pathPrefix</code></td><td><code>string</code></td><td><p>Sets a prefix to the value of authorization request header <em>Path</em>.
For example, setting this to &ldquo;/check&rdquo; for an original user request at path &ldquo;/admin&rdquo; will cause the
authorization check request to be sent to the authorization service at the path &ldquo;/check/admin&rdquo; instead of &ldquo;/admin&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-fail_open><td><code>failOpen</code></td><td><code>bool</code></td><td><p>If true, the user request will be allowed even if the communication with the authorization service has failed,
or if the authorization service has returned a HTTP 5xx error.
Default is false and the request will be rejected with &ldquo;Forbidden&rdquo; response.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-status_on_error><td><code>statusOnError</code></td><td><code>string</code></td><td><p>Sets the HTTP status that is returned to the client when there is a network error to the authorization service.
The default status is &ldquo;403&rdquo; (HTTP Forbidden).</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-include_headers_in_check><td><code>includeHeadersInCheck</code></td><td><code>string[]</code></td><td><p>DEPRECATED. Use include<em>request</em>headers<em>in</em>check instead.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-include_request_headers_in_check><td><code>includeRequestHeadersInCheck</code></td><td><code>string[]</code></td><td><p>List of client request headers that should be included in the authorization request sent to the authorization service.
Note that in addition to the headers specified here following headers are included by default:
1. <em>Host</em>, <em>Method</em>, <em>Path</em> and <em>Content-Length</em> are automatically sent.
2. <em>Content-Length</em> will be set to 0 and the request will not have a message body. However, the authorization
request can include the buffered client request body (controlled by include<em>request</em>body<em>in</em>check setting),
consequently the value of Content-Length of the authorization request reflects the size of its payload size.</p><p>Exact, prefix and suffix matches are supported (similar to the authorization policy rule syntax except the presence match
https://istio.io/latest/docs/reference/config/security/authorization-policy/#Rule):
- Exact match: &ldquo;abc&rdquo; will match on value &ldquo;abc&rdquo;.
- Prefix match: &ldquo;abc<em>&rdquo; will match on value &ldquo;abc&rdquo; and &ldquo;abcd&rdquo;.
- Suffix match: &ldquo;</em>abc&rdquo; will match on value &ldquo;abc&rdquo; and &ldquo;xabc&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-include_additional_headers_in_check><td><code>includeAdditionalHeadersInCheck</code></td><td><code>map&lt;string,&nbsp;string></code></td><td><p>Set of additional fixed headers that should be included in the authorization request sent to the authorization service.
Key is the header name and value is the header value.
Note that client request of the same key or headers specified in include<em>request</em>headers<em>in</em>check will be overridden.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-include_request_body_in_check><td><code>includeRequestBodyInCheck</code></td><td><code><a href=#MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationRequestBody>EnvoyExternalAuthorizationRequestBody</a></code></td><td><p>If set, the client request body will be included in the authorization request sent to the authorization service.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-headers_to_upstream_on_allow><td><code>headersToUpstreamOnAllow</code></td><td><code>string[]</code></td><td><p>List of headers from the authorization service that should be added or overridden in the original request and
forwarded to the upstream when the authorization check result is allowed (HTTP code 200).
If not specified, the original request will not be modified and forwarded to backend as-is.
Note, any existing headers will be overridden.</p><p>Exact, prefix and suffix matches are supported (similar to the authorization policy rule syntax except the presence match
https://istio.io/latest/docs/reference/config/security/authorization-policy/#Rule):
- Exact match: &ldquo;abc&rdquo; will match on value &ldquo;abc&rdquo;.
- Prefix match: &ldquo;abc<em>&rdquo; will match on value &ldquo;abc&rdquo; and &ldquo;abcd&rdquo;.
- Suffix match: &ldquo;</em>abc&rdquo; will match on value &ldquo;abc&rdquo; and &ldquo;xabc&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider-headers_to_downstream_on_deny><td><code>headersToDownstreamOnDeny</code></td><td><code>string[]</code></td><td><p>List of headers from the authorization service that should be forwarded to downstream when the authorization
check result is not allowed (HTTP code other than 200).
If not specified, all the authorization response headers, except <em>Authority (Host)</em> will be in the response to
the downstream.
When a header is included in this list, <em>Path</em>, <em>Status</em>, <em>Content-Length</em>, <em>WWWAuthenticate</em> and <em>Location</em> are
automatically added.
Note, the body from the authorization service is always included in the response to downstream.</p><p>Exact, prefix and suffix matches are supported (similar to the authorization policy rule syntax except the presence match
https://istio.io/latest/docs/reference/config/security/authorization-policy/#Rule):
- Exact match: &ldquo;abc&rdquo; will match on value &ldquo;abc&rdquo;.
- Prefix match: &ldquo;abc<em>&rdquo; will match on value &ldquo;abc&rdquo; and &ldquo;abcd&rdquo;.
- Suffix match: &ldquo;</em>abc&rdquo; will match on value &ldquo;abc&rdquo; and &ldquo;xabc&rdquo;.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationGrpcProvider>MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationGrpcProvider</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationGrpcProvider-service><td><code>service</code></td><td><code>string</code></td><td><p>REQUIRED. Specifies the service that implements the Envoy ext_authz gRPC authorization service.
The format is <code>[&lt;Namespace>/]&lt;Hostname></code>. The specification of <code>&lt;Namespace></code> is required only when it is insufficient
to unambiguously resolve a service in the service registry. The <code>&lt;Hostname></code> is a fully qualified host name of a
service defined by the Kubernetes service or ServiceEntry.</p><p>Example: &ldquo;my-ext-authz.foo.svc.cluster.local&rdquo; or &ldquo;bar/my-ext-authz.example.com&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationGrpcProvider-port><td><code>port</code></td><td><code>uint32</code></td><td><p>REQUIRED. Specifies the port of the service.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationGrpcProvider-timeout><td><code>timeout</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>The maximum duration that the proxy will wait for a response from the provider, this is the timeout for a specific request (default timeout: 600s).
When this timeout condition is met, the proxy marks the communication to the authorization service as failure.
In this situation, the response sent back to the client will depend on the configured <code>fail_open</code> field.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationGrpcProvider-fail_open><td><code>failOpen</code></td><td><code>bool</code></td><td><p>If true, the HTTP request or TCP connection will be allowed even if the communication with the authorization service has failed,
or if the authorization service has returned a HTTP 5xx error.
Default is false. For HTTP request, it will be rejected with 403 (HTTP Forbidden). For TCP connection, it will be closed immediately.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationGrpcProvider-status_on_error><td><code>statusOnError</code></td><td><code>string</code></td><td><p>Sets the HTTP status that is returned to the client when there is a network error to the authorization service.
The default status is &ldquo;403&rdquo; (HTTP Forbidden).</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationGrpcProvider-include_request_body_in_check><td><code>includeRequestBodyInCheck</code></td><td><code><a href=#MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationRequestBody>EnvoyExternalAuthorizationRequestBody</a></code></td><td><p>If set, the client request body will be included in the authorization request sent to the authorization service.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-ZipkinTracingProvider>MeshConfig.ExtensionProvider.ZipkinTracingProvider</h2><section><p>Defines configuration for a Zipkin tracer.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-ZipkinTracingProvider-service><td><code>service</code></td><td><code>string</code></td><td><p>REQUIRED. Specifies the service that the Zipkin API.
The format is <code>[&lt;Namespace>/]&lt;Hostname></code>. The specification of <code>&lt;Namespace></code> is required only when it is insufficient
to unambiguously resolve a service in the service registry. The <code>&lt;Hostname></code> is a fully qualified host name of a
service defined by the Kubernetes service or ServiceEntry.</p><p>Example: &ldquo;zipkin.default.svc.cluster.local&rdquo; or &ldquo;bar/zipkin.example.com&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-ZipkinTracingProvider-port><td><code>port</code></td><td><code>uint32</code></td><td><p>REQUIRED. Specifies the port of the service.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-ZipkinTracingProvider-max_tag_length><td><code>maxTagLength</code></td><td><code>uint32</code></td><td><p>Optional. Controls the overall path length allowed in a reported span.
NOTE: currently only controls max length of the path tag.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-LightstepTracingProvider>MeshConfig.ExtensionProvider.LightstepTracingProvider</h2><section><p>Defines configuration for a Lightstep tracer.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-LightstepTracingProvider-service><td><code>service</code></td><td><code>string</code></td><td><p>REQUIRED. Specifies the service for the Lightstep collector.
The format is <code>[&lt;Namespace>/]&lt;Hostname></code>. The specification of <code>&lt;Namespace></code> is required only when it is insufficient
to unambiguously resolve a service in the service registry. The <code>&lt;Hostname></code> is a fully qualified host name of a
service defined by the Kubernetes service or ServiceEntry.</p><p>Example: &ldquo;lightstep.default.svc.cluster.local&rdquo; or &ldquo;bar/lightstep.example.com&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-LightstepTracingProvider-port><td><code>port</code></td><td><code>uint32</code></td><td><p>REQUIRED. Specifies the port of the service.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-LightstepTracingProvider-access_token><td><code>accessToken</code></td><td><code>string</code></td><td><p>The Lightstep access token.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-LightstepTracingProvider-max_tag_length><td><code>maxTagLength</code></td><td><code>uint32</code></td><td><p>Optional. Controls the overall path length allowed in a reported span.
NOTE: currently only controls max length of the path tag.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-DatadogTracingProvider>MeshConfig.ExtensionProvider.DatadogTracingProvider</h2><section><p>Defines configuration for a Datadog tracer.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-DatadogTracingProvider-service><td><code>service</code></td><td><code>string</code></td><td><p>REQUIRED. Specifies the service for the Datadog agent.
The format is <code>[&lt;Namespace>/]&lt;Hostname></code>. The specification of <code>&lt;Namespace></code> is required only when it is insufficient
to unambiguously resolve a service in the service registry. The <code>&lt;Hostname></code> is a fully qualified host name of a
service defined by the Kubernetes service or ServiceEntry.</p><p>Example: &ldquo;datadog.default.svc.cluster.local&rdquo; or &ldquo;bar/datadog.example.com&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-DatadogTracingProvider-port><td><code>port</code></td><td><code>uint32</code></td><td><p>REQUIRED. Specifies the port of the service.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-DatadogTracingProvider-max_tag_length><td><code>maxTagLength</code></td><td><code>uint32</code></td><td><p>Optional. Controls the overall path length allowed in a reported span.
NOTE: currently only controls max length of the path tag.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-SkyWalkingTracingProvider>MeshConfig.ExtensionProvider.SkyWalkingTracingProvider</h2><section><p>Defines configuration for a SkyWalking tracer.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-SkyWalkingTracingProvider-service><td><code>service</code></td><td><code>string</code></td><td><p>REQUIRED. Specifies the service for the SkyWalking receiver.
The format is <code>[&lt;Namespace>/]&lt;Hostname></code>. The specification of <code>&lt;Namespace></code> is required only when it is insufficient
to unambiguously resolve a service in the service registry. The <code>&lt;Hostname></code> is a fully qualified host name of a
service defined by the Kubernetes service or ServiceEntry.</p><p>Example: &ldquo;skywalking.default.svc.cluster.local&rdquo; or &ldquo;bar/skywalking.example.com&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-SkyWalkingTracingProvider-port><td><code>port</code></td><td><code>uint32</code></td><td><p>REQUIRED. Specifies the port of the service.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-SkyWalkingTracingProvider-access_token><td><code>accessToken</code></td><td><code>string</code></td><td><p>Optional. The SkyWalking OAP access token.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-StackdriverProvider>MeshConfig.ExtensionProvider.StackdriverProvider</h2><section><p>Defines configuration for Stackdriver.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-StackdriverProvider-max_tag_length><td><code>maxTagLength</code></td><td><code>uint32</code></td><td><p>Optional. Controls the overall path length allowed in a reported span.
NOTE: currently only controls max length of the path tag.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-StackdriverProvider-logging><td><code>logging</code></td><td><code><a href=#MeshConfig-ExtensionProvider-StackdriverProvider-Logging>Logging</a></code></td><td><p>Optional. Controls Stackdriver logging behavior.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider>MeshConfig.ExtensionProvider.OpenCensusAgentTracingProvider</h2><section><p>Defines configuration for an OpenCensus tracer writing to an OpenCensus backend.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-service><td><code>service</code></td><td><code>string</code></td><td><p>REQUIRED. Specifies the service for the OpenCensusAgent.
The format is <code>[&lt;Namespace>/]&lt;Hostname></code>. The specification of <code>&lt;Namespace></code> is required only when it is insufficient
to unambiguously resolve a service in the service registry. The <code>&lt;Hostname></code> is a fully qualified host name of a
service defined by the Kubernetes service or ServiceEntry.</p><p>Example: &ldquo;ocagent.default.svc.cluster.local&rdquo; or &ldquo;bar/ocagent.example.com&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-port><td><code>port</code></td><td><code>uint32</code></td><td><p>REQUIRED. Specifies the port of the service.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-context><td><code>context</code></td><td><code><a href=#MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-TraceContext>TraceContext[]</a></code></td><td><p>Specifies the set of context propagation headers used for distributed
tracing. Default is <code>["W3C_TRACE_CONTEXT"]</code>. If multiple values are specified,
the proxy will attempt to read each header for each request and will
write all headers.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-max_tag_length><td><code>maxTagLength</code></td><td><code>uint32</code></td><td><p>Optional. Controls the overall path length allowed in a reported span.
NOTE: currently only controls max length of the path tag.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-PrometheusMetricsProvider>MeshConfig.ExtensionProvider.PrometheusMetricsProvider</h2><section></section><h2 id=MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider>MeshConfig.ExtensionProvider.EnvoyFileAccessLogProvider</h2><section><p>Defines configuration for Envoy-based access logging that writes to
local files (and/or standard streams).</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider-path><td><code>path</code></td><td><code>string</code></td><td><p>Path to a local file to write the access log entries.
This may be used to write to streams, via <code>/dev/stderr</code> and <code>/dev/stdout</code>
If unspecified, defaults to <code>/dev/stdout</code>.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider-log_format><td><code>logFormat</code></td><td><code><a href=#MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider-LogFormat>LogFormat</a></code></td><td><p>Optional. Allows overriding of the default access log format.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-EnvoyHttpGrpcV3LogProvider>MeshConfig.ExtensionProvider.EnvoyHttpGrpcV3LogProvider</h2><section><p>Defines configuration for an Envoy <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/access_loggers/grpc/v3/als.proto#grpc-access-log-service-als>Access Logging Service</a>
integration for HTTP traffic.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-EnvoyHttpGrpcV3LogProvider-service><td><code>service</code></td><td><code>string</code></td><td><p>REQUIRED. Specifies the service that implements the Envoy ALS gRPC authorization service.
The format is <code>[&lt;Namespace>/]&lt;Hostname></code>. The specification of <code>&lt;Namespace></code> is required only when it is insufficient
to unambiguously resolve a service in the service registry. The <code>&lt;Hostname></code> is a fully qualified host name of a
service defined by the Kubernetes service or ServiceEntry.</p><p>Example: &ldquo;envoy-als.foo.svc.cluster.local&rdquo; or &ldquo;bar/envoy-als.example.com&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyHttpGrpcV3LogProvider-port><td><code>port</code></td><td><code>uint32</code></td><td><p>REQUIRED. Specifies the port of the service.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyHttpGrpcV3LogProvider-log_name><td><code>logName</code></td><td><code>string</code></td><td><p>Optional. The friendly name of the access log.
Defaults:
- &ldquo;http<em>envoy</em>accesslog&rdquo;
- &ldquo;listener<em>envoy</em>accesslog&rdquo;</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyHttpGrpcV3LogProvider-filter_state_objects_to_log><td><code>filterStateObjectsToLog</code></td><td><code>string[]</code></td><td><p>Optional. Additional filter state objects to log.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyHttpGrpcV3LogProvider-additional_request_headers_to_log><td><code>additionalRequestHeadersToLog</code></td><td><code>string[]</code></td><td><p>Optional. Additional request headers to log.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyHttpGrpcV3LogProvider-additional_response_headers_to_log><td><code>additionalResponseHeadersToLog</code></td><td><code>string[]</code></td><td><p>Optional. Additional response headers to log.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyHttpGrpcV3LogProvider-additional_response_trailers_to_log><td><code>additionalResponseTrailersToLog</code></td><td><code>string[]</code></td><td><p>Optional. Additional response trailers to log.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-EnvoyTcpGrpcV3LogProvider>MeshConfig.ExtensionProvider.EnvoyTcpGrpcV3LogProvider</h2><section><p>Defines configuration for an Envoy <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/access_loggers/grpc/v3/als.proto#grpc-access-log-service-als>Access Logging Service</a>
integration for TCP traffic.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-EnvoyTcpGrpcV3LogProvider-service><td><code>service</code></td><td><code>string</code></td><td><p>REQUIRED. Specifies the service that implements the Envoy ALS gRPC authorization service.
The format is <code>[&lt;Namespace>/]&lt;Hostname></code>. The specification of <code>&lt;Namespace></code> is required only when it is insufficient
to unambiguously resolve a service in the service registry. The <code>&lt;Hostname></code> is a fully qualified host name of a
service defined by the Kubernetes service or ServiceEntry.</p><p>Example: &ldquo;envoy-als.foo.svc.cluster.local&rdquo; or &ldquo;bar/envoy-als.example.com&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyTcpGrpcV3LogProvider-port><td><code>port</code></td><td><code>uint32</code></td><td><p>REQUIRED. Specifies the port of the service.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyTcpGrpcV3LogProvider-log_name><td><code>logName</code></td><td><code>string</code></td><td><p>Optional. The friendly name of the access log.
Defaults:
- &ldquo;tcp<em>envoy</em>accesslog&rdquo;
- &ldquo;listener<em>envoy</em>accesslog&rdquo;</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyTcpGrpcV3LogProvider-filter_state_objects_to_log><td><code>filterStateObjectsToLog</code></td><td><code>string[]</code></td><td><p>Optional. Additional filter state objects to log.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider>MeshConfig.ExtensionProvider.EnvoyOpenTelemetryLogProvider</h2><section><p>Defines configuration for an Envoy <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/access_loggers/open_telemetry/v3/logs_service.proto>OpenTelemetry (gRPC) Access Log</a></p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider-service><td><code>service</code></td><td><code>string</code></td><td><p>REQUIRED. Specifies the service that implements the Envoy ALS gRPC authorization service.
The format is <code>[&lt;Namespace>/]&lt;Hostname></code>. The specification of <code>&lt;Namespace></code> is required only when it is insufficient
to unambiguously resolve a service in the service registry. The <code>&lt;Hostname></code> is a fully qualified host name of a
service defined by the Kubernetes service or ServiceEntry.</p><p>Example: &ldquo;envoy-als.foo.svc.cluster.local&rdquo; or &ldquo;bar/envoy-als.example.com&rdquo;.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider-port><td><code>port</code></td><td><code>uint32</code></td><td><p>REQUIRED. Specifies the port of the service.</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider-log_name><td><code>logName</code></td><td><code>string</code></td><td><p>Optional. The friendly name of the access log.
Defaults:
- &ldquo;otel<em>envoy</em>accesslog&rdquo;</p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider-log_format><td><code>logFormat</code></td><td><code><a href=#MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider-LogFormat>LogFormat</a></code></td><td><p>Optional. Format for the proxy access log
Empty value results in proxy&rsquo;s default access log format, following Envoy access logging formatting.</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-StackdriverProvider-Logging>MeshConfig.ExtensionProvider.StackdriverProvider.Logging</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-StackdriverProvider-Logging-labels><td><code>labels</code></td><td><code>map&lt;string,&nbsp;string></code></td><td><p>Collection of tag names and tag expressions to include in the log
entry. Conflicts are resolved by the tag name by overriding previously
supplied values.</p><p>Example:
labels:
path: request.url_path
foo: request.headers[&lsquo;x-foo&rsquo;]</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider-LogFormat>MeshConfig.ExtensionProvider.EnvoyFileAccessLogProvider.LogFormat</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider-LogFormat-text class="oneof oneof-start"><td><code>text</code></td><td><code>string (oneof)</code></td><td><p>Textual format for the envoy access logs. Envoy <a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/observability/access_log/usage#command-operators>command operators</a> may be
used in the format. The <a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/observability/access_log/usage#config-access-log-format-strings>format string documentation</a>
provides more information.</p><p>NOTE: Istio will insert a newline (&lsquo;\n&rsquo;) on all formats (if missing).</p><p>Example: <code>text: "%LOCAL_REPLY_BODY%:%RESPONSE_CODE%:path=%REQ(:path)%"</code></p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider-LogFormat-labels class=oneof><td><code>labels</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#struct>Struct (oneof)</a></code></td><td><p>Structured format for the envoy access logs. Envoy <a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/observability/access_log/usage#command-operators>command operators</a>
can be used as values for fields within the Struct. Values are rendered
as strings, numbers, or boolean values, as appropriate
(see: <a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/observability/access_log/usage#config-access-log-format-dictionaries>format dictionaries</a>). Nested JSON is
supported for some command operators (e.g. FILTER<em>STATE or DYNAMIC</em>METADATA).</p><p>Example:</p><pre><code>labels:
status: &quot;%RESPONSE_CODE%&quot;
message: &quot;%LOCAL_REPLY_BODY%&quot;
</code></pre></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider-LogFormat>MeshConfig.ExtensionProvider.EnvoyOpenTelemetryLogProvider.LogFormat</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider-LogFormat-text><td><code>text</code></td><td><code>string</code></td><td><p>Textual format for the envoy access logs. Envoy <a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/observability/access_log/usage#command-operators>command operators</a> may be
used in the format. The <a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/observability/access_log/usage#config-access-log-format-strings>format string documentation</a>
provides more information.
Alias to <code>body</code> filed in <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/access_loggers/open_telemetry/v3/logs_service.proto>Open Telemetry</a>
Example: <code>text: "%LOCAL_REPLY_BODY%:%RESPONSE_CODE%:path=%REQ(:path)%"</code></p></td><td>No</td></tr><tr id=MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider-LogFormat-labels><td><code>labels</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#struct>Struct</a></code></td><td><p>Optional. Additional attributes that describe the specific event occurrence.
Structured format for the envoy access logs. Envoy <a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/observability/access_log/usage#command-operators>command operators</a>
can be used as values for fields within the Struct. Values are rendered
as strings, numbers, or boolean values, as appropriate
(see: <a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/observability/access_log/usage#config-access-log-format-dictionaries>format dictionaries</a>). Nested JSON is
supported for some command operators (e.g. FILTER<em>STATE or DYNAMIC</em>METADATA).
Alias to <code>attributes</code> filed in <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/access_loggers/open_telemetry/v3/logs_service.proto>Open Telemetry</a></p><p>Example:</p><pre><code>labels:
status: &quot;%RESPONSE_CODE%&quot;
message: &quot;%LOCAL_REPLY_BODY%&quot;
</code></pre></td><td>No</td></tr></tbody></table></section><h2 id=k8s-io-apimachinery-pkg-apis-meta-v1-LabelSelector>k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector</h2><section><p>A label selector is a label query over a set of resources. The result of matchLabels and
matchExpressions are ANDed. An empty label selector matches all objects. A null
label selector matches no objects.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=k8s-io-apimachinery-pkg-apis-meta-v1-LabelSelector-matchLabels><td><code>matchLabels</code></td><td><code>map&lt;string,&nbsp;string></code></td><td><p>matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels
map is equivalent to an element of matchExpressions, whose key field is &ldquo;key&rdquo;, the
operator is &ldquo;In&rdquo;, and the values array contains only &ldquo;value&rdquo;. The requirements are ANDed.
+optional</p></td><td>No</td></tr><tr id=k8s-io-apimachinery-pkg-apis-meta-v1-LabelSelector-matchExpressions><td><code>matchExpressions</code></td><td><code><a href=#k8s-io-apimachinery-pkg-apis-meta-v1-LabelSelectorRequirement>LabelSelectorRequirement[]</a></code></td><td><p>matchExpressions is a list of label selector requirements. The requirements are ANDed.
+optional</p></td><td>No</td></tr></tbody></table></section><h2 id=Tracing>Tracing</h2><section><p>Tracing defines configuration for the tracing performed by Envoy instances.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=Tracing-zipkin class="oneof oneof-start"><td><code>zipkin</code></td><td><code><a href=#Tracing-Zipkin>Zipkin (oneof)</a></code></td><td><p>Use a Zipkin tracer.</p></td><td>No</td></tr><tr id=Tracing-lightstep class=oneof><td><code>lightstep</code></td><td><code><a href=#Tracing-Lightstep>Lightstep (oneof)</a></code></td><td><p>Use a Lightstep tracer.</p></td><td>No</td></tr><tr id=Tracing-datadog class=oneof><td><code>datadog</code></td><td><code><a href=#Tracing-Datadog>Datadog (oneof)</a></code></td><td><p>Use a Datadog tracer.</p></td><td>No</td></tr><tr id=Tracing-stackdriver class=oneof><td><code>stackdriver</code></td><td><code><a href=#Tracing-Stackdriver>Stackdriver (oneof)</a></code></td><td><p>Use a Stackdriver tracer.</p></td><td>No</td></tr><tr id=Tracing-open_census_agent class=oneof><td><code>openCensusAgent</code></td><td><code><a href=#Tracing-OpenCensusAgent>OpenCensusAgent (oneof)</a></code></td><td><p>Use an OpenCensus tracer exporting to an OpenCensus agent.</p></td><td>No</td></tr><tr id=Tracing-sampling><td><code>sampling</code></td><td><code>double</code></td><td><p>The percentage of requests (0.0 - 100.0) that will be randomly selected for trace generation,
if not requested by the client or not forced. Default is 1.0.</p></td><td>No</td></tr><tr id=Tracing-tls_settings><td><code>tlsSettings</code></td><td><code><a href=/v1.13/docs/reference/config/networking/destination-rule/#ClientTLSSettings>ClientTLSSettings</a></code></td><td><p>Use the tls_settings to specify the tls mode to use. If the remote tracing service
uses Istio mutual TLS and shares the root CA with Pilot, specify the TLS
mode as <code>ISTIO_MUTUAL</code>.</p></td><td>No</td></tr></tbody></table></section><h2 id=SDS>SDS</h2><section><p>SDS defines secret discovery service(SDS) configuration to be used by the proxy.
For workload, its values are set in sidecar injector(passed as arguments to istio-proxy container).
For pilot/mixer, it&rsquo;s passed as arguments to istio-proxy container in pilot/mixer deployment yaml files directly.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=SDS-enabled><td><code>enabled</code></td><td><code>bool</code></td><td><p>True if SDS is enabled.</p></td><td>No</td></tr><tr id=SDS-k8s_sa_jwt_path><td><code>k8sSaJwtPath</code></td><td><code>string</code></td><td><p>Path of k8s service account JWT path.</p></td><td>No</td></tr></tbody></table></section><h2 id=ProxyConfig>ProxyConfig</h2><section><p>ProxyConfig defines variables for individual Envoy instances. This can be configured on a per-workload basis
as well as by the mesh-wide defaults.
To set the mesh wide defaults, configure the <code>defaultConfig</code> section of <code>meshConfig</code>. For example:</p><pre><code>meshConfig:
defaultConfig:
discoveryAddress: istiod:15012
</code></pre><p>This can also be configured on a per-workload basis by configuring the <code>proxy.istio.io/config</code> annotation on the pod. For example:</p><pre><code>annotations:
proxy.istio.io/config: |
discoveryAddress: istiod:15012
</code></pre><p>If both are configured, the two are merged with per field semantics; the field set in annotation will fully replace the field from mesh config defaults.
This is different than a deep merge provided by protobuf.
For example, <code>"tracing": { "sampling": 5 }</code> would completely override a setting configuring a tracing provider
such as <code>"tracing": { "zipkin": { "address": "..." } }</code>.</p><p>Note: fields in ProxyConfig are not dynamically configured; changes will require restart of workloads to take effect.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=ProxyConfig-config_path><td><code>configPath</code></td><td><code>string</code></td><td><p>Path to the generated configuration file directory.
Proxy agent generates the actual configuration and stores it in this directory.</p></td><td>No</td></tr><tr id=ProxyConfig-binary_path><td><code>binaryPath</code></td><td><code>string</code></td><td><p>Path to the proxy binary</p></td><td>No</td></tr><tr id=ProxyConfig-service_cluster class="oneof oneof-start"><td><code>serviceCluster</code></td><td><code>string (oneof)</code></td><td><p>Service cluster defines the name for the <code>service_cluster</code> that is
shared by all Envoy instances. This setting corresponds to
<code>--service-cluster</code> flag in Envoy. In a typical Envoy deployment, the
<code>service-cluster</code> flag is used to identify the caller, for
source-based routing scenarios.</p><p>Since Istio does not assign a local <code>service/service</code> version to each
Envoy instance, the name is same for all of them. However, the
source/caller&rsquo;s identity (e.g., IP address) is encoded in the
<code>--service-node</code> flag when launching Envoy. When the RDS service
receives API calls from Envoy, it uses the value of the <code>service-node</code>
flag to compute routes that are relative to the service instances
located at that IP address.</p></td><td>No</td></tr><tr id=ProxyConfig-tracing_service_name class=oneof><td><code>tracingServiceName</code></td><td><code><a href=#ProxyConfig-TracingServiceName>TracingServiceName (oneof)</a></code></td><td><p>Used by Envoy proxies to assign the values for the service names in trace
spans.</p></td><td>No</td></tr><tr id=ProxyConfig-drain_duration><td><code>drainDuration</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>The time in seconds that Envoy will drain connections during a hot
restart. MUST be >=1s (e.g., <em>1s/1m/1h</em>)
Default drain duration is <code>45s</code>.</p></td><td>No</td></tr><tr id=ProxyConfig-parent_shutdown_duration><td><code>parentShutdownDuration</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>The time in seconds that Envoy will wait before shutting down the
parent process during a hot restart. MUST be >=1s (e.g., <code>1s/1m/1h</code>).
MUST BE greater than <code>drain_duration</code> parameter.
Default shutdown duration is <code>60s</code>.</p></td><td>No</td></tr><tr id=ProxyConfig-discovery_address><td><code>discoveryAddress</code></td><td><code>string</code></td><td><p>Address of the discovery service exposing xDS with mTLS connection.
The inject configuration may override this value.</p></td><td>No</td></tr><tr id=ProxyConfig-statsd_udp_address><td><code>statsdUdpAddress</code></td><td><code>string</code></td><td><p>IP Address and Port of a statsd UDP listener (e.g. <code>10.75.241.127:9125</code>).</p></td><td>No</td></tr><tr id=ProxyConfig-proxy_admin_port><td><code>proxyAdminPort</code></td><td><code>int32</code></td><td><p>Port on which Envoy should listen for administrative commands.
Default port is <code>15000</code>.</p></td><td>No</td></tr><tr id=ProxyConfig-control_plane_auth_policy><td><code>controlPlaneAuthPolicy</code></td><td><code><a href=#AuthenticationPolicy>AuthenticationPolicy</a></code></td><td><p>AuthenticationPolicy defines how the proxy is authenticated when it connects to the control plane.
Default is set to <code>MUTUAL_TLS</code>.</p></td><td>No</td></tr><tr id=ProxyConfig-custom_config_file><td><code>customConfigFile</code></td><td><code>string</code></td><td><p>File path of custom proxy configuration, currently used by proxies
in front of Mixer and Pilot.</p></td><td>No</td></tr><tr id=ProxyConfig-stat_name_length><td><code>statNameLength</code></td><td><code>int32</code></td><td><p>Maximum length of name field in Envoy&rsquo;s metrics. The length of the name field
is determined by the length of a name field in a service and the set of labels that
comprise a particular version of the service. The default value is set to 189 characters.
Envoy&rsquo;s internal metrics take up 67 characters, for a total of 256 character name per metric.
Increase the value of this field if you find that the metrics from Envoys are truncated.</p></td><td>No</td></tr><tr id=ProxyConfig-concurrency><td><code>concurrency</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#int32value>Int32Value</a></code></td><td><p>The number of worker threads to run.
If unset, this will be automatically determined based on CPU requests/limits.
If set to 0, all cores on the machine will be used.
Default is 2 worker threads.</p></td><td>No</td></tr><tr id=ProxyConfig-proxy_bootstrap_template_path><td><code>proxyBootstrapTemplatePath</code></td><td><code>string</code></td><td><p>Path to the proxy bootstrap template file</p></td><td>No</td></tr><tr id=ProxyConfig-interception_mode><td><code>interceptionMode</code></td><td><code><a href=#ProxyConfig-InboundInterceptionMode>InboundInterceptionMode</a></code></td><td><p>The mode used to redirect inbound traffic to Envoy.</p></td><td>No</td></tr><tr id=ProxyConfig-tracing><td><code>tracing</code></td><td><code><a href=#Tracing>Tracing</a></code></td><td><p>Tracing configuration to be used by the proxy.</p></td><td>No</td></tr><tr id=ProxyConfig-sds><td><code>sds</code></td><td><code><a href=#SDS>SDS</a></code></td><td><p>Secret Discovery Service(SDS) configuration to be used by the proxy.</p></td><td>No</td></tr><tr id=ProxyConfig-envoy_access_log_service><td><code>envoyAccessLogService</code></td><td><code><a href=#RemoteService>RemoteService</a></code></td><td><p>Address of the service to which access logs from Envoys should be
sent. (e.g. <code>accesslog-service:15000</code>). See <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v2/config/accesslog/v2/als.proto>Access Log
Service</a>
for details about Envoy&rsquo;s gRPC Access Log Service API.</p></td><td>No</td></tr><tr id=ProxyConfig-envoy_metrics_service><td><code>envoyMetricsService</code></td><td><code><a href=#RemoteService>RemoteService</a></code></td><td><p>Address of the Envoy Metrics Service implementation (e.g. <code>metrics-service:15000</code>).
See <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v2/config/metrics/v2/metrics_service.proto>Metric Service</a>
for details about Envoy&rsquo;s Metrics Service API.</p></td><td>No</td></tr><tr id=ProxyConfig-proxy_metadata><td><code>proxyMetadata</code></td><td><code>map&lt;string,&nbsp;string></code></td><td><p>Additional environment variables for the proxy.
Names starting with <code>ISTIO_META_</code> will be included in the generated bootstrap and sent to the XDS server.</p></td><td>No</td></tr><tr id=ProxyConfig-status_port><td><code>statusPort</code></td><td><code>int32</code></td><td><p>Port on which the agent should listen for administrative commands such as readiness probe.
Default is set to port <code>15020</code>.</p></td><td>No</td></tr><tr id=ProxyConfig-extra_stat_tags><td><code>extraStatTags</code></td><td><code>string[]</code></td><td><p>An additional list of tags to extract from the in-proxy Istio telemetry. These extra tags can be
added by configuring the telemetry extension. Each additional tag needs to be present in this list.
Extra tags emitted by the telemetry extensions must be listed here so that they can be processed
and exposed as Prometheus metrics.</p></td><td>No</td></tr><tr id=ProxyConfig-termination_drain_duration><td><code>terminationDrainDuration</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>The amount of time allowed for connections to complete on proxy shutdown.
On receiving <code>SIGTERM</code> or <code>SIGINT</code>, <code>istio-agent</code> tells the active Envoy to start draining,
preventing any new connections and allowing existing connections to complete. It then
sleeps for the <code>termination_drain_duration</code> and then kills any remaining active Envoy processes.
If not set, a default of <code>5s</code> will be applied.</p></td><td>No</td></tr><tr id=ProxyConfig-mesh_id><td><code>meshId</code></td><td><code>string</code></td><td><p>The unique identifier for the <a href=/v1.13/docs/reference/glossary/#service-mesh>service mesh</a>
All control planes running in the same service mesh should specify the same mesh ID.
Mesh ID is used to label telemetry reports for cases where telemetry from multiple meshes is mixed together.</p></td><td>No</td></tr><tr id=ProxyConfig-readiness_probe><td><code>readinessProbe</code></td><td><code><a href=/v1.13/docs/reference/config/networking/workload-group/#ReadinessProbe>ReadinessProbe</a></code></td><td><p>VM Health Checking readiness probe. This health check config exactly mirrors the
kubernetes readiness probe configuration both in schema and logic.
Only one health check method of 3 can be set at a time.</p></td><td>No</td></tr><tr id=ProxyConfig-proxy_stats_matcher><td><code>proxyStatsMatcher</code></td><td><code><a href=#ProxyConfig-ProxyStatsMatcher>ProxyStatsMatcher</a></code></td><td><p>Proxy stats matcher defines configuration for reporting custom Envoy stats.
To reduce memory and CPU overhead from Envoy stats system, Istio proxies by
default create and expose only a subset of Envoy stats. This option is to
control creation of additional Envoy stats with prefix, suffix, and regex
expressions match on the name of the stats. This replaces the stats
inclusion annotations
(<code>sidecar.istio.io/statsInclusionPrefixes</code>,
<code>sidecar.istio.io/statsInclusionRegexps</code>, and
<code>sidecar.istio.io/statsInclusionSuffixes</code>). For example, to enable stats
for circuit breaker, retry, and upstream connections, you can specify stats
matcher as follow:</p><pre><code class=language-yaml>proxyStatsMatcher:
inclusionRegexps:
- .*circuit_breakers.*
inclusionPrefixes:
- upstream_rq_retry
- upstream_cx
</code></pre><p>Note including more Envoy stats might increase number of time series
collected by prometheus significantly. Care needs to be taken on Prometheus
resource provision and configuration to reduce cardinality.</p></td><td>No</td></tr><tr id=ProxyConfig-hold_application_until_proxy_starts><td><code>holdApplicationUntilProxyStarts</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#boolvalue>BoolValue</a></code></td><td><p>Boolean flag for enabling/disabling the holdApplicationUntilProxyStarts behavior.
This feature adds hooks to delay application startup until the pod proxy
is ready to accept traffic, mitigating some startup race conditions.
Default value is &lsquo;false&rsquo;.</p></td><td>No</td></tr><tr id=ProxyConfig-ca_certificates_pem><td><code>caCertificatesPem</code></td><td><code>string[]</code></td><td><p>The PEM data of the extra root certificates for workload-to-workload communication.
This includes the certificates defined in MeshConfig and any other certificates that Istiod uses as CA.
The plugin certificates (the &lsquo;cacerts&rsquo; secret), self-signed certificates (the &lsquo;istio-ca-secret&rsquo; secret)
are added automatically by Istiod.</p></td><td>No</td></tr><tr id=ProxyConfig-image><td><code>image</code></td><td><code><a href=/v1.13/docs/reference/config/networking/proxy-config/#ProxyImage>ProxyImage</a></code></td><td><p>Specifies the details of the proxy image.</p></td><td>No</td></tr><tr id=ProxyConfig-zipkin_address class=deprecated><td><code>zipkinAddress</code></td><td><code>string</code></td><td><p>Address of the Zipkin service (e.g. <em>zipkin:9411</em>).
DEPRECATED: Use <a href=#ProxyConfig-tracing>tracing</a> instead.</p></td><td>No</td></tr></tbody></table></section><h2 id=RemoteService>RemoteService</h2><section><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=RemoteService-address><td><code>address</code></td><td><code>string</code></td><td><p>Address of a remove service used for various purposes (access log
receiver, metrics receiver, etc.). Can be IP address or a fully
qualified DNS name.</p></td><td>No</td></tr><tr id=RemoteService-tls_settings><td><code>tlsSettings</code></td><td><code><a href=/v1.13/docs/reference/config/networking/destination-rule/#ClientTLSSettings>ClientTLSSettings</a></code></td><td><p>Use the <code>tls_settings</code> to specify the tls mode to use. If the remote service
uses Istio mutual TLS and shares the root CA with Pilot, specify the TLS
mode as <code>ISTIO_MUTUAL</code>.</p></td><td>No</td></tr><tr id=RemoteService-tcp_keepalive><td><code>tcpKeepalive</code></td><td><code><a href=/v1.13/docs/reference/config/networking/destination-rule/#ConnectionPoolSettings-TCPSettings-TcpKeepalive>TcpKeepalive</a></code></td><td><p>If set then set <code>SO_KEEPALIVE</code> on the socket to enable TCP Keepalives.</p></td><td>No</td></tr></tbody></table></section><h2 id=Tracing-Zipkin>Tracing.Zipkin</h2><section><p>Zipkin defines configuration for a Zipkin tracer.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=Tracing-Zipkin-address><td><code>address</code></td><td><code>string</code></td><td><p>Address of the Zipkin service (e.g. <em>zipkin:9411</em>).</p></td><td>No</td></tr></tbody></table></section><h2 id=Tracing-Lightstep>Tracing.Lightstep</h2><section><p>Defines configuration for a Lightstep tracer.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=Tracing-Lightstep-address><td><code>address</code></td><td><code>string</code></td><td><p>Address of the Lightstep Satellite pool.</p></td><td>No</td></tr><tr id=Tracing-Lightstep-access_token><td><code>accessToken</code></td><td><code>string</code></td><td><p>The Lightstep access token.</p></td><td>No</td></tr></tbody></table></section><h2 id=Tracing-Datadog>Tracing.Datadog</h2><section><p>Datadog defines configuration for a Datadog tracer.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=Tracing-Datadog-address><td><code>address</code></td><td><code>string</code></td><td><p>Address of the Datadog Agent.</p></td><td>No</td></tr></tbody></table></section><h2 id=Tracing-Stackdriver>Tracing.Stackdriver</h2><section><p>Stackdriver defines configuration for a Stackdriver tracer.
See <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v3/config/trace/v3/opencensus.proto>Envoy&rsquo;s OpenCensus trace configuration</a>
and
<a href=https://github.com/census-instrumentation/opencensus-proto/blob/master/src/opencensus/proto/trace/v1/trace_config.proto>OpenCensus trace config</a> for details.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody></tbody></table></section><h2 id=Tracing-OpenCensusAgent>Tracing.OpenCensusAgent</h2><section><p>OpenCensusAgent defines configuration for an OpenCensus tracer writing to
an OpenCensus agent backend. See
<a href=https://www.envoyproxy.io/docs/envoy/latest/api-v3/config/trace/v3/opencensus.proto>Envoy&rsquo;s OpenCensus trace configuration</a>
and
<a href=https://github.com/census-instrumentation/opencensus-proto/blob/master/src/opencensus/proto/trace/v1/trace_config.proto>OpenCensus trace config</a>
for details.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=Tracing-OpenCensusAgent-address><td><code>address</code></td><td><code>string</code></td><td><p>gRPC address for the OpenCensus agent (e.g. dns://authority/host:port or
unix:path). See <a href=https://github.com/grpc/grpc/blob/master/doc/naming.md>gRPC naming
docs</a> for
details.</p></td><td>No</td></tr><tr id=Tracing-OpenCensusAgent-context><td><code>context</code></td><td><code><a href=#Tracing-OpenCensusAgent-TraceContext>TraceContext[]</a></code></td><td><p>Specifies the set of context propagation headers used for distributed
tracing. Default is <code>["W3C_TRACE_CONTEXT"]</code>. If multiple values are specified,
the proxy will attempt to read each header for each request and will
write all headers.</p></td><td>No</td></tr></tbody></table></section><h2 id=ProxyConfig-ProxyStatsMatcher>ProxyConfig.ProxyStatsMatcher</h2><section><p>Proxy stats name matchers for stats creation. Note this is in addition to
the minimum Envoy stats that Istio generates by default.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=ProxyConfig-ProxyStatsMatcher-inclusion_prefixes><td><code>inclusionPrefixes</code></td><td><code>string[]</code></td><td><p>Proxy stats name prefix matcher for inclusion.</p></td><td>No</td></tr><tr id=ProxyConfig-ProxyStatsMatcher-inclusion_suffixes><td><code>inclusionSuffixes</code></td><td><code>string[]</code></td><td><p>Proxy stats name suffix matcher for inclusion.</p></td><td>No</td></tr><tr id=ProxyConfig-ProxyStatsMatcher-inclusion_regexps><td><code>inclusionRegexps</code></td><td><code>string[]</code></td><td><p>Proxy stats name regexps matcher for inclusion.</p></td><td>No</td></tr></tbody></table></section><h2 id=Network>Network</h2><section><p>Network provides information about the endpoints in a routable L3
network. A single routable L3 network can have one or more service
registries. Note that the network has no relation to the locality of the
endpoint. The endpoint locality will be obtained from the service
registry.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=Network-endpoints><td><code>endpoints</code></td><td><code><a href=#Network-NetworkEndpoints>NetworkEndpoints[]</a></code></td><td><p>The list of endpoints in the network (obtained through the
constituent service registries or from CIDR ranges). All endpoints in
the network are directly accessible to one another.</p></td><td>Yes</td></tr><tr id=Network-gateways><td><code>gateways</code></td><td><code><a href=#Network-IstioNetworkGateway>IstioNetworkGateway[]</a></code></td><td><p>Set of gateways associated with the network.</p></td><td>Yes</td></tr></tbody></table></section><h2 id=MeshNetworks>MeshNetworks</h2><section><p>MeshNetworks (config map) provides information about the set of networks
inside a mesh and how to route to endpoints in each network. For example</p><p>MeshNetworks(file/config map):</p><pre><code class=language-yaml>networks:
network1:
endpoints:
- fromRegistry: registry1 #must match kubeconfig name in Kubernetes secret
- fromCidr: 192.168.100.0/22 #a VM network for example
gateways:
- registryServiceName: istio-ingressgateway.istio-system.svc.cluster.local
port: 15443
locality: us-east-1a
- address: 192.168.100.1
port: 15443
locality: us-east-1a
</code></pre><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=MeshNetworks-networks><td><code>networks</code></td><td><code>map&lt;string,&nbsp;<a href=#Network>Network</a>></code></td><td><p>The set of networks inside this mesh. Each network should
have a unique name and information about how to infer the endpoints in
the network as well as the gateways associated with the network.</p></td><td>Yes</td></tr></tbody></table></section><h2 id=Network-NetworkEndpoints>Network.NetworkEndpoints</h2><section><p>NetworkEndpoints describes how the network associated with an endpoint
should be inferred. An endpoint will be assigned to a network based on
the following rules:</p><ol><li><p>Implicitly: If the registry explicitly provides information about
the network to which the endpoint belongs to. In some cases, its
possible to indicate the network associated with the endpoint by
adding the <code>ISTIO_META_NETWORK</code> environment variable to the sidecar.</p></li><li><p>Explicitly:</p></li></ol><p>a. By matching the registry name with one of the &ldquo;fromRegistry&rdquo;
in the mesh config. A &ldquo;from_registry&rdquo; can only be assigned to a
single network.</p><p>b. By matching the IP against one of the CIDR ranges in a mesh
config network. The CIDR ranges must not overlap and be assigned to
a single network.</p><p>(2) will override (1) if both are present.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=Network-NetworkEndpoints-from_cidr class="oneof oneof-start"><td><code>fromCidr</code></td><td><code>string (oneof)</code></td><td><p>A CIDR range for the set of endpoints in this network. The CIDR
ranges for endpoints from different networks must not overlap.</p></td><td>No</td></tr><tr id=Network-NetworkEndpoints-from_registry class=oneof><td><code>fromRegistry</code></td><td><code>string (oneof)</code></td><td><p>Add all endpoints from the specified registry into this network.
The names of the registries should correspond to the kubeconfig file name
inside the secret that was used to configure the registry (Kubernetes
multicluster) or supplied by MCP server.</p></td><td>No</td></tr></tbody></table></section><h2 id=Network-IstioNetworkGateway>Network.IstioNetworkGateway</h2><section><p>The gateway associated with this network. Traffic from remote networks
will arrive at the specified gateway:port. All incoming traffic must
use mTLS.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=Network-IstioNetworkGateway-registry_service_name class="oneof oneof-start"><td><code>registryServiceName</code></td><td><code>string (oneof)</code></td><td><p>A fully qualified domain name of the gateway service. Pilot will
lookup the service from the service registries in the network and
obtain the endpoint IPs of the gateway from the service
registry. Note that while the service name is a fully qualified
domain name, it need not be resolvable outside the orchestration
platform for the registry. e.g., this could be
istio-ingressgateway.istio-system.svc.cluster.local.</p></td><td>No</td></tr><tr id=Network-IstioNetworkGateway-address class=oneof><td><code>address</code></td><td><code>string (oneof)</code></td><td><p>IP address or externally resolvable DNS address associated with the gateway.</p></td><td>No</td></tr><tr id=Network-IstioNetworkGateway-port><td><code>port</code></td><td><code>uint32</code></td><td><p>The port associated with the gateway.</p></td><td>Yes</td></tr><tr id=Network-IstioNetworkGateway-locality><td><code>locality</code></td><td><code>string</code></td><td><p>The locality associated with an explicitly specified gateway (i.e. ip)</p></td><td>No</td></tr></tbody></table></section><h2 id=MeshConfig-OutboundTrafficPolicy-Mode>MeshConfig.OutboundTrafficPolicy.Mode</h2><section><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=MeshConfig-OutboundTrafficPolicy-Mode-REGISTRY_ONLY><td><code>REGISTRY_ONLY</code></td><td><p>outbound traffic will be restricted to services defined in the
service registry as well as those defined through ServiceEntries</p></td></tr><tr id=MeshConfig-OutboundTrafficPolicy-Mode-ALLOW_ANY><td><code>ALLOW_ANY</code></td><td><p>outbound traffic to unknown destinations will be allowed, in case
there are no services or ServiceEntries for the destination port</p></td></tr></tbody></table></section><h2 id=MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-TraceContext>MeshConfig.ExtensionProvider.OpenCensusAgentTracingProvider.TraceContext</h2><section><p>TraceContext selects the context propagation headers used for
distributed tracing.</p><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-TraceContext-W3C_TRACE_CONTEXT><td><code>W3C_TRACE_CONTEXT</code></td><td><p>Use W3C Trace Context propagation using the <code>traceparent</code> HTTP header.
See the
<a href=https://www.w3.org/TR/trace-context/>Trace Context documentation</a> for details.</p></td></tr><tr id=MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-TraceContext-GRPC_BIN><td><code>GRPC_BIN</code></td><td><p>Use gRPC binary context propagation using the <code>grpc-trace-bin</code> http header.</p></td></tr><tr id=MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-TraceContext-CLOUD_TRACE_CONTEXT><td><code>CLOUD_TRACE_CONTEXT</code></td><td><p>Use Cloud Trace context propagation using the
<code>X-Cloud-Trace-Context</code> http header.</p></td></tr><tr id=MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-TraceContext-B3><td><code>B3</code></td><td><p>Use multi-header B3 context propagation using the <code>X-B3-TraceId</code>,
<code>X-B3-SpanId</code>, and <code>X-B3-Sampled</code> HTTP headers. See
<a href=https://github.com/openzipkin/b3-propagation>B3 header propagation README</a>
for details.</p></td></tr></tbody></table></section><h2 id=MeshConfig-ProxyPathNormalization-NormalizationType>MeshConfig.ProxyPathNormalization.NormalizationType</h2><section><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=MeshConfig-ProxyPathNormalization-NormalizationType-DEFAULT><td><code>DEFAULT</code></td><td><p>Apply default normalizations. Currently, this is BASE.</p></td></tr><tr id=MeshConfig-ProxyPathNormalization-NormalizationType-NONE><td><code>NONE</code></td><td><p>No normalization, paths are used as is.</p></td></tr><tr id=MeshConfig-ProxyPathNormalization-NormalizationType-BASE><td><code>BASE</code></td><td><p>Normalize according to <a href=https://tools.ietf.org/html/rfc3986>RFC 3986</a>.
For Envoy proxies, this is the <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/filters/network/http_connection_manager/v3/http_connection_manager.proto.html><code>normalize_path</code></a> option.
For example, <code>/a/../b</code> normalizes to <code>/b</code>.</p></td></tr><tr id=MeshConfig-ProxyPathNormalization-NormalizationType-MERGE_SLASHES><td><code>MERGE_SLASHES</code></td><td><p>In addition to the <code>BASE</code> normalization, consecutive slashes are also merged.
For example, <code>/a//b</code> normalizes to <code>a/b</code>.</p></td></tr><tr id=MeshConfig-ProxyPathNormalization-NormalizationType-DECODE_AND_MERGE_SLASHES><td><code>DECODE_AND_MERGE_SLASHES</code></td><td><p>In addition to normalization in <code>MERGE_SLASHES</code>, slash characters are UTF-8 decoded (case insensitive) prior to merging.
This means <code>%2F</code>, <code>%2f</code>, <code>%5C</code>, and <code>%5c</code> sequences in the request path will be rewritten to <code>/</code> or <code>\</code>.
For example, <code>/a%2f/b</code> normalizes to <code>a/b</code>.</p></td></tr></tbody></table></section><h2 id=MeshConfig-IngressControllerMode>MeshConfig.IngressControllerMode</h2><section><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=MeshConfig-IngressControllerMode-UNSPECIFIED><td><code>UNSPECIFIED</code></td><td><p>Unspecified Istio ingress controller.</p></td></tr><tr id=MeshConfig-IngressControllerMode-OFF><td><code>OFF</code></td><td><p>Disables Istio ingress controller.</p></td></tr><tr id=MeshConfig-IngressControllerMode-DEFAULT><td><code>DEFAULT</code></td><td><p>Istio ingress controller will act on ingress resources that do not
contain any annotation or whose annotations match the value
specified in the ingress_class parameter described earlier. Use this
mode if Istio ingress controller will be the default ingress
controller for the entire Kubernetes cluster.</p></td></tr><tr id=MeshConfig-IngressControllerMode-STRICT><td><code>STRICT</code></td><td><p>Istio ingress controller will only act on ingress resources whose
annotations match the value specified in the ingress_class parameter
described earlier. Use this mode if Istio ingress controller will be
a secondary ingress controller (e.g., in addition to a
cloud-provided ingress controller).</p></td></tr></tbody></table></section><h2 id=MeshConfig-AccessLogEncoding>MeshConfig.AccessLogEncoding</h2><section><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=MeshConfig-AccessLogEncoding-TEXT><td><code>TEXT</code></td><td><p>text encoding for the proxy access log</p></td></tr><tr id=MeshConfig-AccessLogEncoding-JSON><td><code>JSON</code></td><td><p>json encoding for the proxy access log</p></td></tr></tbody></table></section><h2 id=MeshConfig-H2UpgradePolicy>MeshConfig.H2UpgradePolicy</h2><section><p>Default Policy for upgrading http1.1 connections to http2.</p><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=MeshConfig-H2UpgradePolicy-DO_NOT_UPGRADE><td><code>DO_NOT_UPGRADE</code></td><td><p>Do not upgrade connections to http2.</p></td></tr><tr id=MeshConfig-H2UpgradePolicy-UPGRADE><td><code>UPGRADE</code></td><td><p>Upgrade the connections to http2.</p></td></tr></tbody></table></section><h2 id=Resource>Resource</h2><section><p>Resource describes the source of configuration</p><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=Resource-SERVICE_REGISTRY><td><code>SERVICE_REGISTRY</code></td><td><p>Set to only receive service entries that are generated by the platform.
These auto generated service entries are combination of services and endpoints
that are generated by a specific platform e.g. k8</p></td></tr></tbody></table></section><h2 id=Tracing-OpenCensusAgent-TraceContext>Tracing.OpenCensusAgent.TraceContext</h2><section><p>TraceContext selects the context propagation headers used for
distributed tracing.</p><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=Tracing-OpenCensusAgent-TraceContext-W3C_TRACE_CONTEXT><td><code>W3C_TRACE_CONTEXT</code></td><td><p>Use W3C Trace Context propagation using the <code>traceparent</code> HTTP header.
See the
<a href=https://www.w3.org/TR/trace-context/>Trace Context documentation</a> for details.</p></td></tr><tr id=Tracing-OpenCensusAgent-TraceContext-GRPC_BIN><td><code>GRPC_BIN</code></td><td><p>Use gRPC binary context propagation using the <code>grpc-trace-bin</code> http header.</p></td></tr><tr id=Tracing-OpenCensusAgent-TraceContext-CLOUD_TRACE_CONTEXT><td><code>CLOUD_TRACE_CONTEXT</code></td><td><p>Use Cloud Trace context propagation using the
<code>X-Cloud-Trace-Context</code> http header.</p></td></tr><tr id=Tracing-OpenCensusAgent-TraceContext-B3><td><code>B3</code></td><td><p>Use multi-header B3 context propagation using the <code>X-B3-TraceId</code>,
<code>X-B3-SpanId</code>, and <code>X-B3-Sampled</code> HTTP headers. See
<a href=https://github.com/openzipkin/b3-propagation>B3 header propagation README</a>
for details.</p></td></tr></tbody></table></section><h2 id=ProxyConfig-TracingServiceName>ProxyConfig.TracingServiceName</h2><section><p>Allows specification of various Istio-supported naming schemes for the
Envoy <code>service_cluster</code> value. The <code>servce_cluster</code> value is primarily used
by Envoys to provide service names for tracing spans.</p><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=ProxyConfig-TracingServiceName-APP_LABEL_AND_NAMESPACE><td><code>APP_LABEL_AND_NAMESPACE</code></td><td><p>Default scheme. Uses the <code>app</code> label and workload namespace to construct
a cluster name. If the <code>app</code> label does not exist <code>istio-proxy</code> is used.</p></td></tr><tr id=ProxyConfig-TracingServiceName-CANONICAL_NAME_ONLY><td><code>CANONICAL_NAME_ONLY</code></td><td><p>Uses the canonical name for a workload (<em>excluding namespace</em>).</p></td></tr><tr id=ProxyConfig-TracingServiceName-CANONICAL_NAME_AND_NAMESPACE><td><code>CANONICAL_NAME_AND_NAMESPACE</code></td><td><p>Uses the canonical name and namespace for a workload.</p></td></tr></tbody></table></section><h2 id=ProxyConfig-InboundInterceptionMode>ProxyConfig.InboundInterceptionMode</h2><section><p>The mode used to redirect inbound traffic to Envoy.
This setting has no effect on outbound traffic: iptables <code>REDIRECT</code> is always used for
outbound connections.</p><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=ProxyConfig-InboundInterceptionMode-REDIRECT><td><code>REDIRECT</code></td><td><p>The <code>REDIRECT</code> mode uses iptables <code>REDIRECT</code> to <code>NAT</code> and redirect to Envoy. This mode loses
source IP addresses during redirection.</p></td></tr><tr id=ProxyConfig-InboundInterceptionMode-TPROXY><td><code>TPROXY</code></td><td><p>The <code>TPROXY</code> mode uses iptables <code>TPROXY</code> to redirect to Envoy. This mode preserves both the
source and destination IP addresses and ports, so that they can be used for advanced
filtering and manipulation. This mode also configures the sidecar to run with the
<code>CAP_NET_ADMIN</code> capability, which is required to use <code>TPROXY</code>.</p></td></tr></tbody></table></section><h2 id=AuthenticationPolicy>AuthenticationPolicy</h2><section><p>AuthenticationPolicy defines how the proxy is authenticated when it connects to the control plane.
It can be set for two different scopes, mesh-wide or set on a per-pod basis using the ProxyConfig annotation.
Mesh policy cannot be INHERIT.</p><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=AuthenticationPolicy-NONE><td><code>NONE</code></td><td><p>Do not encrypt proxy to control plane traffic.</p></td></tr><tr id=AuthenticationPolicy-MUTUAL_TLS><td><code>MUTUAL_TLS</code></td><td><p>Proxy to control plane traffic is wrapped into mutual TLS connections.</p></td></tr><tr id=AuthenticationPolicy-INHERIT><td><code>INHERIT</code></td><td><p>Use the policy defined by the parent scope. Should not be used for mesh
policy.</p></td></tr></tbody></table></section></article><nav class=pagenav><div class=left><a title="Describes the structure of messages generated by Istio analyzers." href=/v1.13/docs/reference/config/istio.analysis.v1alpha1/ class=next-link><svg class="icon left-arrow"><use xlink:href="/v1.13/img/icons.svg#left-arrow"/></svg>Analysis Messages</a></div><div class=right><a title="Configuration affecting Istio control plane installation version and shape." href=/v1.13/docs/reference/config/istio.operator.v1alpha1/ class=next-link>IstioOperator Options<svg class="icon right-arrow"><use xlink:href="/v1.13/img/icons.svg#right-arrow"/></svg></a></div></nav><div id=feedback><div id=feedback-initial>Was this information useful?<br><button class="btn feedback" onclick='sendFeedback("en",1)'>Yes</button>
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aria-label=MeshConfig.ThriftConfig><a href=#MeshConfig-ThriftConfig>MeshConfig.ThriftConfig</a><li role=none aria-label=MeshConfig.CA><a href=#MeshConfig-CA>MeshConfig.CA</a><li role=none aria-label=MeshConfig.ExtensionProvider><a href=#MeshConfig-ExtensionProvider>MeshConfig.ExtensionProvider</a><li role=none aria-label=MeshConfig.DefaultProviders><a href=#MeshConfig-DefaultProviders>MeshConfig.DefaultProviders</a><li role=none aria-label=MeshConfig.ProxyPathNormalization><a href=#MeshConfig-ProxyPathNormalization>MeshConfig.ProxyPathNormalization</a><li role=none aria-label=MeshConfig.ServiceSettings.Settings><a href=#MeshConfig-ServiceSettings-Settings>MeshConfig.ServiceSettings.Settings</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationRequestBody><a href=#MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationRequestBody>MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationRequestBody</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationHttpProvider><a href=#MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationHttpProvider>MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationHttpProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationGrpcProvider><a href=#MeshConfig-ExtensionProvider-EnvoyExternalAuthorizationGrpcProvider>MeshConfig.ExtensionProvider.EnvoyExternalAuthorizationGrpcProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.ZipkinTracingProvider><a href=#MeshConfig-ExtensionProvider-ZipkinTracingProvider>MeshConfig.ExtensionProvider.ZipkinTracingProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.LightstepTracingProvider><a href=#MeshConfig-ExtensionProvider-LightstepTracingProvider>MeshConfig.ExtensionProvider.LightstepTracingProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.DatadogTracingProvider><a href=#MeshConfig-ExtensionProvider-DatadogTracingProvider>MeshConfig.ExtensionProvider.DatadogTracingProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.SkyWalkingTracingProvider><a href=#MeshConfig-ExtensionProvider-SkyWalkingTracingProvider>MeshConfig.ExtensionProvider.SkyWalkingTracingProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.StackdriverProvider><a href=#MeshConfig-ExtensionProvider-StackdriverProvider>MeshConfig.ExtensionProvider.StackdriverProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.OpenCensusAgentTracingProvider><a href=#MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider>MeshConfig.ExtensionProvider.OpenCensusAgentTracingProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.PrometheusMetricsProvider><a href=#MeshConfig-ExtensionProvider-PrometheusMetricsProvider>MeshConfig.ExtensionProvider.PrometheusMetricsProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyFileAccessLogProvider><a href=#MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider>MeshConfig.ExtensionProvider.EnvoyFileAccessLogProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyHttpGrpcV3LogProvider><a href=#MeshConfig-ExtensionProvider-EnvoyHttpGrpcV3LogProvider>MeshConfig.ExtensionProvider.EnvoyHttpGrpcV3LogProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyTcpGrpcV3LogProvider><a href=#MeshConfig-ExtensionProvider-EnvoyTcpGrpcV3LogProvider>MeshConfig.ExtensionProvider.EnvoyTcpGrpcV3LogProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyOpenTelemetryLogProvider><a href=#MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider>MeshConfig.ExtensionProvider.EnvoyOpenTelemetryLogProvider</a><li role=none aria-label=MeshConfig.ExtensionProvider.StackdriverProvider.Logging><a href=#MeshConfig-ExtensionProvider-StackdriverProvider-Logging>MeshConfig.ExtensionProvider.StackdriverProvider.Logging</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyFileAccessLogProvider.LogFormat><a href=#MeshConfig-ExtensionProvider-EnvoyFileAccessLogProvider-LogFormat>MeshConfig.ExtensionProvider.EnvoyFileAccessLogProvider.LogFormat</a><li role=none aria-label=MeshConfig.ExtensionProvider.EnvoyOpenTelemetryLogProvider.LogFormat><a href=#MeshConfig-ExtensionProvider-EnvoyOpenTelemetryLogProvider-LogFormat>MeshConfig.ExtensionProvider.EnvoyOpenTelemetryLogProvider.LogFormat</a><li role=none aria-label=k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector><a href=#k8s-io-apimachinery-pkg-apis-meta-v1-LabelSelector>k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector</a><li role=none aria-label=Tracing><a href=#Tracing>Tracing</a><li role=none aria-label=SDS><a href=#SDS>SDS</a><li role=none aria-label=ProxyConfig><a href=#ProxyConfig>ProxyConfig</a><li role=none aria-label=RemoteService><a href=#RemoteService>RemoteService</a><li role=none aria-label=Tracing.Zipkin><a href=#Tracing-Zipkin>Tracing.Zipkin</a><li role=none aria-label=Tracing.Lightstep><a href=#Tracing-Lightstep>Tracing.Lightstep</a><li role=none aria-label=Tracing.Datadog><a href=#Tracing-Datadog>Tracing.Datadog</a><li role=none aria-label=Tracing.Stackdriver><a href=#Tracing-Stackdriver>Tracing.Stackdriver</a><li role=none aria-label=Tracing.OpenCensusAgent><a href=#Tracing-OpenCensusAgent>Tracing.OpenCensusAgent</a><li role=none aria-label=ProxyConfig.ProxyStatsMatcher><a href=#ProxyConfig-ProxyStatsMatcher>ProxyConfig.ProxyStatsMatcher</a><li role=none aria-label=Network><a href=#Network>Network</a><li role=none aria-label=MeshNetworks><a href=#MeshNetworks>MeshNetworks</a><li role=none aria-label=Network.NetworkEndpoints><a href=#Network-NetworkEndpoints>Network.NetworkEndpoints</a><li role=none aria-label=Network.IstioNetworkGateway><a href=#Network-IstioNetworkGateway>Network.IstioNetworkGateway</a><li role=none aria-label=MeshConfig.OutboundTrafficPolicy.Mode><a href=#MeshConfig-OutboundTrafficPolicy-Mode>MeshConfig.OutboundTrafficPolicy.Mode</a><li role=none aria-label=MeshConfig.ExtensionProvider.OpenCensusAgentTracingProvider.TraceContext><a href=#MeshConfig-ExtensionProvider-OpenCensusAgentTracingProvider-TraceContext>MeshConfig.ExtensionProvider.OpenCensusAgentTracingProvider.TraceContext</a><li role=none aria-label=MeshConfig.ProxyPathNormalization.NormalizationType><a href=#MeshConfig-ProxyPathNormalization-NormalizationType>MeshConfig.ProxyPathNormalization.NormalizationType</a><li role=none aria-label=MeshConfig.IngressControllerMode><a href=#MeshConfig-IngressControllerMode>MeshConfig.IngressControllerMode</a><li role=none aria-label=MeshConfig.AccessLogEncoding><a href=#MeshConfig-AccessLogEncoding>MeshConfig.AccessLogEncoding</a><li role=none aria-label=MeshConfig.H2UpgradePolicy><a href=#MeshConfig-H2UpgradePolicy>MeshConfig.H2UpgradePolicy</a><li role=none aria-label=Resource><a href=#Resource>Resource</a><li role=none aria-label=Tracing.OpenCensusAgent.TraceContext><a href=#Tracing-OpenCensusAgent-TraceContext>Tracing.OpenCensusAgent.TraceContext</a><li role=none aria-label=ProxyConfig.TracingServiceName><a href=#ProxyConfig-TracingServiceName>ProxyConfig.TracingServiceName</a><li role=none aria-label=ProxyConfig.InboundInterceptionMode><a href=#ProxyConfig-InboundInterceptionMode>ProxyConfig.InboundInterceptionMode</a><li role=none aria-label=AuthenticationPolicy><a href=#AuthenticationPolicy>AuthenticationPolicy</a></ol></div></nav></div></main><footer class=footer><div class="footer-wrapper container-l"><div class="user-links footer-links"><a class=channel title="GitHub is where development takes place on Istio code" href=https://github.com/istio/community aria-label=GitHub><svg class="icon github"><use xlink:href="/v1.13/img/icons.svg#github"/></svg></a><a 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