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<button id=search-close title="Cancel search" type=reset aria-label="Cancel search"><svg class="icon"><use xlink:href="/v1.5/img/icons.svg#cancel-x"/></svg></button></form></nav></header><div class=banner-container></div><main class=primary><div id=sidebar-container class="sidebar-container sidebar-offcanvas"><nav id=sidebar aria-label="Section Navigation"><div class=directory><div class=card><button class="header dynamic" id=card24 title="Learn about the different parts of the Istio system and the abstractions it uses." aria-controls=card24-body><svg class="icon"><use xlink:href="/v1.5/img/icons.svg#concepts"/></svg>Concepts</button><div class=body aria-labelledby=card24 role=region id=card24-body><ul role=tree aria-expanded=true class=leaf-section aria-labelledby=card24><li role=none><a role=treeitem title="Introduces Istio, the problems it solves, its high-level architecture, and its design goals." href=/v1.5/docs/concepts/what-is-istio/>What is Istio?</a></li><li role=none><a role=treeitem title="Describes the various Istio features focused on traffic routing and control." href=/v1.5/docs/concepts/traffic-management/>Traffic Management</a></li><li role=none><a role=treeitem title="Describes Istio's authorization and authentication functionality." href=/v1.5/docs/concepts/security/>Security</a></li><li role=none><a role=treeitem title="Describes the telemetry and monitoring features provided by Istio." href=/v1.5/docs/concepts/observability/>Observability</a></li><li role=none><a role=treeitem title="Describes Istio's WebAssembly Plugin system." href=/v1.5/docs/concepts/wasm/>Extensibility</a></li></ul></div></div><div class=card><button class="header dynamic" id=card47 title="Instructions for installing the Istio control plane on Kubernetes." aria-controls=card47-body><svg class="icon"><use xlink:href="/v1.5/img/icons.svg#setup"/></svg>Setup</button><div class=body aria-labelledby=card47 role=region id=card47-body><ul role=tree aria-expanded=true aria-labelledby=card47><li role=none><a role=treeitem title="Try Istio’s features quickly and easily." href=/v1.5/docs/setup/getting-started/>Getting Started</a></li><li role=treeitem aria-label="Platform Setup"><button aria-hidden=true></button><a title="How to prepare various Kubernetes platforms before installing Istio." href=/v1.5/docs/setup/platform-setup/>Platform Setup</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Instructions to setup an Alibaba Cloud Kubernetes cluster for Istio." href=/v1.5/docs/setup/platform-setup/alicloud/>Alibaba Cloud</a></li><li role=none><a role=treeitem title="Instructions to setup an Azure cluster for Istio." href=/v1.5/docs/setup/platform-setup/azure/>Azure</a></li><li role=none><a role=treeitem title="Instructions to setup Docker Desktop for Istio." href=/v1.5/docs/setup/platform-setup/docker/>Docker Desktop</a></li><li role=none><a role=treeitem title="Instructions to setup a Google Kubernetes Engine cluster for Istio." href=/v1.5/docs/setup/platform-setup/gke/>Google Kubernetes Engine</a></li><li role=none><a role=treeitem title="Instructions to setup an IBM Cloud cluster for Istio." href=/v1.5/docs/setup/platform-setup/ibm/>IBM Cloud</a></li><li role=none><a role=treeitem title="Instructions to setup kind for Istio." href=/v1.5/docs/setup/platform-setup/kind/>kind</a></li><li role=none><a role=treeitem title="Instructions to setup a Gardener cluster for Istio." href=/v1.5/docs/setup/platform-setup/gardener/>Kubernetes Gardener</a></li><li role=none><a role=treeitem title="Instructions to setup a KubeSphere Container Platform for Istio." href=/v1.5/docs/setup/platform-setup/kubesphere/>KubeSphere Container Platform</a></li><li role=none><a role=treeitem title="Instructions to setup MicroK8s for use with Istio." href=/v1.5/docs/setup/platform-setup/microk8s/>MicroK8s</a></li><li role=none><a role=treeitem title="Instructions to setup minikube for Istio." href=/v1.5/docs/setup/platform-setup/minikube/>Minikube</a></li><li role=none><a role=treeitem title="Instructions to setup an OpenShift cluster for Istio." href=/v1.5/docs/setup/platform-setup/openshift/>OpenShift</a></li><li role=none><a role=treeitem title="Instructions to setup an OKE cluster for Istio." href=/v1.5/docs/setup/platform-setup/oci/>Oracle Cloud Infrastructure</a></li></ul></li><li role=treeitem aria-label=Install><button aria-hidden=true></button><a title="Choose the guide that best suits your needs and platform." href=/v1.5/docs/setup/install/>Install</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="Install and customize any Istio configuration profile for in-depth evaluation or production use." href=/v1.5/docs/setup/install/istioctl/>Customizable Install with Istioctl</a></li><li role=none><a role=treeitem title="Install and configure Istio for in-depth evaluation or production use." href=/v1.5/docs/setup/install/helm/>Customizable Install with Helm</a></li><li role=none><a role=treeitem title="Instructions to install Istio in a Kubernetes cluster using the Istio operator." href=/v1.5/docs/setup/install/standalone-operator/>Standalone Operator Install</a></li><li role=treeitem aria-label="Multicluster Installation"><button aria-hidden=true></button><a title="Configure an Istio mesh spanning multiple Kubernetes clusters." href=/v1.5/docs/setup/install/multicluster/>Multicluster Installation</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Install an Istio mesh across multiple Kubernetes clusters with replicated control plane instances." href=/v1.5/docs/setup/install/multicluster/gateways/>Replicated control planes</a></li><li role=none><a role=treeitem title="Install an Istio mesh across multiple Kubernetes clusters with a shared control plane." href=/v1.5/docs/setup/install/multicluster/shared/>Shared control plane (single and multiple networks)</a></li></ul></li></ul></li><li role=treeitem aria-label=Upgrade><button aria-hidden=true></button><a title="Choose the upgrade guide that corresponds to the approach you previously used to install Istio." href=/v1.5/docs/setup/upgrade/>Upgrade</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Upgrade or downgrade Istio using the istioctl upgrade command." href=/v1.5/docs/setup/upgrade/istioctl-upgrade/>Upgrade Istio using istioctl</a></li><li role=none><a role=treeitem title="Upgrade the Istio control plane, and optionally, the CNI plug-in using Helm." href=/v1.5/docs/setup/upgrade/cni-helm-upgrade/>Upgrade using Helm</a></li></ul></li><li role=treeitem aria-label="More Guides"><button aria-hidden=true></button><a title="More information on additional setup tasks." href=/v1.5/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=/v1.5/docs/setup/additional-setup/config-profiles/>Installation Configuration Profiles</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=/v1.5/docs/setup/additional-setup/sidecar-injection/>Installing the Sidecar</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=/v1.5/docs/setup/additional-setup/cni/>Install Istio with the Istio CNI plugin</a></li></ul></li></ul></div></div><div class=card><button class="header dynamic" id=card77 title="How to do single specific targeted activities with the Istio system." aria-controls=card77-body><svg class="icon"><use xlink:href="/v1.5/img/icons.svg#tasks"/></svg>Tasks</button><div class=body aria-labelledby=card77 role=region id=card77-body><ul role=tree aria-expanded=true aria-labelledby=card77><li role=treeitem aria-label="Traffic Management"><button aria-hidden=true></button><a title="Tasks that demonstrate Istio's traffic routing features." href=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/docs/tasks/traffic-management/mirroring/>Mirroring</a></li><li role=treeitem aria-label=Ingress><button aria-hidden=true></button><a title="Controlling ingress traffic for an Istio service mesh." href=/v1.5/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=/v1.5/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 using file-mounted certificates." href=/v1.5/docs/tasks/traffic-management/ingress/secure-ingress-mount/>Secure Gateways (File Mount)</a></li><li role=none><a role=treeitem title="Expose a service outside of the service mesh over TLS or mTLS using the secret discovery service (SDS)." href=/v1.5/docs/tasks/traffic-management/ingress/secure-ingress-sds/>Secure Gateways (SDS)</a></li><li role=none><a role=treeitem title="Describes how to configure SNI passthrough for an ingress gateway." href=/v1.5/docs/tasks/traffic-management/ingress/ingress-sni-passthrough/>Ingress Gateway without TLS Termination</a></li><li role=none><a role=treeitem title="Demonstrates how to obtain Let's Encrypt TLS certificates for Kubernetes Ingress automatically using Cert-Manager." href=/v1.5/docs/tasks/traffic-management/ingress/ingress-certmgr/>Kubernetes Ingress with Cert-Manager</a></li></ul></li><li role=treeitem aria-label=Egress><button aria-hidden=true></button><a title="Controlling egress traffic for an Istio service mesh." href=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/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 SNI monitoring and apply policies on TLS egress traffic." href=/v1.5/docs/tasks/traffic-management/egress/egress_sni_monitoring_and_policies/>Monitoring and Policies for TLS Egress with Mixer (Deprecated)</a></li><li role=none><a role=treeitem title="Describes how to configure Istio to let applications use an external HTTPS proxy." href=/v1.5/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=/v1.5/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></button><a title="Demonstrates how to secure the mesh." href=/v1.5/docs/tasks/security/>Security</a><ul role=group aria-expanded=false><li role=treeitem aria-label=Authentication><button aria-hidden=true></button><a title="Controlling mutual TLS and end-user authentication for mesh services." href=/v1.5/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=/v1.5/docs/tasks/security/authentication/authn-policy/>Authentication Policy</a></li><li role=none><a role=treeitem title="Shows you how to incrementally migrate your Istio services to mutual TLS." href=/v1.5/docs/tasks/security/authentication/mtls-migration/>Mutual TLS Migration</a></li></ul></li><li role=treeitem aria-label=Authorization><button aria-hidden=true></button><a title="Shows how to control access to Istio services." href=/v1.5/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=/v1.5/docs/tasks/security/authorization/authz-http/>Authorization for HTTP traffic</a></li><li role=none><a role=treeitem title="How to set up access control for TCP traffic." href=/v1.5/docs/tasks/security/authorization/authz-tcp/>Authorization for TCP traffic</a></li><li role=none><a role=treeitem title="How to set up access control with JWT in Istio." href=/v1.5/docs/tasks/security/authorization/authz-jwt/>Authorization with JWT</a></li><li role=none><a role=treeitem title="Shows how to set up access control to deny traffic explicitly." href=/v1.5/docs/tasks/security/authorization/authz-deny/>Authorization policies with a deny action</a></li><li role=none><a role=treeitem title="How to set up access control on an ingress gateway." href=/v1.5/docs/tasks/security/authorization/authz-ingress/>Authorization on 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=/v1.5/docs/tasks/security/authorization/authz-td-migration/>Authorization Policy Trust Domain Migration</a></li></ul></li><li role=none><a role=treeitem title="Shows how system administrators can configure Istio's CA with an existing root certificate, signing certificate and key." href=/v1.5/docs/tasks/security/plugin-ca-cert/>Plugging in existing CA Certificates</a></li><li role=none><a role=treeitem title="Shows how to provision and manage DNS certificates in Istio." href=/v1.5/docs/tasks/security/dns-cert/>Istio DNS Certificate Management</a></li></ul></li><li role=treeitem aria-label=Policies><button aria-hidden=true></button><a title="Demonstrates policy enforcement features." href=/v1.5/docs/tasks/policy-enforcement/>Policies</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="This task shows you how to enable Istio policy enforcement." href=/v1.5/docs/tasks/policy-enforcement/enabling-policy/>Enabling Policy Enforcement (Deprecated)</a></li><li role=none><a role=treeitem title="This task shows you how to use Istio to dynamically limit the traffic to a service." href=/v1.5/docs/tasks/policy-enforcement/rate-limiting/>Enabling Rate Limits (Deprecated)</a></li><li role=none><a role=treeitem title="Shows how to control access to a service using simple denials or white/black listing." href=/v1.5/docs/tasks/policy-enforcement/denial-and-list/>Denials and White/Black Listing (Deprecated)</a></li><li role=none><a role=treeitem title="Shows how to modify request headers and routing using policy adapters." href=/v1.5/docs/tasks/policy-enforcement/control-headers/>Control Headers and Routing (Deprecated)</a></li></ul></li><li role=treeitem aria-label=Observability><button aria-hidden=true></button><a title="Demonstrates how to collect telemetry information from the mesh." href=/v1.5/docs/tasks/observability/>Observability</a><ul role=group aria-expanded=false><li role=treeitem aria-label=Metrics><button aria-hidden=true></button><a title="Demonstrates the collection and querying of metrics within Istio." href=/v1.5/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=/v1.5/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 query for Istio Metrics using Prometheus." href=/v1.5/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=/v1.5/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></button><a title="Demonstrates the collection of logs within Istio." href=/v1.5/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=/v1.5/docs/tasks/observability/logs/access-log/>Getting Envoy's Access Logs</a></li></ul></li><li role=treeitem aria-label="Distributed Tracing"><button aria-hidden=true></button><a title="This task shows you how to configure Istio-enabled applications to collect trace spans." href=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/docs/tasks/observability/distributed-tracing/lightstep/>LightStep</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=/v1.5/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=/v1.5/docs/tasks/observability/gateways/>Remotely Accessing Telemetry Addons</a></li><li role=treeitem aria-label="Using Mixer for Telemetry (deprecated)"><button aria-hidden=true></button><a title="Demonstrates how to collect telemetry information from the mesh using Mixer." href=/v1.5/docs/tasks/observability/mixer/>Using Mixer for Telemetry (deprecated)</a><ul role=group aria-expanded=false><li role=treeitem aria-label=Metrics><button aria-hidden=true></button><a title="Demonstrates the configuration, collection, and processing of Istio mesh metrics using Mixer." href=/v1.5/docs/tasks/observability/mixer/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's Mixer to collect and customize metrics." href=/v1.5/docs/tasks/observability/mixer/metrics/collecting-metrics/>Collecting Metrics With Mixer</a></li><li role=none><a role=treeitem title="This task shows you how to configure Istio's Mixer to collect metrics for TCP services." href=/v1.5/docs/tasks/observability/mixer/metrics/tcp-metrics/>Collecting Metrics for TCP services with Mixer</a></li></ul></li><li role=treeitem aria-label=Logs><button aria-hidden=true></button><a title="Demonstrates the configuration, collection, and processing of Istio mesh logs." href=/v1.5/docs/tasks/observability/mixer/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 Istio's Mixer to collect and customize logs." href=/v1.5/docs/tasks/observability/mixer/logs/collecting-logs/>Collecting Logs with Mixer</a></li><li role=none><a role=treeitem title="This task shows you how to configure Istio's Mixer to log to a Fluentd daemon." href=/v1.5/docs/tasks/observability/mixer/logs/fluentd/>Logging with Mixer and Fluentd</a></li></ul></li></ul></li></ul></li></ul></div></div><div class=card><button class="header dynamic" id=card92 title="A variety of fully working example uses for Istio that you can experiment with." aria-controls=card92-body><svg class="icon"><use xlink:href="/v1.5/img/icons.svg#examples"/></svg>Examples</button><div class=body aria-labelledby=card92 role=region id=card92-body><ul role=tree aria-expanded=true aria-labelledby=card92><li role=none><a role=treeitem title="Deploys a sample application composed of four separate microservices used to demonstrate various Istio features." href=/v1.5/docs/examples/bookinfo/>Bookinfo Application</a></li><li role=treeitem aria-label="Virtual Machines"><button aria-hidden=true></button><a title="Examples that add workloads running on virtual machines to an Istio mesh." href=/v1.5/docs/examples/virtual-machines/>Virtual Machines</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Learn how to add a service running on a virtual machine to your single network Istio mesh." href=/v1.5/docs/examples/virtual-machines/single-network/>Virtual Machines in Single-Network Meshes</a></li><li role=none><a role=treeitem title="Learn how to add a service running on a virtual machine to your multi-network Istio mesh." href=/v1.5/docs/examples/virtual-machines/multi-network/>Virtual Machines in Multi-Network Meshes</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=/v1.5/docs/examples/virtual-machines/bookinfo/>Bookinfo with a Virtual Machine</a></li></ul></li><li role=treeitem aria-label="Learn Microservices using Kubernetes and Istio"><button aria-hidden=true></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=/v1.5/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 href=/v1.5/docs/examples/microservices-istio/prereq/>Prerequisites</a></li><li role=none><a role=treeitem href=/v1.5/docs/examples/microservices-istio/setup-kubernetes-cluster/>Setup a Kubernetes Cluster</a></li><li role=none><a role=treeitem href=/v1.5/docs/examples/microservices-istio/setup-local-computer/>Setup a Local Computer</a></li><li role=none><a role=treeitem href=/v1.5/docs/examples/microservices-istio/single/>Run a Microservice Locally</a></li><li role=none><a role=treeitem href=/v1.5/docs/examples/microservices-istio/package-service/>Run ratings in Docker</a></li><li role=none><a role=treeitem href=/v1.5/docs/examples/microservices-istio/bookinfo-kubernetes/>Run Bookinfo with Kubernetes</a></li><li role=none><a role=treeitem href=/v1.5/docs/examples/microservices-istio/production-testing/>Test in production</a></li><li role=none><a role=treeitem href=/v1.5/docs/examples/microservices-istio/add-new-microservice-version/>Add a new version of reviews</a></li><li role=none><a role=treeitem href=/v1.5/docs/examples/microservices-istio/add-istio/>Enable Istio on productpage</a></li><li role=none><a role=treeitem href=/v1.5/docs/examples/microservices-istio/enable-istio-all-microservices/>Enable Istio on all the microservices</a></li><li role=none><a role=treeitem href=/v1.5/docs/examples/microservices-istio/istio-ingress-gateway/>Configure Istio Ingress Gateway</a></li><li role=none><a role=treeitem href=/v1.5/docs/examples/microservices-istio/logs-istio/>Monitoring with Istio</a></li></ul></li></ul></div></div><div class=card><button class="header dynamic" id=card113 title="Concepts, tools, and techniques to deploy and manage an Istio mesh." aria-controls=card113-body><svg class="icon"><use xlink:href="/v1.5/img/icons.svg#guide"/></svg>Operations</button><div class=body aria-labelledby=card113 role=region id=card113-body><ul role=tree aria-expanded=true aria-labelledby=card113><li role=treeitem aria-label=Deployment><button aria-hidden=true></button><a title="Requirements, concepts, and considerations for setting up an Istio deployment." href=/v1.5/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=/v1.5/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=/v1.5/docs/ops/deployment/deployment-models/>Deployment Models</a></li><li role=none><a role=treeitem title="Istio performance and scalability summary." href=/v1.5/docs/ops/deployment/performance-and-scalability/>Performance and Scalability</a></li><li role=none><a role=treeitem title="Prepare your Kubernetes pods and services to run in an Istio-enabled cluster." href=/v1.5/docs/ops/deployment/requirements/>Pods and Services</a></li></ul></li><li role=treeitem aria-label=Configuration><button aria-hidden=true></button><a title="Advanced concepts and features for configuring a running Istio mesh." href=/v1.5/docs/ops/configuration/>Configuration</a><ul role=group aria-expanded=false><li role=treeitem aria-label="Mesh Configuration"><button aria-hidden=true></button><a title="Helps you manage the global mesh configuration." href=/v1.5/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=/v1.5/docs/ops/configuration/mesh/webhook/>Dynamic Admission Webhooks Overview</a></li><li role=none><a role=treeitem title="Describes Istio's use of Kubernetes webhooks for automatic sidecar injection." href=/v1.5/docs/ops/configuration/mesh/injection-concepts/>Automatic Sidecar Injection</a></li><li role=none><a role=treeitem title="Describes how Citadel determines whether to create service account secrets." href=/v1.5/docs/ops/configuration/mesh/secret-creation/>Service Account Secret Creation</a></li><li role=none><a role=treeitem title="Shows how to do health checking for Istio services." href=/v1.5/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></button><a title="Helps you manage the networking aspects of a running mesh." href=/v1.5/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=/v1.5/docs/ops/configuration/traffic-management/protocol-selection/>Protocol Selection</a></li><li role=none><a role=treeitem title="Information on how to enable and understand Locality Load Balancing." href=/v1.5/docs/ops/configuration/traffic-management/locality-load-balancing/>Locality Load Balancing</a></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true></button><a title="Helps you manage the security aspects of a running mesh." href=/v1.5/docs/ops/configuration/security/>Security</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Use hardened container images to reduce Istio's attack surface." href=/v1.5/docs/ops/configuration/security/harden-docker-images/>Harden Docker Container Images</a></li><li role=none><a role=treeitem title="Learn how to extend the lifetime of the Istio self-signed root certificate." href=/v1.5/docs/ops/configuration/security/root-transition/>Extending Self-Signed Certificate Lifetime</a></li></ul></li><li role=treeitem aria-label=Observability><button aria-hidden=true></button><a title="Helps you manage telemetry collection and visualization in a running mesh." href=/v1.5/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=/v1.5/docs/ops/configuration/telemetry/envoy-stats/>Envoy Statistics</a></li></ul></li></ul></li><li role=treeitem aria-label="Best Practices"><button aria-hidden=true></button><a title="Best practices for setting up and managing an Istio service mesh." href=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/docs/ops/best-practices/observability/>Observability Best Practices</a></li></ul></li><li role=treeitem aria-label="Common Problems"><button aria-hidden=true></button><a title="Describes how to identify and resolve common problems in Istio." href=/v1.5/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=/v1.5/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=/v1.5/docs/ops/common-problems/security-issues/>Security Problems</a></li><li role=none><a role=treeitem title="Dealing with telemetry collection issues." href=/v1.5/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=/v1.5/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=/v1.5/docs/ops/common-problems/validation/>Configuration Validation Problems</a></li></ul></li><li role=treeitem aria-label="Diagnostic Tools"><button aria-hidden=true></button><a title="Tools and techniques to help troubleshoot an Istio mesh." href=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/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=/v1.5/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 individual running components." href=/v1.5/docs/ops/diagnostic-tools/controlz/>Component 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=/v1.5/docs/ops/diagnostic-tools/component-logging/>Component Logging</a></li></ul></li></ul></div></div><div class=card><button class="header dynamic" id=card161 title="Detailed authoritative reference material such as command-line options, configuration options, and API calling parameters." aria-controls=card161-body><svg class="icon"><use xlink:href="/v1.5/img/icons.svg#reference"/></svg>Reference</button><div class="body default" aria-labelledby=card161 role=region id=card161-body><ul role=tree aria-expanded=true aria-labelledby=card161><li role=treeitem aria-label=Configuration><button class=show aria-hidden=true></button><a title="Detailed information on configuration options." href=/v1.5/docs/reference/config/>Configuration</a><ul role=group aria-expanded=true><li role=none><a role=treeitem title="Describes the options available when installing Istio using Helm charts." href=/v1.5/docs/reference/config/installation-options/>Installation Options (Helm)</a></li><li role=none><a role=treeitem title="Configuration affecting the service mesh as a whole." href=/v1.5/docs/reference/config/istio.mesh.v1alpha1/>Global Mesh Options</a></li><li role=none><a role=treeitem title="Configuration affecting Istio control plane installation version and shape." href=/v1.5/docs/reference/config/istio.operator.v1alpha1/>IstioOperator Options</a></li><li role=treeitem aria-label="Traffic Management"><button class=show aria-hidden=true></button><a title="Describes how to configure HTTP/TCP routing features." href=/v1.5/docs/reference/config/networking/>Traffic Management</a><ul role=group aria-expanded=true class=leaf-section><li role=none><a role=treeitem title="Configuration affecting load balancing, outlier detection, etc." href=/v1.5/docs/reference/config/networking/destination-rule/>Destination Rule</a></li><li role=none><a role=treeitem title="Customizing Envoy configuration generated by Istio." href=/v1.5/docs/reference/config/networking/envoy-filter/>Envoy Filter</a></li><li role=none><a role=treeitem title="Configuration affecting edge load balancer." href=/v1.5/docs/reference/config/networking/gateway/>Gateway</a></li><li role=none><a role=treeitem title="Configuration affecting label/content routing, sni routing, etc." href=/v1.5/docs/reference/config/networking/virtual-service/>Virtual Service</a></li><li role=none><a role=treeitem title="Configuration affecting network reachability of a sidecar." href=/v1.5/docs/reference/config/networking/sidecar/>Sidecar</a></li><li role=none><span role=treeitem class=current title="Configuration affecting service registry.">Service Entry</span></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true></button><a title="Describes how to configure Istio's security features." href=/v1.5/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=/v1.5/docs/reference/config/security/jwt/>JWTRule</a></li><li role=none><a role=treeitem title="Request authentication configuration for workloads." href=/v1.5/docs/reference/config/security/request_authentication/>RequestAuthentication</a></li><li role=none><a role=treeitem title="Peer authentication configuration for workloads." href=/v1.5/docs/reference/config/security/peer_authentication/>PeerAuthentication</a></li><li role=none><a role=treeitem title="Authentication policy for Istio services." href=/v1.5/docs/reference/config/security/istio.authentication.v1alpha1/>Authentication Policy</a></li><li role=none><a role=treeitem title="Configuration for access control on workloads." href=/v1.5/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=/v1.5/docs/reference/config/security/conditions/>Authorization Policy Conditions</a></li><li role=none><a role=treeitem title="Configuration for Role Based Access Control." href=/v1.5/docs/reference/config/security/istio.rbac.v1alpha1/>RBAC (deprecated)</a></li><li role=none><a role=treeitem title="Describes the supported constraints and properties." href=/v1.5/docs/reference/config/security/constraints-and-properties/>RBAC Constraints and Properties (deprecated)</a></li></ul></li><li role=treeitem aria-label="Telemetry V2"><button aria-hidden=true></button><a title="Describes how to configure Istio telemetry V2." href=/v1.5/docs/reference/config/telemetry/>Telemetry V2</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Istio standard metrics exported by Istio telemetry." href=/v1.5/docs/reference/config/telemetry/metrics/>Istio Standard Metrics</a></li><li role=none><a role=treeitem title="How to configure v2 metrics (experimental)." href=/v1.5/docs/reference/config/telemetry/configurable_metrics/>Configurable Metrics (Experimental)</a></li><li role=none><a role=treeitem title="How to enable Telemetry V2 with Wasm runtime (experimental)." href=/v1.5/docs/reference/config/telemetry/telemetry_v2_with_wasm/>Telemetry V2 with Wasm runtime (Experimental)</a></li></ul></li><li role=none><a role=treeitem title="Resource annotations used by Istio." href=/v1.5/docs/reference/config/annotations/>Resource Annotations</a></li><li role=treeitem aria-label="Configuration Analysis Messages"><button aria-hidden=true></button><a title="Documents the individual error and warning messages produced during configurarion analysis." href=/v1.5/docs/reference/config/analysis/>Configuration Analysis Messages</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/message-format/>Analyzer Message Format</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0109/>ConflictingMeshGatewayVirtualServiceHosts</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0110/>ConflictingSidecarWorkloadSelectors</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0002/>Deprecated</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0107/>MisplacedAnnotation</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0104/>GatewayPortNotOnWorkload</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0001/>InternalError</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0105/>IstioProxyImageMismatch</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0119/>JwtFailureDueToInvalidServicePortPrefix</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0113/>MTLSPolicyConflict</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0111/>MultipleSidecarsWithoutWorkloadSelectors</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0102/>NamespaceNotInjected</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0112/>VirtualServiceDestinationPortSelectorRequired</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0108/>UnknownAnnotation</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0106/>SchemaValidationError</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0101/>ReferencedResourceNotFound</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0118/>PortNameIsNotUnderNamingConvention</a></li><li role=none><a role=treeitem href=/v1.5/docs/reference/config/analysis/ist0103/>PodMissingProxy</a></li></ul></li><li role=treeitem aria-label="Mixer Policies and Telemetry (Deprecated)"><button aria-hidden=true></button><a title="Describes how to configure Mixer's policy and telemetry features." href=/v1.5/docs/reference/config/policy-and-telemetry/>Mixer Policies and Telemetry (Deprecated)</a><ul role=group aria-expanded=false><li role=none><a role=treeitem title="Configuration state for the Mixer client library." href=/v1.5/docs/reference/config/policy-and-telemetry/istio.mixer.v1.config.client/>Mixer Client</a></li><li role=none><a role=treeitem title="Describes the rules used to configure Mixer's policy and telemetry features." href=/v1.5/docs/reference/config/policy-and-telemetry/istio.policy.v1beta1/>Rules</a></li><li role=none><a role=treeitem title="Describes the configuration model for Istio's policy enforcement and telemetry mechanisms." href=/v1.5/docs/reference/config/policy-and-telemetry/mixer-overview/>Mixer Configuration Model (Deprecated)</a></li><li role=none><a role=treeitem title="Describes the base attribute vocabulary used for policy and control." href=/v1.5/docs/reference/config/policy-and-telemetry/attribute-vocabulary/>Attribute Vocabulary (Deprecated)</a></li><li role=none><a role=treeitem title="Mixer configuration expression language reference." href=/v1.5/docs/reference/config/policy-and-telemetry/expression-language/>Expression Language</a></li><li role=treeitem aria-label="Mixer Adapters (Deprecated)"><button aria-hidden=true></button><a title="Mixer adapters allow Istio to interface to a variety of infrastructure backends for such things as metrics and logs." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/>Mixer Adapters (Deprecated)</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Adapter to deliver metrics to Apache SkyWalking." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/apache-skywalking/>Apache SkyWalking</a></li><li role=none><a role=treeitem title="Adapter for Apigee's distributed policy checks and analytics." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/apigee/>Apigee</a></li><li role=none><a role=treeitem title="Adapter to enforce authentication and authorization policies for web apps and APIs." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/app-identity-access-adapter/>App Identity and Access</a></li><li role=none><a role=treeitem title="Adapter for circonus.com's monitoring solution." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/circonus/>Circonus</a></li><li role=none><a role=treeitem title="Adapter for cloudmonitor metrics." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/cloudmonitor/>CloudMonitor</a></li><li role=none><a role=treeitem title="Adapter for cloudwatch metrics." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/cloudwatch/>CloudWatch</a></li><li role=none><a role=treeitem title="Adapter to deliver metrics to a dogstatsd agent for delivery to DataDog." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/datadog/>Datadog</a></li><li role=none><a role=treeitem title="Adapter to deliver tracing data to Zipkin." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/zipkin/>Zipkin</a></li><li role=none><a role=treeitem title="Adapter that always returns a precondition denial." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/denier/>Denier</a></li><li role=none><a role=treeitem title="An Istio Mixer adapter to send telemetry data to New Relic." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/newrelic/>New Relic</a></li><li role=none><a role=treeitem title="Adapter that delivers logs to a Fluentd daemon." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/fluentd/>Fluentd</a></li><li role=none><a role=treeitem title="Adapter that extracts information from a Kubernetes environment." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/kubernetesenv/>Kubernetes Env</a></li><li role=none><a role=treeitem title="Adapter to deliver metrics to Layer5." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/layer5/>Layer5</a></li><li role=none><a role=treeitem title="Adapter that performs whitelist or blacklist checks." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/list/>List</a></li><li role=none><a role=treeitem title="Adapter for a simple in-memory quota management system." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/memquota/>Memory quota</a></li><li role=none><a role=treeitem title="Adapter that implements an Open Policy Agent engine." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/opa/>OPA</a></li><li role=none><a role=treeitem title="Adapter to deliver metrics to Wavefront by VMware." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/wavefront/>Wavefront by VMware</a></li><li role=none><a role=treeitem title="Adapter to locally output logs and metrics." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/stdio/>Stdio</a></li><li role=none><a role=treeitem title="Adapter to deliver metrics to a StatsD backend." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/statsd/>StatsD</a></li><li role=none><a role=treeitem title="Adapter to deliver logs, metrics, and traces to Stackdriver." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/stackdriver/>Stackdriver</a></li><li role=none><a role=treeitem title="Adapter to deliver logs and metrics to Papertrail and AppOptics backends." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/solarwinds/>SolarWinds</a></li><li role=none><a role=treeitem title="Adapter for a Redis-based quota management system." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/redisquota/>Redis Quota</a></li><li role=none><a role=treeitem title="Adapter that exposes Istio metrics for ingestion by a Prometheus harvester." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/prometheus/>Prometheus</a></li></ul></li><li role=none><a role=treeitem title="Default Metrics exported from Istio through Mixer." href=/v1.5/docs/reference/config/policy-and-telemetry/metrics/>Default Metrics</a></li><li role=treeitem aria-label=Templates><button aria-hidden=true></button><a title="Mixer templates are used to send data to individual adapters." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/>Templates</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="A template that represents a single API key." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/apikey/>API Key</a></li><li role=none><a role=treeitem title="A template used to represent an access control query." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/authorization/>Authorization</a></li><li role=none><a role=treeitem title="A template that carries no data, useful for testing." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/checknothing/>Check Nothing</a></li><li role=none><a role=treeitem title="A template that is used to control the production of Kubernetes-specific attributes." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/kubernetes/>Kubernetes</a></li><li role=none><a role=treeitem title="A template designed to let you perform list checking operations." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/listentry/>List Entry</a></li><li role=none><a role=treeitem title="A template that represents a single runtime log entry." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/logentry/>Log Entry</a></li><li role=none><a role=treeitem title="A template that represents a single runtime metric." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/metric/>Metric</a></li><li role=none><a role=treeitem title="The Analytics template is used to dispatch runtime telemetry to Apigee." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/analytics/>Analytics</a></li><li role=none><a role=treeitem title="A template that represents an individual span within a distributed trace." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/tracespan/>Trace Span</a></li><li role=none><a role=treeitem title="A template that carries no data, useful for testing." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/reportnothing/>Report Nothing</a></li><li role=none><a role=treeitem title="A template that represents a quota allocation request." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/quota/>Quota</a></li><li role=none><a role=treeitem title="A template designed to report observed communication edges between workloads." href=/v1.5/docs/reference/config/policy-and-telemetry/templates/edge/>Edge</a></li></ul></li></ul></li></ul></li><li role=treeitem aria-label=Commands><button aria-hidden=true></button><a title="Describes usage and options of the Istio commands and utilities." href=/v1.5/docs/reference/commands/>Commands</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Galley provides configuration management services for Istio." href=/v1.5/docs/reference/commands/galley/>galley</a></li><li role=none><a role=treeitem title="Istio Certificate Authority (CA)." href=/v1.5/docs/reference/commands/istio_ca/>istio_ca</a></li><li role=none><a role=treeitem title="Istio control interface." href=/v1.5/docs/reference/commands/istioctl/>istioctl</a></li><li role=none><a role=treeitem title="Mixer is Istio's abstraction on top of infrastructure backends." href=/v1.5/docs/reference/commands/mixs/>mixs</a></li><li role=none><a role=treeitem title="Kubernetes webhook for automatic Istio sidecar injection." href=/v1.5/docs/reference/commands/sidecar-injector/>sidecar-injector</a></li><li role=none><a role=treeitem title="Istio Pilot." href=/v1.5/docs/reference/commands/pilot-discovery/>pilot-discovery</a></li><li role=none><a role=treeitem title="Istio Pilot agent." href=/v1.5/docs/reference/commands/pilot-agent/>pilot-agent</a></li><li role=none><a role=treeitem title="The Istio operator." href=/v1.5/docs/reference/commands/operator/>operator</a></li><li role=none><a role=treeitem title="Istio security per-node agent." href=/v1.5/docs/reference/commands/node_agent/>node_agent</a></li></ul></li><li role=none><a role=treeitem title="A glossary of common Istio terms." href=/v1.5/docs/reference/glossary/>Glossary</a></li></ul></div></div></div></nav></div><div class=article-container><button tabindex=-1 id=sidebar-toggler title="Toggle the navigation bar"><svg class="icon"><use xlink:href="/v1.5/img/icons.svg#pull"/></svg></button><nav aria-label=Breadcrumb><ol><li><a href=/v1.5/ title="Connect, secure, control, and observe services.">Istio</a></li><li><a href=/v1.5/docs/ title="Learn how to deploy, use, and operate Istio.">Docs</a></li><li><a href=/v1.5/docs/reference/ title="Detailed authoritative reference material such as command-line options, configuration options, and API calling parameters.">Reference</a></li><li><a href=/v1.5/docs/reference/config/ title="Detailed information on configuration options.">Configuration</a></li><li><a href=/v1.5/docs/reference/config/networking/ title="Describes how to configure HTTP/TCP routing features.">Traffic Management</a></li><li>Service Entry</li></ol></nav><article aria-labelledby=title><div class=title-area><div style=width:100%><h1 id=title>Service Entry</h1><p class=byline><span title="2557 words"><svg class="icon"><use xlink:href="/v1.5/img/icons.svg#clock"/></svg><span>&nbsp;</span>13 minute read</span></p></div></div><nav class=toc-inlined aria-label="Table of Contents"><div><hr><ol><li role=none aria-label=ServiceEntry><a href=#ServiceEntry>ServiceEntry</a><li role=none aria-label=ServiceEntry.Endpoint><a href=#ServiceEntry-Endpoint>ServiceEntry.Endpoint</a><li role=none aria-label=ServiceEntry.Location><a href=#ServiceEntry-Location>ServiceEntry.Location</a><li role=none aria-label=ServiceEntry.Resolution><a href=#ServiceEntry-Resolution>ServiceEntry.Resolution</a></ol><hr></div></nav><p><code>ServiceEntry</code> enables adding additional entries into Istio&rsquo;s internal
service registry, so that auto-discovered services in the mesh can
access/route to these manually specified services. A service entry
describes the properties of a service (DNS name, VIPs, ports, protocols,
endpoints). These services could be external to the mesh (e.g., web
APIs) or mesh-internal services that are not part of the platform&rsquo;s
service registry (e.g., a set of VMs talking to services in Kubernetes).</p><p>The following example declares a few external APIs accessed by internal
applications over HTTPS. The sidecar inspects the SNI value in the
ClientHello message to route to the appropriate external service.</p><div id=tabset-docs-reference-config-networking-service-entry-1 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-1-0-panel id=tabset-docs-reference-config-networking-service-entry-1-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-1-1-panel id=tabset-docs-reference-config-networking-service-entry-1-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-1-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-1-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: external-svc-https
spec:
hosts:
- api.dropboxapi.com
- www.googleapis.com
- api.facebook.com
location: MESH_EXTERNAL
ports:
- number: 443
name: https
protocol: TLS
resolution: DNS
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-1-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-1-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
name: external-svc-https
spec:
hosts:
- api.dropboxapi.com
- www.googleapis.com
- api.facebook.com
location: MESH_EXTERNAL
ports:
- number: 443
name: https
protocol: TLS
resolution: DNS
</code></pre></div></div></div><p>The following configuration adds a set of MongoDB instances running on
unmanaged VMs to Istio&rsquo;s registry, so that these services can be treated
as any other service in the mesh. The associated DestinationRule is used
to initiate mTLS connections to the database instances.</p><div id=tabset-docs-reference-config-networking-service-entry-2 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-2-0-panel id=tabset-docs-reference-config-networking-service-entry-2-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-2-1-panel id=tabset-docs-reference-config-networking-service-entry-2-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-2-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-2-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: external-svc-mongocluster
spec:
hosts:
- mymongodb.somedomain # not used
addresses:
- 192.192.192.192/24 # VIPs
ports:
- number: 27018
name: mongodb
protocol: MONGO
location: MESH_INTERNAL
resolution: STATIC
endpoints:
- address: 2.2.2.2
- address: 3.3.3.3
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-2-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-2-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
name: external-svc-mongocluster
spec:
hosts:
- mymongodb.somedomain # not used
addresses:
- 192.192.192.192/24 # VIPs
ports:
- number: 27018
name: mongodb
protocol: MONGO
location: MESH_INTERNAL
resolution: STATIC
endpoints:
- address: 2.2.2.2
- address: 3.3.3.3
</code></pre></div></div></div><p>and the associated DestinationRule</p><div id=tabset-docs-reference-config-networking-service-entry-3 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-3-0-panel id=tabset-docs-reference-config-networking-service-entry-3-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-3-1-panel id=tabset-docs-reference-config-networking-service-entry-3-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-3-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-3-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: mtls-mongocluster
spec:
host: mymongodb.somedomain
trafficPolicy:
tls:
mode: MUTUAL
clientCertificate: /etc/certs/myclientcert.pem
privateKey: /etc/certs/client_private_key.pem
caCertificates: /etc/certs/rootcacerts.pem
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-3-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-3-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:
name: mtls-mongocluster
spec:
host: mymongodb.somedomain
trafficPolicy:
tls:
mode: MUTUAL
clientCertificate: /etc/certs/myclientcert.pem
privateKey: /etc/certs/client_private_key.pem
caCertificates: /etc/certs/rootcacerts.pem
</code></pre></div></div></div><p>The following example uses a combination of service entry and TLS
routing in a virtual service to steer traffic based on the SNI value to
an internal egress firewall.</p><div id=tabset-docs-reference-config-networking-service-entry-4 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-4-0-panel id=tabset-docs-reference-config-networking-service-entry-4-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-4-1-panel id=tabset-docs-reference-config-networking-service-entry-4-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-4-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-4-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: external-svc-redirect
spec:
hosts:
- wikipedia.org
- &quot;*.wikipedia.org&quot;
location: MESH_EXTERNAL
ports:
- number: 443
name: https
protocol: TLS
resolution: NONE
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-4-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-4-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
name: external-svc-redirect
spec:
hosts:
- wikipedia.org
- &quot;*.wikipedia.org&quot;
location: MESH_EXTERNAL
ports:
- number: 443
name: https
protocol: TLS
resolution: NONE
</code></pre></div></div></div><p>And the associated VirtualService to route based on the SNI value.</p><div id=tabset-docs-reference-config-networking-service-entry-5 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-5-0-panel id=tabset-docs-reference-config-networking-service-entry-5-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-5-1-panel id=tabset-docs-reference-config-networking-service-entry-5-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-5-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-5-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: tls-routing
spec:
hosts:
- wikipedia.org
- &quot;*.wikipedia.org&quot;
tls:
- match:
- sniHosts:
- wikipedia.org
- &quot;*.wikipedia.org&quot;
route:
- destination:
host: internal-egress-firewall.ns1.svc.cluster.local
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-5-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-5-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
name: tls-routing
spec:
hosts:
- wikipedia.org
- &quot;*.wikipedia.org&quot;
tls:
- match:
- sniHosts:
- wikipedia.org
- &quot;*.wikipedia.org&quot;
route:
- destination:
host: internal-egress-firewall.ns1.svc.cluster.local
</code></pre></div></div></div><p>The virtual service with TLS match serves to override the default SNI
match. In the absence of a virtual service, traffic will be forwarded to
the wikipedia domains.</p><p>The following example demonstrates the use of a dedicated egress gateway
through which all external service traffic is forwarded.
The &lsquo;exportTo&rsquo; field allows for control over the visibility of a service
declaration to other namespaces in the mesh. By default, a service is exported
to all namespaces. The following example restricts the visibility to the
current namespace, represented by &ldquo;.&rdquo;, so that it cannot be used by other
namespaces.</p><div id=tabset-docs-reference-config-networking-service-entry-6 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-6-0-panel id=tabset-docs-reference-config-networking-service-entry-6-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-6-1-panel id=tabset-docs-reference-config-networking-service-entry-6-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-6-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-6-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: external-svc-httpbin
namespace : egress
spec:
hosts:
- httpbin.com
exportTo:
- &quot;.&quot;
location: MESH_EXTERNAL
ports:
- number: 80
name: http
protocol: HTTP
resolution: DNS
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-6-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-6-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
name: external-svc-httpbin
namespace : egress
spec:
hosts:
- httpbin.com
exportTo:
- &quot;.&quot;
location: MESH_EXTERNAL
ports:
- number: 80
name: http
protocol: HTTP
resolution: DNS
</code></pre></div></div></div><p>Define a gateway to handle all egress traffic.</p><div id=tabset-docs-reference-config-networking-service-entry-7 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-7-0-panel id=tabset-docs-reference-config-networking-service-entry-7-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-7-1-panel id=tabset-docs-reference-config-networking-service-entry-7-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-7-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-7-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: istio-egressgateway
namespace: istio-system
spec:
selector:
istio: egressgateway
servers:
- port:
number: 80
name: http
protocol: HTTP
hosts:
- &quot;*&quot;
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-7-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-7-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: Gateway
metadata:
name: istio-egressgateway
namespace: istio-system
spec:
selector:
istio: egressgateway
servers:
- port:
number: 80
name: http
protocol: HTTP
hosts:
- &quot;*&quot;
</code></pre></div></div></div><p>And the associated <code>VirtualService</code> to route from the sidecar to the
gateway service (<code>istio-egressgateway.istio-system.svc.cluster.local</code>), as
well as route from the gateway to the external service. Note that the
virtual service is exported to all namespaces enabling them to route traffic
through the gateway to the external service. Forcing traffic to go through
a managed middle proxy like this is a common practice.</p><div id=tabset-docs-reference-config-networking-service-entry-8 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-8-0-panel id=tabset-docs-reference-config-networking-service-entry-8-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-8-1-panel id=tabset-docs-reference-config-networking-service-entry-8-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-8-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-8-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: gateway-routing
namespace: egress
spec:
hosts:
- httpbin.com
exportTo:
- &quot;*&quot;
gateways:
- mesh
- istio-egressgateway
http:
- match:
- port: 80
gateways:
- mesh
route:
- destination:
host: istio-egressgateway.istio-system.svc.cluster.local
- match:
- port: 80
gateways:
- istio-egressgateway
route:
- destination:
host: httpbin.com
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-8-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-8-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
name: gateway-routing
namespace: egress
spec:
hosts:
- httpbin.com
exportTo:
- &quot;*&quot;
gateways:
- mesh
- istio-egressgateway
http:
- match:
- port: 80
gateways:
- mesh
route:
- destination:
host: istio-egressgateway.istio-system.svc.cluster.local
- match:
- port: 80
gateways:
- istio-egressgateway
route:
- destination:
host: httpbin.com
</code></pre></div></div></div><p>The following example demonstrates the use of wildcards in the hosts for
external services. If the connection has to be routed to the IP address
requested by the application (i.e. application resolves DNS and attempts
to connect to a specific IP), the discovery mode must be set to <code>NONE</code>.</p><div id=tabset-docs-reference-config-networking-service-entry-9 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-9-0-panel id=tabset-docs-reference-config-networking-service-entry-9-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-9-1-panel id=tabset-docs-reference-config-networking-service-entry-9-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-9-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-9-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: external-svc-wildcard-example
spec:
hosts:
- &quot;*.bar.com&quot;
location: MESH_EXTERNAL
ports:
- number: 80
name: http
protocol: HTTP
resolution: NONE
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-9-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-9-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
name: external-svc-wildcard-example
spec:
hosts:
- &quot;*.bar.com&quot;
location: MESH_EXTERNAL
ports:
- number: 80
name: http
protocol: HTTP
resolution: NONE
</code></pre></div></div></div><p>The following example demonstrates a service that is available via a
Unix Domain Socket on the host of the client. The resolution must be
set to STATIC to use Unix address endpoints.</p><div id=tabset-docs-reference-config-networking-service-entry-10 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-10-0-panel id=tabset-docs-reference-config-networking-service-entry-10-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-10-1-panel id=tabset-docs-reference-config-networking-service-entry-10-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-10-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-10-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: unix-domain-socket-example
spec:
hosts:
- &quot;example.unix.local&quot;
location: MESH_EXTERNAL
ports:
- number: 80
name: http
protocol: HTTP
resolution: STATIC
endpoints:
- address: unix:///var/run/example/socket
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-10-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-10-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
name: unix-domain-socket-example
spec:
hosts:
- &quot;example.unix.local&quot;
location: MESH_EXTERNAL
ports:
- number: 80
name: http
protocol: HTTP
resolution: STATIC
endpoints:
- address: unix:///var/run/example/socket
</code></pre></div></div></div><p>For HTTP-based services, it is possible to create a <code>VirtualService</code>
backed by multiple DNS addressable endpoints. In such a scenario, the
application can use the <code>HTTP_PROXY</code> environment variable to transparently
reroute API calls for the <code>VirtualService</code> to a chosen backend. For
example, the following configuration creates a non-existent external
service called foo.bar.com backed by three domains: us.foo.bar.com:8080,
uk.foo.bar.com:9080, and in.foo.bar.com:7080</p><div id=tabset-docs-reference-config-networking-service-entry-11 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-11-0-panel id=tabset-docs-reference-config-networking-service-entry-11-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-11-1-panel id=tabset-docs-reference-config-networking-service-entry-11-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-11-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-11-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: external-svc-dns
spec:
hosts:
- foo.bar.com
location: MESH_EXTERNAL
ports:
- number: 80
name: http
protocol: HTTP
resolution: DNS
endpoints:
- address: us.foo.bar.com
ports:
https: 8080
- address: uk.foo.bar.com
ports:
https: 9080
- address: in.foo.bar.com
ports:
https: 7080
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-11-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-11-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
name: external-svc-dns
spec:
hosts:
- foo.bar.com
location: MESH_EXTERNAL
ports:
- number: 80
name: http
protocol: HTTP
resolution: DNS
endpoints:
- address: us.foo.bar.com
ports:
https: 8080
- address: uk.foo.bar.com
ports:
https: 9080
- address: in.foo.bar.com
ports:
https: 7080
</code></pre></div></div></div><p>With <code>HTTP_PROXY=http://localhost/</code>, calls from the application to
<code>http://foo.bar.com</code> will be load balanced across the three domains
specified above. In other words, a call to <code>http://foo.bar.com/baz</code> would
be translated to <code>http://uk.foo.bar.com/baz</code>.</p><p>The following example illustrates the usage of a <code>ServiceEntry</code>
containing a subject alternate name
whose format conforms to the <a href=https://github.com/spiffe/spiffe/blob/master/standards/SPIFFE-ID.md>SPIFFE standard</a>:</p><div id=tabset-docs-reference-config-networking-service-entry-12 role=tablist class=tabset><div class=tab-strip data-category-name=example><button aria-selected=true data-category-value=v1alpha3 aria-controls=tabset-docs-reference-config-networking-service-entry-12-0-panel id=tabset-docs-reference-config-networking-service-entry-12-0-tab role=tab><span>v1alpha3</span>
</button><button tabindex=-1 data-category-value=v1beta1 aria-controls=tabset-docs-reference-config-networking-service-entry-12-1-panel id=tabset-docs-reference-config-networking-service-entry-12-1-tab role=tab><span>v1beta1</span></button></div><div class=tab-content><div id=tabset-docs-reference-config-networking-service-entry-12-0-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-12-0-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
name: httpbin
namespace : httpbin-ns
spec:
hosts:
- httpbin.com
location: MESH_INTERNAL
ports:
- number: 80
name: http
protocol: HTTP
resolution: STATIC
endpoints:
- address: 2.2.2.2
- address: 3.3.3.3
subjectAltNames:
- &quot;spiffe://cluster.local/ns/httpbin-ns/sa/httpbin-service-account&quot;
</code></pre></div><div hidden id=tabset-docs-reference-config-networking-service-entry-12-1-panel role=tabpanel tabindex=0 aria-labelledby=tabset-docs-reference-config-networking-service-entry-12-1-tab><pre><code class=language-yaml>apiVersion: networking.istio.io/v1beta1
kind: ServiceEntry
metadata:
name: httpbin
namespace : httpbin-ns
spec:
hosts:
- httpbin.com
location: MESH_INTERNAL
ports:
- number: 80
name: http
protocol: HTTP
resolution: STATIC
endpoints:
- address: 2.2.2.2
- address: 3.3.3.3
subjectAltNames:
- &quot;spiffe://cluster.local/ns/httpbin-ns/sa/httpbin-service-account&quot;
</code></pre></div></div></div><h2 id=ServiceEntry>ServiceEntry</h2><section><p>ServiceEntry enables adding additional entries into Istio&rsquo;s internal
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=ServiceEntry-hosts><td><code>hosts</code></td><td><code>string[]</code></td><td><p>The hosts associated with the ServiceEntry. Could be a DNS
name with wildcard prefix.</p><ol><li>The hosts field is used to select matching hosts in VirtualServices and DestinationRules.</li><li>For HTTP traffic the HTTP Host/Authority header will be matched against the hosts field.</li><li>For HTTPs or TLS traffic containing Server Name Indication (SNI), the SNI value
will be matched against the hosts field.</li></ol><p>Note that when resolution is set to type DNS
and no endpoints are specified, the host field will be used as the DNS name
of the endpoint to route traffic to.</p></td><td>Yes</td></tr><tr id=ServiceEntry-addresses><td><code>addresses</code></td><td><code>string[]</code></td><td><p>The virtual IP addresses associated with the service. Could be CIDR
prefix. For HTTP traffic, generated route configurations will include http route
domains for both the <code>addresses</code> and <code>hosts</code> field values and the destination will
be identified based on the HTTP Host/Authority header.
If one or more IP addresses are specified,
the incoming traffic will be identified as belonging to this service
if the destination IP matches the IP/CIDRs specified in the addresses
field. If the Addresses field is empty, traffic will be identified
solely based on the destination port. In such scenarios, the port on
which the service is being accessed must not be shared by any other
service in the mesh. In other words, the sidecar will behave as a
simple TCP proxy, forwarding incoming traffic on a specified port to
the specified destination endpoint IP/host. Unix domain socket
addresses are not supported in this field.</p></td><td>No</td></tr><tr id=ServiceEntry-ports><td><code>ports</code></td><td><code><a href=/v1.5/docs/reference/config/networking/gateway.html#Port>Port[]</a></code></td><td><p>The ports associated with the external service. If the
Endpoints are Unix domain socket addresses, there must be exactly one
port.</p></td><td>Yes</td></tr><tr id=ServiceEntry-location><td><code>location</code></td><td><code><a href=#ServiceEntry-Location>Location</a></code></td><td><p>Specify whether the service should be considered external to the mesh
or part of the mesh.</p></td><td>No</td></tr><tr id=ServiceEntry-resolution><td><code>resolution</code></td><td><code><a href=#ServiceEntry-Resolution>Resolution</a></code></td><td><p>Service discovery mode for the hosts. Care must be taken
when setting the resolution mode to NONE for a TCP port without
accompanying IP addresses. In such cases, traffic to any IP on
said port will be allowed (i.e. <code>0.0.0.0:&lt;port></code>).</p></td><td>Yes</td></tr><tr id=ServiceEntry-endpoints><td><code>endpoints</code></td><td><code><a href=#ServiceEntry-Endpoint>Endpoint[]</a></code></td><td><p>One or more endpoints associated with the service.</p></td><td>No</td></tr><tr id=ServiceEntry-export_to><td><code>exportTo</code></td><td><code>string[]</code></td><td><p>A list of namespaces to which this service is exported. Exporting a service
allows it to be used by sidecars, gateways and virtual services defined in
other namespaces. This feature provides a mechanism for service owners
and mesh administrators to control the visibility of services across
namespace boundaries.</p><p>If no namespaces are specified then the service is exported to all
namespaces by default.</p><p>The value &ldquo;.&rdquo; is reserved and defines an export to the same namespace that
the service is declared in. Similarly the value &ldquo;*&rdquo; is reserved and
defines an export to all namespaces.</p><p>For a Kubernetes Service, the equivalent effect can be achieved by setting
the annotation &ldquo;networking.istio.io/exportTo&rdquo; to a comma-separated list
of namespace names.</p><p>NOTE: in the current release, the <code>exportTo</code> value is restricted to
&ldquo;.&rdquo; or &ldquo;*&rdquo; (i.e., the current namespace or all namespaces).</p></td><td>No</td></tr><tr id=ServiceEntry-subject_alt_names><td><code>subjectAltNames</code></td><td><code>string[]</code></td><td><p>The list of subject alternate names allowed for workload instances that
implement this service. This information is used to enforce
<a href=/v1.5/docs/concepts/security/#secure-naming>secure-naming</a>.
If specified, the proxy will verify that the server
certificate&rsquo;s subject alternate name matches one of the specified values.</p></td><td>No</td></tr></tbody></table></section><h2 id=ServiceEntry-Endpoint>ServiceEntry.Endpoint</h2><section><p>Endpoint defines a network address (IP or hostname) associated with
the mesh service.</p><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=ServiceEntry-Endpoint-address><td><code>address</code></td><td><code>string</code></td><td><p>Address associated with the network endpoint without the
port. Domain names can be used if and only if the resolution is set
to DNS, and must be fully-qualified without wildcards. Use the form
unix:///absolute/path/to/socket for Unix domain socket endpoints.</p></td><td>Yes</td></tr><tr id=ServiceEntry-Endpoint-ports><td><code>ports</code></td><td><code>map&lt;string,&nbsp;uint32></code></td><td><p>Set of ports associated with the endpoint. The ports must be
associated with a port name that was declared as part of the
service. Do not use for <code>unix://</code> addresses.</p></td><td>No</td></tr><tr id=ServiceEntry-Endpoint-labels><td><code>labels</code></td><td><code>map&lt;string,&nbsp;string></code></td><td><p>One or more labels associated with the endpoint.</p></td><td>No</td></tr><tr id=ServiceEntry-Endpoint-network><td><code>network</code></td><td><code>string</code></td><td><p>Network enables Istio to group endpoints resident in the same L3
domain/network. All endpoints in the same network are assumed to be
directly reachable from one another. When endpoints in different
networks cannot reach each other directly, an Istio Gateway can be
used to establish connectivity (usually using the
<code>AUTO_PASSTHROUGH</code> mode in a Gateway Server). This is
an advanced configuration used typically for spanning an Istio mesh
over multiple clusters.</p></td><td>No</td></tr><tr id=ServiceEntry-Endpoint-locality><td><code>locality</code></td><td><code>string</code></td><td><p>The locality associated with the endpoint. A locality corresponds
to a failure domain (e.g., country/region/zone). Arbitrary failure
domain hierarchies can be represented by separating each
encapsulating failure domain by /. For example, the locality of an
an endpoint in US, in US-East-1 region, within availability zone
az-1, in data center rack r11 can be represented as
us/us-east-1/az-1/r11. Istio will configure the sidecar to route to
endpoints within the same locality as the sidecar. If none of the
endpoints in the locality are available, endpoints parent locality
(but within the same network ID) will be chosen. For example, if
there are two endpoints in same network (networkID &ldquo;n1&rdquo;), say e1
with locality us/us-east-1/az-1/r11 and e2 with locality
us/us-east-1/az-2/r12, a sidecar from us/us-east-1/az-1/r11 locality
will prefer e1 from the same locality over e2 from a different
locality. Endpoint e2 could be the IP associated with a gateway
(that bridges networks n1 and n2), or the IP associated with a
standard service endpoint.</p></td><td>No</td></tr><tr id=ServiceEntry-Endpoint-weight><td><code>weight</code></td><td><code>uint32</code></td><td><p>The load balancing weight associated with the endpoint. Endpoints
with higher weights will receive proportionally higher traffic.</p></td><td>No</td></tr></tbody></table></section><h2 id=ServiceEntry-Location>ServiceEntry.Location</h2><section><p>Location specifies whether the service is part of Istio mesh or
outside the mesh. Location determines the behavior of several
features, such as service-to-service mTLS authentication, policy
enforcement, etc. When communicating with services outside the mesh,
Istio&rsquo;s mTLS authentication is disabled, and policy enforcement is
performed on the client-side as opposed to server-side.</p><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=ServiceEntry-Location-MESH_EXTERNAL><td><code>MESH_EXTERNAL</code></td><td><p>Signifies that the service is external to the mesh. Typically used
to indicate external services consumed through APIs.</p></td></tr><tr id=ServiceEntry-Location-MESH_INTERNAL><td><code>MESH_INTERNAL</code></td><td><p>Signifies that the service is part of the mesh. Typically used to
indicate services added explicitly as part of expanding the service
mesh to include unmanaged infrastructure (e.g., VMs added to a
Kubernetes based service mesh).</p></td></tr></tbody></table></section><h2 id=ServiceEntry-Resolution>ServiceEntry.Resolution</h2><section><p>Resolution determines how the proxy will resolve the IP addresses of
the network endpoints associated with the service, so that it can
route to one of them. The resolution mode specified here has no impact
on how the application resolves the IP address associated with the
service. The application may still have to use DNS to resolve the
service to an IP so that the outbound traffic can be captured by the
Proxy. Alternatively, for HTTP services, the application could
directly communicate with the proxy (e.g., by setting HTTP_PROXY) to
talk to these services.</p><table class=enum-values><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr id=ServiceEntry-Resolution-NONE><td><code>NONE</code></td><td><p>Assume that incoming connections have already been resolved (to a
specific destination IP address). Such connections are typically
routed via the proxy using mechanisms such as IP table REDIRECT/
eBPF. After performing any routing related transformations, the
proxy will forward the connection to the IP address to which the
connection was bound.</p></td></tr><tr id=ServiceEntry-Resolution-STATIC><td><code>STATIC</code></td><td><p>Use the static IP addresses specified in endpoints (see below) as the
backing instances associated with the service.</p></td></tr><tr id=ServiceEntry-Resolution-DNS><td><code>DNS</code></td><td><p>Attempt to resolve the IP address by querying the ambient DNS,
during request processing. If no endpoints are specified, the proxy
will resolve the DNS address specified in the hosts field, if
wildcards are not used. If endpoints are specified, the DNS
addresses specified in the endpoints will be resolved to determine
the destination IP address. DNS resolution cannot be used with Unix
domain socket endpoints.</p></td></tr></tbody></table></section></article><nav class=pagenav><div class=left><a title="Configuration affecting edge load balancer." href=/v1.5/docs/reference/config/networking/gateway/><svg class="icon"><use xlink:href="/v1.5/img/icons.svg#left-arrow"/></svg>Gateway</a></div><div class=right><a title="Configuration affecting network reachability of a sidecar." href=/v1.5/docs/reference/config/networking/sidecar/>Sidecar<svg class="icon"><use xlink:href="/v1.5/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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