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fix content in ratelimit (#11934) 

* fix content in ratelimit

* update comments
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zirain 2022-09-20 22:53:38 +08:00 committed by GitHub
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commit ae1ef2d118
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content/en/docs/tasks/policy-enforcement/rate-limit/index.md
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@ -72,11 +72,9 @@ backend, is used below.
1. Apply an `EnvoyFilter` to the `ingressgateway` to enable global rate limiting using Envoy's global rate limit filter.
The first patch inserts the
The patch inserts the
`envoy.filters.http.ratelimit` [global envoy filter](https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/filters/http/ratelimit/v3/rate_limit.proto#envoy-v3-api-msg-extensions-filters-http-ratelimit-v3-ratelimit) filter into the `HTTP_FILTER` chain.
The `rate_limit_service` field specifies the external rate limit service, `rate_limit_cluster` in this case.
The second patch defines the `rate_limit_cluster`, which provides the endpoint location of the external rate limit service.
The `rate_limit_service` field specifies the external rate limit service, `outbound|8081||ratelimit.default.svc.cluster.local` in this case.
{{< text bash >}}
$ kubectl apply -f - <<EOF