provider field.
- name: &#34;my-ext-authz-service&#34;
  # The &#34;envoyExtAuthzGrpc&#34; field specifies the type of the external authorization service is implemented by the Envoy
  # ext-authz filter gRPC API. The other supported type is the Envoy ext-authz filter HTTP API.
  # See more in https://www.envoyproxy.io/docs/envoy/v1.16.2/intro/arch_overview/security/ext_authz_filter.
  envoyExtAuthzGrpc:
    # The service and port specifies the address of the external auth service, &#34;ext-authz.istio-syste