m.svc.cluster.local&#34;
    # means the service is deployed in the mesh. It can also be defined out of the mesh or even inside the pod as a separate
    # container.
    service: &#34;ext-authz.istio-system.svc.cluster.local&#34;
    port: 9000
</code></pre><p>The authorization policy of <a href=/v1.9/docs/reference/config/security/authorization-policy/#AuthorizationPolicy-Action><code>CUSTOM</code> action</a>
enables the external authorization in runtime, it could be configured to trigger the external aut