 This task assumes:</p><ul><li>You have completed the <a href=/v1.1/docs/tasks/security/authn-policy/>authentication policy</a> task.</li><li>You are familiar with using authentication policy to enable mutual TLS.</li><li>Istio runs on Kubernetes with global mutual TLS enabled. You can follow our <a href=/v1.1/docs/setup/kubernetes/>instructions to install Istio</a>.
If you already have Istio installed, you can add or modify authentication policies and destination rules to enable mutual TLS as described in 