Before you begin</h2><ul><li><p>Understand Istio <a href=/v1.13/docs/concepts/security/#authentication-policies>authentication policy</a> and related <a href=/v1.13/docs/concepts/security/#mutual-tls-authentication>mutual TLS authentication</a> concepts.</p></li><li><p>Read the <a href=/v1.13/docs/tasks/security/authentication/authn-policy>authentication policy task</a> to
learn how to configure authentication policy.</p></li><li><p>Have a Kubernetes cluster with Istio installed, without global mutual TLS e