sk shows you how to set up Istio authorization policy for TCP traffic in an Istio mesh.</p><h2 id=before-you-begin>Before you begin</h2><p>Before you begin this task, do the following:</p><ul><li><p>Read the <a href=/v1.12/docs/concepts/security/#authorization>Istio authorization concepts</a>.</p></li><li><p>Install Istio using the <a href=/v1.12/docs/setup/install/istioctl/>Istio installation guide</a>.</p></li><li><p>Deploy two workloads named <code>sleep</code> and <code>tcp-echo</code> together in a nam