k with <code>DENY</code> policy</a></ol><hr></div></nav><h2 id=background>Background</h2><p>This page shows common patterns of using Istio security policies. You may find them useful in your deployment or use this
as a quick reference to example policies.</p><p>The policies demonstrated here are just examples and require changes to adapt to your actual environment
before applying.</p><p>Also read the <a href=/v1.19/docs/tasks/security/authentication/authn-policy>authentication</a> and
<a href=/v1.19/docs/ta