ip -s -o /dev/null -w &#34;%{http_code}\n&#34;
200
</code></pre></li><li><p>Check the proxy and OPA logs to confirm the result.</p></li></ol><h2 id=summary>Summary</h2><p>In Istio 1.9, the <code>CUSTOM</code> action in the authorization policy allows you to easily integrate Istio with any external
authorization system with the following benefits:</p><ul><li><p>First-class support in the authorization policy API</p></li><li><p>Ease of usage: define the external authorizer simply with a URL and enable with th