own&#34;, conditional(connection.mtls | false, &#34;mutual_tls&#34;, &#34;none&#34;))
</code></pre></li><li><p><strong>Response Flags</strong>: Additional details about the response or connection from proxy.
In case of Envoy, see <code>%RESPONSE_FLAGS%</code> in <a href=https://www.envoyproxy.io/docs/envoy/latest/configuration/observability/access_log/usage#config-access-log-format-response-flags>Envoy Access Log</a>
for more detail.</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>re