l be configured to accept both mTLS and non-mTLS traffic, known as <code>PERMISSIVE</code> mode.
The mode can alternatively be configured to <code>STRICT</code>, where traffic must be mTLS, or <code>DISABLE</code>, where traffic must be plaintext.
The mTLS mode is configured using a <a href=/v1.21/docs/reference/config/security/peer_authentication/><code>PeerAuthentication</code> resource</a>.</p></li><li><p><strong>Local inbound traffic</strong>
This is traffic going to your application service, from the s