</code>:</p><table><thead><tr><th>Protocol</th><th>Port</th></tr></thead><tbody><tr><td>SMTP</td><td>25</td></tr><tr><td>DNS</td><td>53</td></tr><tr><td>MySQL</td><td>3306</td></tr><tr><td>MongoDB</td><td>27017</td></tr></tbody></table><p>Because TLS communication is not server first, TLS encrypted server first traffic will work with automatic protocol detection as long as you make sure that all traffic subjected to TLS sniffing is encrypted:</p><ol><li>Configure <code>mTLS</code> mode <code>STRICT</code> f