gle port. The safest option will depend on the type of xpra client
connecting - but generally speaking, <code>ssl</code>, <code>quic</code>
and <code>ssh</code> are considered the safest as they provide host
verification and encryption in one protocol. Each connection can also
combine any number of <a
href="https://github.com/Xpra-org/xpra/blob/master/docs/Usage/Authentication.html#authentication-modules">authentication
modules</a>.</p>
<h3><a href="Logging.html">Logging</a> and diagnostics</h3>
<p>Debuggin