XMPP

XMPP Ports XMPP –¬†¬†Extensible Messaging and Presence Protocol (Wikipedia) 5222 TCP XMPP client connection (RFC 3920) Official 5223 TCP XMPP client connection over SSL Unofficial 5269 TCP XMPP server connection (RFC 3920) Official 5298 TCP UDP XMPP JEP-0174: Link-Local Messaging