Port 5221 is used for XMPP (Extensible Messaging and Presence Protocol) client connection through SSL (Secure Sockets Layer) on the internet. XMPP is a protocol used for instant messaging and presence information. It allows users to exchange real-time messages and presence information between each other over the internet. Port 5221 is essential for enabling secure communication between XMPP clients.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 5221 |
tcp |
3exmp |
3eTI Extensible Management for |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |