Chat & messaging ports
5 chat & messaging ports: what each one does, its protocol, and whether it is secure by default.
SubnetKit lists 5 chat & messaging ports, using TCP and UDP. 5 of 5 are formally registered with IANA rather than just a widely followed convention.
None of the chat & messaging ports here are encrypted by default. Treat traffic on any of them as plain text unless you add TLS, SSH, or a VPN tunnel yourself.
Click any port below for its full page: what it does, its protocol, and whether it is safe to expose.
| Port | Service | Protocol | What it does |
|---|---|---|---|
| 194 | IRC | TCP | Internet Relay Chat |
| 1900 | SSDP | UDP | Simple Service Discovery Protocol |
| 5222 | XMPP | TCP | XMPP client connection |
| 5269 | XMPP server | TCP | XMPP server-to-server |
| 6667 | IRC (de facto) | TCP | Internet Relay Chat |
Frequently asked questions
Which ports are in the Chat & messaging category?
port 194 (IRC), port 1900 (SSDP), port 5222 (XMPP), port 5269 (XMPP server) and port 6667 (IRC (de facto)).
How many chat & messaging ports does SubnetKit list?
5, covering TCP and UDP. 5 of them are formally registered with IANA.
Are chat & messaging ports secure by default?
No. None of the chat & messaging ports here are encrypted by default; wrap them in TLS, SSH, or a VPN if you need to protect the traffic.
Which chat & messaging port has the lowest number?
Port 194 (IRC). Port 194 is the original IANA-registered port for IRC, Internet Relay Chat. In practice almost every IRC network instead listens on port 6667 and its encrypted neighbors, leaving port 194 rarely used.