Chat and messaging ports
5 chat and 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 and messaging ports does SubnetKit list?
5, covering TCP and UDP. 5 of them are formally registered with IANA.
Are chat and messaging ports secure by default?
No. None of the chat and messaging ports here are encrypted by default; wrap them in TLS, SSH, or a VPN if you need to protect the traffic.
Which chat and 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.