Port 194 — IRC
Quick reference for TCP/UDP port 194, used by IRC. Includes what the service does, security guidance and related ports.
What is port 194?
Internet Relay Chat.
What port does IRC use?
IRC listens on port 194 by default.
Is port 194 open? How to check
Run one of these from your computer, replacing HOST with the IP address or domain you want to test.
nc -zv HOST 194
Test-NetConnection HOST -Port 194
nmap -p 194 HOST
A refused or timed-out connection means the port is closed or filtered by a firewall.
Security guidance
Medium risk — open with care
Port 194 (IRC) can safely face the internet if you keep the software up to date, restrict admin endpoints, and use TLS where possible. Audit who can reach it and watch your logs.
Related ports
Frequently asked
What is port 194 used for?+
Port 194 is the standard TCP/UDP port for IRC. Internet Relay Chat.
What port does IRC use?+
IRC listens on port 194 by default.
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