// REFERENCE
Port 6667 (IRC)
Protocol: TCP
Service: IRC
Medium risk
IRC: classic chat. Historically heavily used as a botnet C2 channel; unexpected outbound IRC traffic from a server usually indicates compromise.
Related tools
Work with this in:
Related
111
Port 111 (RPCbind / Portmapper) 135
Port 135 (MSRPC) 137
Port 137 (NetBIOS Name) 138
Port 138 (NetBIOS Datagram) 1883
Port 1883 (MQTT) 2375
Port 2375 (Docker API)
Port 111 (RPCbind / Portmapper) 135
Port 135 (MSRPC) 137
Port 137 (NetBIOS Name) 138
Port 138 (NetBIOS Datagram) 1883
Port 1883 (MQTT) 2375
Port 2375 (Docker API)
Assignments per the IANA port registry. Educational content.