Port 666

Modified by:

Port 666 is often associated with the “doom” or “doom 2” first-person shooter video games. However, it is also used as an alternate port for Internet Relay Chat (IRC), a protocol used for real-time text messaging or online chatting.

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 666 tcp doom doom Id Software WELL KNOWN PORT
Port 666 udp doom doom Id Software WELL KNOWN PORT
Port 666 tcp mdqs WELL KNOWN PORT
Port 666 udp mdqs WELL KNOWN PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
Other ports
Port 3300
Port 3300 is not assigned to any specific service or application by the Internet
Port 3418
Port 3418 is primarily used for the transmission of RTSP (Real Time Streaming Protocol)
Port 3050
Port 3050 is typically used for Firebird Relational Database Server. Ports those registered with
Port 2396
Port 2396 is commonly used for Secure HTTP (HTTPS) communication with a webserver and
Port 5502
Ports those registered with IANA are shown as official ports. The same port number
Port 3845
Port 3845 is typically used for communication between Cisco routers and services such as
Port 2034
Ports those registered with IANA are shown as official ports. The same port number
Port 7543
Port 7543 is commonly used for connection to TR-069 protocol, which is used in
Port 10800
Port 10800 is commonly used for the IBM WebSphere Application Server SOAP Connector Port.
Port 9303
Ports those registered with IANA are shown as official ports. The same port number
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