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 3641
Port 3641 is used for the Joltid PeerCache protocol, which is used for peer-to-peer
Port 2439
Ports those registered with IANA are shown as official ports. The same port number
Port 3436
Ports those registered with IANA are shown as official ports. The same port number
Port 353
Ports those registered with IANA are shown as official ports. The same port number
Port 1833
Port 1833 is often used for communication between Apple devices and their servers for
Port 13821
Ports those registered with IANA are shown as official ports. The same port number
Ports 25500 – 25600
Port 25500- Port 25600 Port 25600- Port 25700 Port 25700- Port 25800 Port 25800-
Port 10544
Ports those registered with IANA are shown as official ports. The same port number
Port 3002
Ports those registered with IANA are shown as official ports. The same port number
Port 7545
Port 7545 is commonly used for communication between a client and a Ethereum blockchain
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