Port 31337

Port 31337 is commonly used for Internet Relay Chat (IRC) and as a backdoor or a “Trojan horse” for remote access to a computer system. However, it can also be used for legitimate purposes such as software development or network testing. It is important to note that some malicious software may also use this port for communication, so it is recommended to monitor network traffic and restrict access to this port if possible.

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

UnOfficial

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

Port Protocol (TCP/UDP) Description
Port 31337 Back Orifice�remote administration tool (often Trojan horse)
TCP UDP Ports
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