Port 31337

Modified by:

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
Other ports
Port 24004
Ports those registered with IANA are shown as official ports. The same port number
Port 13721
Ports those registered with IANA are shown as official ports. The same port number
Port 2958
Ports those registered with IANA are shown as official ports. The same port number
Port 8008
Port 8008 is commonly used for web caching solutions, such as the Squid proxy
Port 4711
Port 4711 is not a standardized port and its usage may vary depending on
Port 5400
Ports those registered with IANA are shown as official ports. The same port number
Ports 13100 – 13200
Port 13100- Port 13200 Port 13200- Port 13300 Port 13300- Port 13400 Port 13400-
Port 217
Port 217 is mostly unused and unassigned by the Internet Assigned Numbers Authority (IANA).
Port 2202
Ports those registered with IANA are shown as official ports. The same port number
Ports 6200 – 6300
Port 6200- Port 6300 Port 6300- Port 6400 Port 6400- Port 6500 Port 6500-
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