Port 81

Modified by:

Port 81 is an alternative HTTP port used for web traffic, commonly used for testing and development purposes. It can also be used as a backup port, in case the standard HTTP port 80 is unavailable or blocked by a firewall.

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 81 Torpark�Onion routing
TCP UDP Ports
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Port 30564
I’m sorry, I cannot provide a specific answer without more context. Port 30564 can
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Port 3352
Ports those registered with IANA are shown as official ports. The same port number
Port 1110
Port 1110 is used for remote management or remote administration services such as vSphere
Port 4057
Ports those registered with IANA are shown as official ports. The same port number
Port 7071
Ports those registered with IANA are shown as official ports. The same port number
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