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
Other ports
Port 2134
Ports those registered with IANA are shown as official ports. The same port number
Port 5067
Port 5067 is typically used for the SIP (Session Initiation Protocol) protocol, which is
Port 7676
Port 7676 is commonly used for communication between a client and server in Oracle
Ports 46000 – 47000
Port 46000- Port 46100 Port 46100- Port 46200 Port 46200- Port 46300 Port 46300-
Ports 30600 – 30700
Port 30600- Port 30700 Port 30700- Port 30800 Port 30800- Port 30900 Port 30900-
Ports 35000 – 36000
Port 35000- Port 35100 Port 35100- Port 35200 Port 35200- Port 35300 Port 35300-
Port 2552
Port 2552 is commonly used for remote administration of a server using the WinRM
Port 1888
Ports those registered with IANA are shown as official ports. The same port number
Port 9750
Ports those registered with IANA are shown as official ports. The same port number
Port 1645
Port 1645 is used for Remote Authentication Dial-In User Service (RADIUS) authentication protocol. It
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