Port 2951

Modified by:

Port 2951 is primarily used for the Cisco Network Registrar (CNR) service. It’s an unassigned port used by many protocols and services, and it is also used for the Cisco IOS IP Communications Express.

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 2951
tcp
ottp
OTTP
REGISTERED PORT
Port 2951
udp
ottp
OTTP
REGISTERED 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 1935
Port 1935 is commonly used for streaming audio, video, and multimedia files over the
Port 3361
Port 3361 is most commonly used for the Microsoft SQL Server named instance service.
Port 2120
Port 2120 is typically used for Secure Shell (SSH) connections for file transfer protocol
Port 4328
Ports those registered with IANA are shown as official ports. The same port number
Port 2020
Port 2020 is typically used for file transfer or data exchange between computer systems
Port 347
Port 347 is not a well-known port and does not have a specific assigned
Port 27504
Ports those registered with IANA are shown as official ports. The same port number
Port 1767
Ports those registered with IANA are shown as official ports. The same port number
Port 2072
Port 2072 is typically used for the secure version of Apple AirPort Admin Utility,
Port 1638
Port 1638 is typically used for the Cisco Unified Communications Manager. This port is
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