Port 55

Modified by:

Port 55 is not a standard port number for any specific protocol or service. It can be used for custom applications or services, but it is not assigned to a specific function.

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 55
tcp
isi-gl
ISI Graphics Language
WELL KNOWN PORT
Port 55
udp
isi-gl
ISI Graphics Language
WELL KNOWN 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 3808
Ports those registered with IANA are shown as official ports. The same port number
Port 2677
Ports those registered with IANA are shown as official ports. The same port number
Port 11163
Port 11163 is typically used for Remote Desktop Protocol (RDP) traffic in a Windows
Port 313
Ports those registered with IANA are shown as official ports. The same port number
Port 9999
Port 9999 is commonly used as a TCP port for various network applications and
Port 9389
Port 9389 is commonly used for communication between the McAfee Agent and McAfee ePolicy
Port 3050
Port 3050 is typically used for Firebird Relational Database Server. Ports those registered with
Port 1625
Port 1625 is registered as a communication port for Hewlett-Packard Data Protector, a backup
Port 7080
Port 7080 is commonly used for web proxy and caching server software, such as
Port 309
Ports those registered with IANA are shown as official ports. The same port number
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