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 9991
Ports those registered with IANA are shown as official ports. The same port number
Ports 57100 – 57200
Port 57100- Port 57200 Port 57200- Port 57300 Port 57300- Port 57400 Port 57400-
Port 8613
Port 8613 is commonly used for the protocol called Tango Distributed Process Execution System
Ports 25000 – 26000
Port 25000- Port 25100 Port 25100- Port 25200 Port 25200- Port 25300 Port 25300-
Port 3619
Port 3619 is commonly used for the online game service called “Gamespy Arcade”. It
Port 2926
Ports those registered with IANA are shown as official ports. The same port number
Port 4170
Port 4170 is not assigned officially by the Internet Assigned Numbers Authority (IANA). It
Ports 21700 – 21800
Port 21700- Port 21800 Port 21800- Port 21900 Port 21900- Port 22000 Port 22000-
Port 10500
Port 10500 is not associated with any specific service or protocol, but it is
Port 5003
Port 5003 is not associated with any specific service or protocol. It is available
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