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 2408
Ports those registered with IANA are shown as official ports. The same port number
Port 48129
Ports those registered with IANA are shown as official ports. The same port number
Port 8074
Port 8074 is not assigned to any known service or protocol officially. It may
Port 624
Port 624 is usually used for Apple Network Server (ANS) time protocol or for
Port 1583
Port 1583 is used for the Cisco Discovery Protocol (CDP), which is a proprietary
Port 1932
Ports those registered with IANA are shown as official ports. The same port number
Ports 15700 – 15800
Port 15700- Port 15800 Port 15800- Port 15900 Port 15900- Port 16000 Port 16000-
Port 12172
Ports those registered with IANA are shown as official ports. The same port number
Port 3427
Ports those registered with IANA are shown as official ports. The same port number
Port 24000
Port 24000 is used for file sharing and network communication in various network applications
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