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Port 103

Port
Protocol
Service Name
Description
Source
103
TCP UDP
gppitnp
Genesis Point-to-Point Trans Net
IANA
103
 
Skun
simovits.com
103
TCP UDP
gppitnp
Genesis Point-to-Point Trans Net
bekkoame

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A port is an application-specific or process-specific software construct serving as a communications endpoint in a computer's host operating system.

Service names and port numbers are used to distinguish between different services that run over transport protocols such as TCP, UDP, DCCP, and SCTP.

Port numbers are assigned in various ways, based on three ranges: System Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Private Ports (49152-65535);