lookup> port 103

103 ·Port

Genesis Point-to-Point Trans Net (tcp/udp).

tcpudpgppitnp
Status103
Servicegppitnp
Protocoltcp / udp
Well-knownYes (0–1023)

What runs on port 103?

Genesis Point-to-Point Trans Net (tcp/udp).

Well-known ports are assigned by IANA to system-level services; binding them usually requires administrative privileges.

RangeExplanation
Well-known (0–1023)Reserved for system services; binding usually requires admin privileges.
Registered (1024–49151)Available to user applications; IANA registers common services here.
Dynamic / private (49152–65535)Used for ephemeral client connections.

Is port 103 TCP or UDP?

A port number is a transport-layer address used independently by TCP and UDP; gppitnp typically runs over its documented transport protocol.

Can I change what runs on port 103?

Yes — most services let you configure the listening port, but make sure clients and firewalls are updated and you avoid conflicts.

Common services

Related headers

Related status codes

About This Tool

This page provides original, human-reviewed information about network ports such as port 103, the Network Port Reference and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.

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