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Port 43 (nicname)

Document v1 · published by Koskamo · updated 2026-10-04

Original source

Port 43 is an IANA System Port assigned to nicname (Who Is) over TCP and UDP.

  • Port: 43
  • Service nicname: TCP, UDP — Who Is
  • Range: System Ports (0–1023)

Source and provenance

Original source
www.iana.org
Published on Koskamo by
Koskamo
Citation version
Document v1
Reuse
IANA Service Name and Transport Protocol Port Number Registry (iana.org/assignments/service-names-port-numbers), system ports 0-1023; registry data reproduced verbatim with references

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Version history

  1. Published by Koskamo

    Version 1