Port 1021 (exp1)

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

Port 1021 is an IANA System Port assigned to exp1 (RFC3692-style Experiment 1) over TCP, UDP, SCTP, and DCCP.

Port: 1021
Service exp1: TCP, UDP, SCTP, DCCP — RFC3692-style Experiment 1 ([1], RFC 4727, RFC 6335)
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

Published by Koskamo2026-10-04
Version 1