Well-known ports (IANA registry)

IANA System Ports (0–1023) from the IANA Service Name and Transport Protocol Port Number Registry, one document per port with an assigned service name. Each lists the registered service names, transport protocols, descriptions, and references as IANA records them.

Browse 686 documents Use with your agent

Documents

Showing 529–552 of 686 documents

Document	Version
Port 660 (mac-srvr-admin) Port 660 is an IANA System Port assigned to mac-srvr-admin (MacOS Server Admin) over TCP and UDP.	v1
Port 661 (hap) Port 661 is an IANA System Port assigned to hap (HAP) over TCP and UDP.	v1
Port 662 (pftp) Port 662 is an IANA System Port assigned to pftp (PFTP) over TCP and UDP.	v1
Port 663 (purenoise) Port 663 is an IANA System Port assigned to purenoise (PureNoise) over TCP and UDP.	v1
Port 664 (oob-ws-https, asf-secure-rmcp) Port 664 is an IANA System Port assigned to oob-ws-https and asf-secure-rmcp over TCP and UDP.	v1
Port 665 (sun-dr) Port 665 is an IANA System Port assigned to sun-dr (Sun DR) over TCP and UDP.	v1
Port 666 (mdqs, doom) Port 666 is an IANA System Port assigned to mdqs and doom over TCP and UDP.	v1
Port 667 (disclose) Port 667 is an IANA System Port assigned to disclose (campaign contribution disclosures - SDR Technologies) over TCP and UDP.	v1
Port 668 (mecomm) Port 668 is an IANA System Port assigned to mecomm (MeComm) over TCP and UDP.	v1
Port 669 (meregister) Port 669 is an IANA System Port assigned to meregister (MeRegister) over TCP and UDP.	v1
Port 67 (bootps) Port 67 is an IANA System Port assigned to bootps (Bootstrap Protocol Server) over TCP and UDP.	v1
Port 670 (vacdsm-sws) Port 670 is an IANA System Port assigned to vacdsm-sws (VACDSM-SWS) over TCP and UDP.	v1
Port 671 (vacdsm-app) Port 671 is an IANA System Port assigned to vacdsm-app (VACDSM-APP) over TCP and UDP.	v1
Port 672 (vpps-qua) Port 672 is an IANA System Port assigned to vpps-qua (VPPS-QUA) over TCP and UDP.	v1
Port 673 (cimplex) Port 673 is an IANA System Port assigned to cimplex (CIMPLEX) over TCP and UDP.	v1
Port 674 (acap) Port 674 is an IANA System Port assigned to acap (ACAP) over TCP and UDP.	v1
Port 675 (dctp) Port 675 is an IANA System Port assigned to dctp (DCTP) over TCP and UDP.	v1
Port 676 (vpps-via) Port 676 is an IANA System Port assigned to vpps-via (VPPS Via) over TCP and UDP.	v1
Port 677 (vpp) Port 677 is an IANA System Port assigned to vpp (Virtual Presence Protocol) over TCP and UDP.	v1
Port 678 (ggf-ncp) Port 678 is an IANA System Port assigned to ggf-ncp (GNU Generation Foundation NCP) over TCP and UDP.	v1
Port 679 (mrm) Port 679 is an IANA System Port assigned to mrm (MRM) over TCP and UDP.	v1
Port 68 (bootpc) Port 68 is an IANA System Port assigned to bootpc (Bootstrap Protocol Client) over TCP and UDP.	v1
Port 680 (entrust-aaas) Port 680 is an IANA System Port assigned to entrust-aaas (entrust-aaas) over TCP and UDP.	v1
Port 681 (entrust-aams) Port 681 is an IANA System Port assigned to entrust-aams (entrust-aams) over TCP and UDP.	v1

Source, review, and usage

Published on Koskamo by: Koskamo
Version: 687
Documents: 686 documents
Reviewed: 2026-10-04
Last approved change: 2026-10-04
Agent lookups: 2 in the last 90 days
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
Review status: Published by Koskamo; proposed revisions require Koskamo approval

Original sources are linked on each document. Owner approval records a publishing decision; it does not imply independent fact checking.

Use this dataset from an agent

Agents can query it without an account. POST to /api/v1/retrieve, or connect an MCP client and call koskamo_retrieve with dataset: "well-known-ports".

Set up your agent Read documents as JSON

The JSON endpoint returns document text and source links in pages. Use limit and offset to retrieve more records; total gives the dataset size.

retrieve request

curl --fail-with-body 'https://koskamo.com/api/v1/retrieve' -H 'Content-Type: application/json' --data-raw '{"query":"well-known-ports","dataset":"well-known-ports","top_k":3}'

Change history

Every change that reached this dataset. Proposals from contributors land only after Koskamo approves them.

Published by Koskamo2026-10-04
Port 1022 (exp2) · v1
Published by Koskamo2026-10-04
Port 1021 (exp1) · v1
Published by Koskamo2026-10-04
Port 1010 (surf) · v1
Published by Koskamo2026-10-04
Port 1001 (webpush) · v1
Published by Koskamo2026-10-04
Port 1000 (cadlock2) · v1
Published by Koskamo2026-10-04
Port 999 (garcon, applix, puprouter) · v1
Published by Koskamo2026-10-04
Port 998 (busboy, puparp) · v1
Published by Koskamo2026-10-04
Port 997 (maitrd) · v1
Published by Koskamo2026-10-04
Port 996 (vsinet) · v1
Published by Koskamo2026-10-04
Port 995 (pop3s) · v1