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 481–504 of 686 documents

Document	Version
Port 616 (sco-sysmgr) Port 616 is an IANA System Port assigned to sco-sysmgr (SCO System Administration Server) over TCP and UDP.	v1
Port 617 (sco-dtmgr) Port 617 is an IANA System Port assigned to sco-dtmgr (SCO Desktop Administration Server) over TCP and UDP.	v1
Port 618 (dei-icda) Port 618 is an IANA System Port assigned to dei-icda (DEI-ICDA) over TCP and UDP.	v1
Port 619 (compaq-evm) Port 619 is an IANA System Port assigned to compaq-evm (Compaq EVM) over TCP and UDP.	v1
Port 62 (acas) Port 62 is an IANA System Port assigned to acas (ACA Services) over TCP and UDP.	v1
Port 620 (sco-websrvrmgr) Port 620 is an IANA System Port assigned to sco-websrvrmgr (SCO WebServer Manager) over TCP and UDP.	v1
Port 621 (escp-ip) Port 621 is an IANA System Port assigned to escp-ip (ESCP) over TCP and UDP.	v1
Port 622 (collaborator) Port 622 is an IANA System Port assigned to collaborator (Collaborator) over TCP and UDP.	v1
Port 623 (oob-ws-http, asf-rmcp) Port 623 is an IANA System Port assigned to oob-ws-http and asf-rmcp over TCP and UDP.	v1
Port 624 (cryptoadmin) Port 624 is an IANA System Port assigned to cryptoadmin (Crypto Admin) over TCP and UDP.	v1
Port 625 (dec-dlm, dec_dlm) Port 625 is an IANA System Port assigned to dec-dlm and dec_dlm over TCP and UDP.	v1
Port 626 (asia) Port 626 is an IANA System Port assigned to asia (ASIA) over TCP and UDP.	v1
Port 627 (passgo-tivoli) Port 627 is an IANA System Port assigned to passgo-tivoli (PassGo Tivoli) over TCP and UDP.	v1
Port 628 (qmqp) Port 628 is an IANA System Port assigned to qmqp (QMQP) over TCP and UDP.	v1
Port 629 (3com-amp3) Port 629 is an IANA System Port assigned to 3com-amp3 (3Com AMP3) over TCP and UDP.	v1
Port 63 (whoispp, whois++) Port 63 is an IANA System Port assigned to whoispp and whois++ over TCP and UDP.	v1
Port 630 (rda) Port 630 is an IANA System Port assigned to rda (RDA) over TCP and UDP.	v1
Port 631 (ipp, ipps) Port 631 is an IANA System Port assigned to ipp and ipps over TCP and UDP.	v1
Port 632 (bmpp) Port 632 is an IANA System Port assigned to bmpp (bmpp) over TCP and UDP.	v1
Port 633 (servstat) Port 633 is an IANA System Port assigned to servstat (Service Status update (Sterling Software)) over TCP and UDP.	v1
Port 634 (ginad) Port 634 is an IANA System Port assigned to ginad (ginad) over TCP and UDP.	v1
Port 635 (rlzdbase) Port 635 is an IANA System Port assigned to rlzdbase (RLZ DBase) over TCP and UDP.	v1
Port 636 (ldaps) Port 636 is an IANA System Port assigned to ldaps (ldap protocol over TLS/SSL (was sldap)) over TCP and UDP.	v1
Port 637 (lanserver) Port 637 is an IANA System Port assigned to lanserver (lanserver) 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