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 601–624 of 686 documents

Document	Version
Port 749 (kerberos-adm) Port 749 is an IANA System Port assigned to kerberos-adm (kerberos administration) over TCP and UDP.	v1
Port 750 (rfile, loadav, kerberos-iv) Port 750 is an IANA System Port assigned to rfile, loadav, and kerberos-iv over TCP and UDP.	v1
Port 751 (pump) Port 751 is an IANA System Port assigned to pump over TCP and UDP.	v1
Port 752 (qrh) Port 752 is an IANA System Port assigned to qrh over TCP and UDP.	v1
Port 753 (rrh) Port 753 is an IANA System Port assigned to rrh over TCP and UDP.	v1
Port 754 (tell) Port 754 is an IANA System Port assigned to tell (send) over TCP and UDP.	v1
Port 758 (nlogin) Port 758 is an IANA System Port assigned to nlogin over TCP and UDP.	v1
Port 759 (con) Port 759 is an IANA System Port assigned to con over TCP and UDP.	v1
Port 76 (deos) Port 76 is an IANA System Port assigned to deos (Distributed External Object Store) over TCP and UDP.	v1
Port 760 (ns) Port 760 is an IANA System Port assigned to ns over TCP and UDP.	v1
Port 761 (rxe) Port 761 is an IANA System Port assigned to rxe over TCP and UDP.	v1
Port 762 (quotad) Port 762 is an IANA System Port assigned to quotad over TCP and UDP.	v1
Port 763 (cycleserv) Port 763 is an IANA System Port assigned to cycleserv over TCP and UDP.	v1
Port 764 (omserv) Port 764 is an IANA System Port assigned to omserv over TCP and UDP.	v1
Port 765 (webster) Port 765 is an IANA System Port assigned to webster over TCP and UDP.	v1
Port 767 (phonebook) Port 767 is an IANA System Port assigned to phonebook (phone) over TCP and UDP.	v1
Port 769 (vid) Port 769 is an IANA System Port assigned to vid over TCP and UDP.	v1
Port 770 (cadlock) Port 770 is an IANA System Port assigned to cadlock over TCP and UDP.	v1
Port 771 (rtip) Port 771 is an IANA System Port assigned to rtip over TCP and UDP.	v1
Port 772 (cycleserv2) Port 772 is an IANA System Port assigned to cycleserv2 over TCP and UDP.	v1
Port 773 (submit, notify) Port 773 is an IANA System Port assigned to submit and notify over TCP and UDP.	v1
Port 774 (rpasswd, acmaint-dbd, acmaint_dbd) Port 774 is an IANA System Port assigned to rpasswd, acmaint-dbd, and acmaint_dbd over TCP and UDP.	v1
Port 775 (entomb, acmaint-transd, acmaint_transd) Port 775 is an IANA System Port assigned to entomb, acmaint-transd, and acmaint_transd over TCP and UDP.	v1
Port 776 (wpages) Port 776 is an IANA System Port assigned to wpages 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