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.
Documents
| Document | Version |
|---|---|
Port 682 (xfr)Port 682 is an IANA System Port assigned to xfr (XFR) over TCP and UDP. | |
Port 683 (corba-iiop)Port 683 is an IANA System Port assigned to corba-iiop (CORBA IIOP) over TCP and UDP. | |
Port 684 (corba-iiop-ssl)Port 684 is an IANA System Port assigned to corba-iiop-ssl (CORBA IIOP SSL) over TCP and UDP. | |
Port 685 (mdc-portmapper)Port 685 is an IANA System Port assigned to mdc-portmapper (MDC Port Mapper) over TCP and UDP. | |
Port 686 (hcp-wismar)Port 686 is an IANA System Port assigned to hcp-wismar (Hardware Control Protocol Wismar) over TCP and UDP. | |
Port 687 (asipregistry)Port 687 is an IANA System Port assigned to asipregistry (asipregistry) over TCP and UDP. | |
Port 688 (realm-rusd)Port 688 is an IANA System Port assigned to realm-rusd (ApplianceWare managment protocol) over TCP and UDP. | |
Port 689 (nmap)Port 689 is an IANA System Port assigned to nmap (NMAP) over TCP and UDP. | |
Port 69 (tftp)Port 69 is an IANA System Port assigned to tftp (Trivial File Transfer) over TCP and UDP. | |
Port 690 (vatp)Port 690 is an IANA System Port assigned to vatp (Velneo Application Transfer Protocol) over TCP and UDP. | |
Port 691 (msexch-routing)Port 691 is an IANA System Port assigned to msexch-routing (MS Exchange Routing) over TCP and UDP. | |
Port 692 (hyperwave-isp)Port 692 is an IANA System Port assigned to hyperwave-isp (Hyperwave-ISP) over TCP and UDP. | |
Port 693 (connendp)Port 693 is an IANA System Port assigned to connendp (almanid Connection Endpoint) over TCP and UDP. | |
Port 694 (ha-cluster)Port 694 is an IANA System Port assigned to ha-cluster (ha-cluster) over TCP and UDP. | |
Port 695 (ieee-mms-ssl)Port 695 is an IANA System Port assigned to ieee-mms-ssl (IEEE-MMS-SSL) over TCP and UDP. | |
Port 696 (rushd)Port 696 is an IANA System Port assigned to rushd (RUSHD) over TCP and UDP. | |
Port 697 (uuidgen)Port 697 is an IANA System Port assigned to uuidgen (UUIDGEN) over TCP and UDP. | |
Port 698 (olsr)Port 698 is an IANA System Port assigned to olsr (OLSR) over TCP and UDP. | |
Port 699 (accessnetwork)Port 699 is an IANA System Port assigned to accessnetwork (Access Network) over TCP and UDP. | |
Port 7 (echo)Port 7 is an IANA System Port assigned to echo (Echo) over TCP and UDP. | |
Port 70 (gopher)Port 70 is an IANA System Port assigned to gopher (Gopher) over TCP and UDP. | |
Port 700 (epp)Port 700 is an IANA System Port assigned to epp over TCP and UDP. | |
Port 701 (lmp)Port 701 is an IANA System Port assigned to lmp (Link Management Protocol (LMP)) over TCP and UDP. | |
Port 702 (iris-beep)Port 702 is an IANA System Port assigned to iris-beep (IRIS over BEEP) over TCP and UDP. |
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
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".
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 Koskamo
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo
- Published by Koskamo