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 704 (elcsd)Port 704 is an IANA System Port assigned to elcsd (errlog copy/server daemon) over TCP and UDP. | |
Port 705 (agentx)Port 705 is an IANA System Port assigned to agentx (AgentX) over TCP and UDP. | |
Port 706 (silc)Port 706 is an IANA System Port assigned to silc (SILC) over TCP and UDP. | |
Port 707 (borland-dsj)Port 707 is an IANA System Port assigned to borland-dsj (Borland DSJ) over TCP and UDP. | |
Port 709 (entrust-kmsh)Port 709 is an IANA System Port assigned to entrust-kmsh (Entrust Key Management Service Handler) over TCP and UDP. | |
Port 71 (netrjs-1)Port 71 is an IANA System Port assigned to netrjs-1 (Remote Job Service) over TCP and UDP. | |
Port 710 (entrust-ash)Port 710 is an IANA System Port assigned to entrust-ash (Entrust Administration Service Handler) over TCP and UDP. | |
Port 711 (cisco-tdp)Port 711 is an IANA System Port assigned to cisco-tdp (Cisco TDP) over TCP and UDP. | |
Port 712 (tbrpf)Port 712 is an IANA System Port assigned to tbrpf (TBRPF) over TCP and UDP. | |
Port 713 (iris-xpc)Port 713 is an IANA System Port assigned to iris-xpc (IRIS over XPC) over TCP and UDP. | |
Port 714 (iris-xpcs)Port 714 is an IANA System Port assigned to iris-xpcs (IRIS over XPCS) over TCP and UDP. | |
Port 715 (iris-lwz)Port 715 is an IANA System Port assigned to iris-lwz (IRIS-LWZ) over TCP and UDP. | |
Port 716 (pana)Port 716 is an IANA System Port assigned to pana (PANA Messages) over UDP. | |
Port 72 (netrjs-2)Port 72 is an IANA System Port assigned to netrjs-2 (Remote Job Service) over TCP and UDP. | |
Port 729 (netviewdm1)Port 729 is an IANA System Port assigned to netviewdm1 (IBM NetView DM/6000 Server/Client) over TCP and UDP. | |
Port 73 (netrjs-3)Port 73 is an IANA System Port assigned to netrjs-3 (Remote Job Service) over TCP and UDP. | |
Port 730 (netviewdm2)Port 730 is an IANA System Port assigned to netviewdm2 (IBM NetView DM/6000 send/tcp) over TCP and UDP. | |
Port 731 (netviewdm3)Port 731 is an IANA System Port assigned to netviewdm3 (IBM NetView DM/6000 receive/tcp) over TCP and UDP. | |
Port 74 (netrjs-4)Port 74 is an IANA System Port assigned to netrjs-4 (Remote Job Service) over TCP and UDP. | |
Port 741 (netgw)Port 741 is an IANA System Port assigned to netgw (netGW) over TCP and UDP. | |
Port 742 (netrcs)Port 742 is an IANA System Port assigned to netrcs (Network based Rev. Cont. Sys.) over TCP and UDP. | |
Port 744 (flexlm)Port 744 is an IANA System Port assigned to flexlm (Flexible License Manager) over TCP and UDP. | |
Port 747 (fujitsu-dev)Port 747 is an IANA System Port assigned to fujitsu-dev (Fujitsu Device Control) over TCP and UDP. | |
Port 748 (ris-cm)Port 748 is an IANA System Port assigned to ris-cm (Russell Info Sci Calendar Manager) 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