Port 623 — oob-ws-http (+1 more)

Well-known port 623 (tcp/udp): DMTF out-of-band web services management protocol. Service names: oob-ws-http, asf-rmcp.

port kind port status standard verification verified tier A iana-registry-row@1

aka: asf-rmcp

registry record

value: 623

Service Name	oob-ws-http
Port Number	623
Transport Protocol	tcp
Description	DMTF out-of-band web services management protocol
Assignee	[Jim_Davis]
Contact	[Jim_Davis]
Registration Date	2007-06
Modification Date
Reference
Service Code
Unauthorized Use Reported
Assignment Notes

source: https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.csv
version: IANA registry, Last-Modified: Fri, 29 May 2026 01:11:28 GMT
retrieved: 2026-05-29 · updated: 2026-05-29

agent: curl -H 'accept: application/json' wire.phall.io/port/623 or /port/623.json