knownports / Patterns

Port numbers shared by several services

25 numbers carry several service names on the same transport, or three or more names in all. 8 of them hold three names, the most on any number in the registry. On most, one name is an older spelling or a duplicate kept for history.

Port	Names and protocols
42	name TCP/UDP nameserver TCP/UDP
80	http TCP/UDP/SCTP www TCP/UDP www-http TCP/UDP
105	csnet-ns TCP/UDP cso TCP/UDP
113	auth TCP/UDP ident TCP
351	bhoetty TCP/UDP matip-type-b TCP/UDP
352	bhoedap4 TCP/UDP dtag-ste-sb TCP/UDP
465	igmpv3lite UDP submissions TCP urd TCP
512	biff UDP comsat UDP exec TCP
631	ipp TCP/UDP ipps TCP
666	doom TCP/UDP mdqs TCP/UDP
750	kerberos-iv UDP loadav UDP rfile TCP
888	accessbuilder TCP/UDP cddbp TCP
999	puprouter TCP/UDP applix UDP garcon TCP
1525	orasrv TCP/UDP prospero-np TCP/UDP
1701	l2f TCP/UDP l2tp TCP/UDP
1989	mshnet TCP/UDP tr-rsrb-p3 TCP/UDP
1992	ipsendmsg TCP/UDP stun-p3 TCP/UDP
2049	nfs TCP/UDP/SCTP shilp TCP/UDP
3000	hbci TCP/UDP remoteware-cl TCP/UDP
3002	exlm-agent TCP/UDP remoteware-srv TCP/UDP
3478	stun TCP/UDP stun-behavior TCP/UDP turn TCP/UDP
3863	asap-sctp SCTP asap-tcp TCP asap-udp UDP
4444	krb524 TCP/UDP nv-video TCP/UDP
5349	stun-behaviors TCP/UDP stuns TCP/UDP turns TCP/UDP
9100	hp-pdl-datastr TCP/UDP pdl-datastream TCP/UDP

Other patterns Ports that cite an RFC · Plain and TLS port pairs · Different services on TCP and UDP · SCTP and DCCP port numbers · Renamed service names