Service Name and Transport Protocol Port Number Registry

Last Updated
2021-06-16
Expert(s)
TCP/UDP: Joe Touch; Eliot Lear, Allison Mankin, Markku Kojo, Kumiko Ono, Martin Stiemerling, 
Lars Eggert, Alexey Melnikov, Wes Eddy, Alexander Zimmermann, Brian Trammell, and Jana Iyengar
SCTP: Allison Mankin and Michael Tuexen
DCCP: Eddie Kohler and Yoshifumi Nishida
Reference
[RFC6335]
Note
Service names and port numbers are used to distinguish between different
services that run over transport protocols such as TCP, UDP, DCCP, and
SCTP.

Service names are assigned on a first-come, first-served process, as
documented in [RFC6335].

Port numbers are assigned in various ways, based on three ranges: System
Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Private
Ports (49152-65535); the difference uses of these ranges is described in
[RFC6335]. According to Section 8.1.2 of [RFC6335], System Ports are 
assigned by the "IETF Review" or "IESG Approval" procedures described in 
[RFC8126]. User Ports are assigned by IANA using the "IETF Review" process, 
the "IESG Approval" process, or the "Expert Review" process, as per 
[RFC6335]. Dynamic Ports are not assigned.

The registration procedures for service names and port numbers are
described in [RFC6335].

Assigned ports both System and User ports SHOULD NOT be used without
or prior to IANA registration.

************************************************************************
* PLEASE NOTE THE FOLLOWING:                                           *
*                                                                      *
* ASSIGNMENT OF A PORT NUMBER DOES NOT IN ANY WAY IMPLY AN             *
* ENDORSEMENT OF AN APPLICATION OR PRODUCT, AND THE FACT THAT NETWORK  *
* TRAFFIC IS FLOWING TO OR FROM A REGISTERED PORT DOES NOT MEAN THAT   *
* IT IS "GOOD" TRAFFIC, NOR THAT IT NECESSARILY CORRESPONDS TO THE     *
* ASSIGNED SERVICE. FIREWALL AND SYSTEM ADMINISTRATORS SHOULD          *
* CHOOSE HOW TO CONFIGURE THEIR SYSTEMS BASED ON THEIR KNOWLEDGE OF    *
* THE TRAFFIC IN QUESTION, NOT WHETHER THERE IS A PORT NUMBER          *
* REGISTERED OR NOT.                                                   *
************************************************************************
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Service Name Port Number Transport Protocol Description Assignee Contact Registration Date Modification Date Reference Service Code Unauthorized Use Reported Assignment Notes
jvserver 1939 tcp JetVision Server Port
jvserver 1939 udp JetVision Server Port
jvclient 1940 tcp JetVision Client Port [Stephen_Tsun] [Stephen_Tsun]
jvclient 1940 udp JetVision Client Port [Stephen_Tsun] [Stephen_Tsun]
dic-aida 1941 tcp DIC-Aida [Frans_S_C_Witte] [Frans_S_C_Witte]
dic-aida 1941 udp DIC-Aida [Frans_S_C_Witte] [Frans_S_C_Witte]
res 1942 tcp Real Enterprise Service [Bob_Janssen] [Bob_Janssen]
res 1942 udp Real Enterprise Service [Bob_Janssen] [Bob_Janssen]
beeyond-media 1943 tcp Beeyond Media [Bob_Deblier] [Bob_Deblier]
beeyond-media 1943 udp Beeyond Media [Bob_Deblier] [Bob_Deblier]
close-combat 1944 tcp close-combat [David_Hua] [David_Hua]
close-combat 1944 udp close-combat [David_Hua] [David_Hua]
dialogic-elmd 1945 tcp dialogic-elmd [Roger_Kay] [Roger_Kay]
dialogic-elmd 1945 udp dialogic-elmd [Roger_Kay] [Roger_Kay]
tekpls 1946 tcp tekpls [Brian_Abramson_2] [Brian_Abramson_2]
tekpls 1946 udp tekpls [Brian_Abramson_2] [Brian_Abramson_2]
sentinelsrm 1947 tcp SentinelSRM [Michael_Zunke_2] [Michael_Zunke_2] 2010-07-23 Unauthorized Use Known on port 1947
sentinelsrm 1947 udp SentinelSRM [Michael_Zunke_2] [Michael_Zunke_2] 2010-07-23 Unauthorized Use Known on port 1947
eye2eye 1948 tcp eye2eye [Trevor_Bell] [Trevor_Bell]
eye2eye 1948 udp eye2eye [Trevor_Bell] [Trevor_Bell]
ismaeasdaqlive 1949 tcp ISMA Easdaq Live [Stephen_Dunne] [Stephen_Dunne]
ismaeasdaqlive 1949 udp ISMA Easdaq Live [Stephen_Dunne] [Stephen_Dunne]
ismaeasdaqtest 1950 tcp ISMA Easdaq Test [Stephen_Dunne] [Stephen_Dunne]
ismaeasdaqtest 1950 udp ISMA Easdaq Test [Stephen_Dunne] [Stephen_Dunne]
bcs-lmserver 1951 tcp bcs-lmserver [Andy_Warner] [Andy_Warner]
bcs-lmserver 1951 udp bcs-lmserver [Andy_Warner] [Andy_Warner]
mpnjsc 1952 tcp mpnjsc [Takenori_Miyahara] [Takenori_Miyahara]
mpnjsc 1952 udp mpnjsc [Takenori_Miyahara] [Takenori_Miyahara]
rapidbase 1953 tcp Rapid Base [Antoni_Wolski] [Antoni_Wolski]
rapidbase 1953 udp Rapid Base [Antoni_Wolski] [Antoni_Wolski]
abr-api 1954 tcp ABR-API (diskbridge)
abr-api 1954 udp ABR-API (diskbridge)
abr-secure 1955 tcp ABR-Secure Data (diskbridge) [Graham_Wooden] [Graham_Wooden]
abr-secure 1955 udp ABR-Secure Data (diskbridge) [Graham_Wooden] [Graham_Wooden]
vrtl-vmf-ds 1956 tcp Vertel VMF DS [Alan_Akahoshi] [Alan_Akahoshi]
vrtl-vmf-ds 1956 udp Vertel VMF DS [Alan_Akahoshi] [Alan_Akahoshi]
unix-status 1957 tcp unix-status [Thomas_Erskine] [Thomas_Erskine]
unix-status 1957 udp unix-status [Thomas_Erskine] [Thomas_Erskine]
dxadmind 1958 tcp CA Administration Daemon [John_Birrell] [John_Birrell]
dxadmind 1958 udp CA Administration Daemon [John_Birrell] [John_Birrell]
simp-all 1959 tcp SIMP Channel [Tim_Hunnewell] [Tim_Hunnewell]
simp-all 1959 udp SIMP Channel [Tim_Hunnewell] [Tim_Hunnewell]
nasmanager 1960 tcp Merit DAC NASmanager [Richard_S_Conto] [Richard_S_Conto]
nasmanager 1960 udp Merit DAC NASmanager [Richard_S_Conto] [Richard_S_Conto]
bts-appserver 1961 tcp BTS APPSERVER [Carl_Obsorn] [Carl_Obsorn]
bts-appserver 1961 udp BTS APPSERVER [Carl_Obsorn] [Carl_Obsorn]
biap-mp 1962 tcp BIAP-MP [Louis_Slothouber] [Louis_Slothouber]
biap-mp 1962 udp BIAP-MP [Louis_Slothouber] [Louis_Slothouber]
webmachine 1963 tcp WebMachine [Tim_Jowers] [Tim_Jowers]
webmachine 1963 udp WebMachine [Tim_Jowers] [Tim_Jowers]
solid-e-engine 1964 tcp SOLID E ENGINE [Ari_Valtanen] [Ari_Valtanen]
solid-e-engine 1964 udp SOLID E ENGINE [Ari_Valtanen] [Ari_Valtanen]
tivoli-npm 1965 tcp Tivoli NPM [Ivana_Cuozzo] [Ivana_Cuozzo]
tivoli-npm 1965 udp Tivoli NPM [Ivana_Cuozzo] [Ivana_Cuozzo]
slush 1966 tcp Slush [Damien_Miller] [Damien_Miller]
slush 1966 udp Slush [Damien_Miller] [Damien_Miller]
sns-quote 1967 tcp SNS Quote [Robert_Ellman] [Robert_Ellman]
sns-quote 1967 udp SNS Quote [Robert_Ellman] [Robert_Ellman]
lipsinc 1968 tcp LIPSinc
lipsinc 1968 udp LIPSinc
lipsinc1 1969 tcp LIPSinc 1 [Robert_Armington] [Robert_Armington]
lipsinc1 1969 udp LIPSinc 1 [Robert_Armington] [Robert_Armington]
netop-rc 1970 tcp NetOp Remote Control
netop-rc 1970 udp NetOp Remote Control
netop-school 1971 tcp NetOp School [NetOp_Technical_Supp] [NetOp_Technical_Supp]
netop-school 1971 udp NetOp School [NetOp_Technical_Supp] [NetOp_Technical_Supp]
intersys-cache 1972 tcp Cache [Mark_Hanson] [Mark_Hanson]
intersys-cache 1972 udp Cache [Mark_Hanson] [Mark_Hanson]
dlsrap 1973 tcp Data Link Switching Remote Access Protocol [Steve_T_Chiang] [Steve_T_Chiang]
dlsrap 1973 udp Data Link Switching Remote Access Protocol [Steve_T_Chiang] [Steve_T_Chiang]
drp 1974 tcp DRP [Richard_Alan_Johnson] [Richard_Alan_Johnson]
drp 1974 udp DRP [Richard_Alan_Johnson] [Richard_Alan_Johnson]
tcoflashagent 1975 tcp TCO Flash Agent
tcoflashagent 1975 udp TCO Flash Agent
tcoregagent 1976 tcp TCO Reg Agent
tcoregagent 1976 udp TCO Reg Agent
tcoaddressbook 1977 tcp TCO Address Book [Allan_Panitch] [Allan_Panitch]
tcoaddressbook 1977 udp TCO Address Book [Allan_Panitch] [Allan_Panitch]
unisql 1978 tcp UniSQL
unisql 1978 udp UniSQL
unisql-java 1979 tcp UniSQL Java [Keith_Yarbrough] [Keith_Yarbrough]
unisql-java 1979 udp UniSQL Java [Keith_Yarbrough] [Keith_Yarbrough]
pearldoc-xact 1980 tcp PearlDoc XACT [Chris_Vertonghen] [Chris_Vertonghen]
pearldoc-xact 1980 udp PearlDoc XACT [Chris_Vertonghen] [Chris_Vertonghen]
p2pq 1981 tcp p2pQ [Warren_Alexander] [Warren_Alexander]
p2pq 1981 udp p2pQ [Warren_Alexander] [Warren_Alexander]
estamp 1982 tcp Evidentiary Timestamp [Todd_Glassey] [Todd_Glassey]
estamp 1982 udp Evidentiary Timestamp [Todd_Glassey] [Todd_Glassey]
lhtp 1983 tcp Loophole Test Protocol [Kade_Hansson] [Kade_Hansson]
lhtp 1983 udp Loophole Test Protocol [Kade_Hansson] [Kade_Hansson]
bb 1984 tcp BB [Sean_MacGuire] [Sean_MacGuire]
bb 1984 udp BB [Sean_MacGuire] [Sean_MacGuire]
hsrp 1985 tcp Hot Standby Router Protocol [RFC2281]
hsrp 1985 udp Hot Standby Router Protocol [RFC2281]
licensedaemon 1986 tcp cisco license management
licensedaemon 1986 udp cisco license management
tr-rsrb-p1 1987 tcp cisco RSRB Priority 1 port
tr-rsrb-p1 1987 udp cisco RSRB Priority 1 port
tr-rsrb-p2 1988 tcp cisco RSRB Priority 2 port
tr-rsrb-p2 1988 udp cisco RSRB Priority 2 port
tr-rsrb-p3 1989 tcp cisco RSRB Priority 3 port

Contact Information

ID Name Contact URI Last Updated
[Alan_Akahoshi] Alan Akahoshi mailto:alan-akahoshi&vertel.com
[Allan_Panitch] Allan Panitch mailto:allanp&tcosoft.com
[Andy_Warner] Andy Warner mailto:andyw&knoware.nl
[Antoni_Wolski] Antoni Wolski mailto:antoni.wolski&vtt.fi
[Ari_Valtanen] Ari Valtanen mailto:ari.valtanen&solidtech.com
[Bob_Deblier] Bob Deblier mailto:bob&virtualunlimited.com
[Bob_Janssen] Bob Janssen mailto:bob&res.nl
[Brian_Abramson_2] Brian Abramson mailto:brianab&vnd.tek.com
[Carl_Obsorn] Carl Obsorn mailto:carl_osborn&sabre.com
[Chris_Vertonghen] Chris Vertonghen mailto:chrisv&pearldoc.com
[Damien_Miller] Damien Miller mailto:damien&ibs.com.au
[David_Hua] David Hua mailto:davhua&microsoft.com
[Frans_S_C_Witte] Frans S.C. Witte mailto:fscwitte&dicgroep.nl
[Graham_Wooden] Graham Wooden mailto:graham&g-rock.net
[Ivana_Cuozzo] Ivana Cuozzo mailto:Ivana.Cuozzo&tivoli.com
[John_Birrell] John Birrell mailto:birjo99&cai.com
[Kade_Hansson] Kade Hansson mailto:kade_fh&postoffice.utas.edu.au
[Keith_Yarbrough] Keith Yarbrough mailto:kyarbro&windtraveller.com
[Louis_Slothouber] Louis Slothouber mailto:lpslot&biap.com 2005-08
[Mark_Hanson] Mark Hanson mailto:markh&intersys.com
[Michael_Zunke_2] Michael Zunke mailto:Michael.Zunke&ealaddin.com 2010-07-23
[NetOp_Technical_Supp] NetOp Technical Support mailto:support&danware.dk
[Richard_Alan_Johnson] Richard Alan Johnson mailto:raj&cisco.com
[Richard_S_Conto] Richard S. Conto mailto:rsc&merit.edu
[Robert_Armington] Robert Armington mailto:rarmington&lipsinc.com
[Robert_Ellman] Robert Ellman mailto:rellman&calicotech.com
[Roger_Kay] Roger Kay mailto:r.kay&nz.dialogic.com
[Sean_MacGuire] Sean MacGuire mailto:sean&maclawran.ca
[Stephen_Dunne] Stephen Dunne mailto:sdun&isma.co.uk
[Stephen_Tsun] Stephen Tsun mailto:stsun&jetstream.com
[Steve_T_Chiang] Steve T. Chiang mailto:schiang&cisco.com
[Takenori_Miyahara] Takenori Miyahara mailto:miyahara&pfu.co.jp
[Thomas_Erskine] Thomas Erskine mailto:erskine&sourceworks.com
[Tim_Hunnewell] Tim Hunnewell mailto:thunnewell&pinna.com
[Tim_Jowers] Tim Jowers mailto:Tim.Jowers&columbiasc.ncr.com
[Todd_Glassey] Todd Glassey mailto:todd.glassey&att.net
[Trevor_Bell] Trevor Bell mailto:Trevor&iguana.iosoftware.com
[Warren_Alexander] Warren Alexander mailto:warren&chameleon-creative.co.uk