Service Name and Transport Protocol Port Number Registry

Last Updated
2015-03-27
Expert(s)
TCP/UDP: Joe Touch; Eliot Lear, Allison Mankin, Markku Kojo, Kumiko Ono, Martin Stiemerling, 
     Lars Eggert, Alexey Melnikov, Wes Eddy, and Alexander Zimmermann; DCCP: Eddie Kohler; SCTP: Allison Mankin
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]. System Ports are assigned by IETF
process for standards-track protocols, as per [RFC6335].  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.                                                   *
************************************************************************
Available Formats

CSV

XML

HTML

Plain text
Service Name Port Number Transport Protocol Description Assignee Contact Registration Date Modification Date Reference Service Code Known Unauthorized Uses Assignment Notes
flashfiler 24677 tcp FlashFiler [Ben_Oram] [Ben_Oram]
flashfiler 24677 udp FlashFiler [Ben_Oram] [Ben_Oram]
proactivate 24678 tcp Turbopower Proactivate [Ben_Oram] [Ben_Oram]
proactivate 24678 udp Turbopower Proactivate [Ben_Oram] [Ben_Oram]
24679 Unassigned
tcc-http 24680 tcp TCC User HTTP Service [Brian_Kennedy] [Brian_Kennedy] 2006-08
tcc-http 24680 udp TCC User HTTP Service [Brian_Kennedy] [Brian_Kennedy] 2006-08
24681-24753 Unassigned
cslg 24754 tcp Citrix StorageLink Gateway [Mark_Nijmeijer] [Mark_Nijmeijer] 2009-04-17
24754 udp Reserved
24755-24849 Unassigned
24850 tcp Reserved
assoc-disc 24850 udp Device Association Discovery [Microsoft_Corporation_3] [Sachin_Sheth] 2012-06-27
24851-24921 Unassigned
find 24922 tcp Find Identification of Network Devices [Jean_Paul_Moreaux] [Jean_Paul_Moreaux]
find 24922 udp Find Identification of Network Devices [Jean_Paul_Moreaux] [Jean_Paul_Moreaux]
24923-24999 Unassigned
icl-twobase1 25000 tcp icl-twobase1 [J_A_Sever] [J_A_Sever]
icl-twobase1 25000 udp icl-twobase1 [J_A_Sever] [J_A_Sever]
icl-twobase2 25001 tcp icl-twobase2 [J_A_Sever] [J_A_Sever]
icl-twobase2 25001 udp icl-twobase2 [J_A_Sever] [J_A_Sever]
icl-twobase3 25002 tcp icl-twobase3 [J_A_Sever] [J_A_Sever]
icl-twobase3 25002 udp icl-twobase3 [J_A_Sever] [J_A_Sever]
icl-twobase4 25003 tcp icl-twobase4 [J_A_Sever] [J_A_Sever]
icl-twobase4 25003 udp icl-twobase4 [J_A_Sever] [J_A_Sever]
icl-twobase5 25004 tcp icl-twobase5 [J_A_Sever] [J_A_Sever]
icl-twobase5 25004 udp icl-twobase5 [J_A_Sever] [J_A_Sever]
icl-twobase6 25005 tcp icl-twobase6 [J_A_Sever] [J_A_Sever]
icl-twobase6 25005 udp icl-twobase6 [J_A_Sever] [J_A_Sever]
icl-twobase7 25006 tcp icl-twobase7 [J_A_Sever] [J_A_Sever]
icl-twobase7 25006 udp icl-twobase7 [J_A_Sever] [J_A_Sever]
icl-twobase8 25007 tcp icl-twobase8 [J_A_Sever] [J_A_Sever]
icl-twobase8 25007 udp icl-twobase8 [J_A_Sever] [J_A_Sever]
icl-twobase9 25008 tcp icl-twobase9 [J_A_Sever] [J_A_Sever]
icl-twobase9 25008 udp icl-twobase9 [J_A_Sever] [J_A_Sever]
icl-twobase10 25009 tcp icl-twobase10 [J_A_Sever] [J_A_Sever]
icl-twobase10 25009 udp icl-twobase10 [J_A_Sever] [J_A_Sever]
25010-25470 Unassigned
rna 25471 sctp RNSAP User Adaptation for Iurh [Dario_S_Tonesi] [Dario_S_Tonesi] 2011-02-07
25472-25575 Unassigned
sauterdongle 25576 tcp Sauter Dongle [Christian_Brecht] [Christian_Brecht] 2010-12-15
25576 udp Reserved
25577-25603 Unassigned
idtp 25604 tcp Identifier Tracing Protocol [Huang_Neng-geng] [Huang_Neng-geng] 2011-08-09
25604 udp Reserved
25605-25792 Unassigned
vocaltec-hos 25793 tcp Vocaltec Address Server [Scott_Petrack] [Scott_Petrack]
vocaltec-hos 25793 udp Vocaltec Address Server [Scott_Petrack] [Scott_Petrack]
25794-25899 Unassigned
tasp-net 25900 tcp TASP Network Comm [Martin_Ellis] [Martin_Ellis] 2004-11
tasp-net 25900 udp TASP Network Comm [Martin_Ellis] [Martin_Ellis] 2004-11
niobserver 25901 tcp NIObserver [Roman_Oliynyk] [Roman_Oliynyk]
niobserver 25901 udp NIObserver [Roman_Oliynyk] [Roman_Oliynyk]
nilinkanalyst 25902 tcp NILinkAnalyst [Roman_Oliynyk_2] [Roman_Oliynyk_2] 2007-08-30
nilinkanalyst 25902 udp NILinkAnalyst [Roman_Oliynyk_2] [Roman_Oliynyk_2] 2007-08-30
niprobe 25903 tcp NIProbe [Roman_Oliynyk] [Roman_Oliynyk]
niprobe 25903 udp NIProbe [Roman_Oliynyk] [Roman_Oliynyk]
25904-25953 Unassigned
bf-game 25954 udp Bitfighter game server [Christopher_Eykamp] [Christopher_Eykamp] 2012-08-16
25954 tcp Reserved
bf-master 25955 udp Bitfighter master server [Christopher_Eykamp] [Christopher_Eykamp] 2012-08-16
25955 tcp Reserved
25956-25999 Unassigned
quake 26000 tcp quake [Yasunari_Gon_Yamasit] [Yasunari_Gon_Yamasit]
quake 26000 udp quake [Yasunari_Gon_Yamasit] [Yasunari_Gon_Yamasit]
26001-26132 Unassigned
scscp 26133 tcp Symbolic Computation Software Composability Protocol [Alexander_Konovalov] [Alexander_Konovalov] 2007-11-27
scscp 26133 udp Symbolic Computation Software Composability Protocol [Alexander_Konovalov] [Alexander_Konovalov] 2007-11-27
26134-26207 Unassigned
wnn6-ds 26208 tcp wnn6-ds [Yasunari_Gon_Yamasit] [Yasunari_Gon_Yamasit]
wnn6-ds 26208 udp wnn6-ds [Yasunari_Gon_Yamasit] [Yasunari_Gon_Yamasit]
26209-26259 Unassigned
ezproxy 26260 tcp eZproxy [Albert_C_Yang] [Albert_C_Yang]
ezproxy 26260 udp eZproxy [Albert_C_Yang] [Albert_C_Yang]
ezmeeting 26261 tcp eZmeeting [Albert_C_Yang] [Albert_C_Yang]
ezmeeting 26261 udp eZmeeting [Albert_C_Yang] [Albert_C_Yang]
k3software-svr 26262 tcp K3 Software-Server [Jim_Baldridge] [Jim_Baldridge]
k3software-svr 26262 udp K3 Software-Server [Jim_Baldridge] [Jim_Baldridge]
k3software-cli 26263 tcp K3 Software-Client [Jim_Baldridge] [Jim_Baldridge]
k3software-cli 26263 udp K3 Software-Client [Jim_Baldridge] [Jim_Baldridge]
26264 De-registered 2006-04-06
26265-26485 Unassigned
exoline-tcp 26486 tcp EXOline-TCP [Lars_Mattsson] [Lars_Mattsson] 2008-12-24
exoline-udp 26486 udp EXOline-UDP [Lars_Mattsson] [Lars_Mattsson] 2008-12-24
exoconfig 26487 tcp EXOconfig [Urban_Fosseus] [Urban_Fosseus] 2008-12-24
exoconfig 26487 udp EXOconfig [Urban_Fosseus] [Urban_Fosseus] 2008-12-24
26488 Unassigned
exonet 26489 tcp EXOnet [Urban_Fosseus] [Urban_Fosseus] 2008-12-24
exonet 26489 udp EXOnet [Urban_Fosseus] [Urban_Fosseus] 2008-12-24
26490-26999 Unassigned
flex-lm 27000-27009 FLEX LM (1-10) [Daniel_Birns] [Daniel_Birns]
27010-27344 Unassigned Unauthorized Use Known on ports 27017, 27018 and 27019
imagepump 27345 tcp ImagePump [Richard_Minner] [Richard_Minner]
imagepump 27345 udp ImagePump [Richard_Minner] [Richard_Minner]
27346-27441 Unassigned
jesmsjc 27442 tcp Job controller service [Chris_Newman] [Chris_Newman] 2010-10-15
jesmsjc 27442 udp Job controller service [Chris_Newman] [Chris_Newman] 2010-10-15
27443-27503 Unassigned
kopek-httphead 27504 tcp Kopek HTTP Head Port [Sten_H_Danielsen] [Sten_H_Danielsen] 2002-07
kopek-httphead 27504 udp Kopek HTTP Head Port [Sten_H_Danielsen] [Sten_H_Danielsen] 2002-07
27505-27781 Unassigned

People

ID Name Organization Contact URI Last Updated
[Albert_C_Yang] Albert C. Yang mailto:albert.yang&ezmeeting.com 2002-03
[Alexander_Konovalov] Alexander Konovalov mailto:konovalov&member.ams.org 2007-11-27
[Ben_Oram] Ben Oram mailto:beno&turbopower.com
[Brian_Kennedy] Brian Kennedy mailto:BrianK&targetedconvergence.com 2006-08
[Chris_Newman] Chris Newman mailto:chris.newman&oracle.com 2010-10-15
[Christian_Brecht] Christian Brecht mailto:Christian.Brecht&sauter-gmbh.de 2010-12-15
[Christopher_Eykamp] Christopher Eykamp mailto:chris&eykamp.com 2012-08-16
[Daniel_Birns] Daniel Birns mailto:daniel&globes.com
[Dario_S_Tonesi] Dario S. Tonesi mailto:dario.tonesi&nsn.com 2011-02-07
[Huang_Neng-geng] Huang Neng-geng mailto:huangng&ngweb.org
mailto:nghuang&ieee.org
2011-08-09
[J_A_Sever] J. A. (Tony) Sever mailto:J.A.Sever&bra0119.wins.icl.co.uk
[Jean_Paul_Moreaux] Jean-Paul Moreaux mailto:jean-paul.moreaux&airbus.com
[Jim_Baldridge] Jim Baldridge mailto:jimb&rpower.com
[Lars_Mattsson] Lars Mattsson mailto:lars.mattsson&regin.se 2008-12-24
[Mark_Nijmeijer] Mark Nijmeijer mailto:Mark.Nijmeijer&citrix.com 2009-04-17
[Martin_Ellis] Martin Ellis mailto:martin&clanleagues.net 2004-11
[Microsoft_Corporation_3] Microsoft Corporation mailto:sachins&microsoft.com 2012-06-27
[Richard_Minner] Richard Minner http://xippix.com
[Roman_Oliynyk] Roman Oliynyk mailto:romano&netinst.com
[Roman_Oliynyk_2] Roman Oliynyk mailto:roman&netinst.com 2007-08-30
[Sachin_Sheth] Sachin Sheth Microsoft Corporation mailto:sachins&microsoft.com 2012-06-27
[Scott_Petrack] Scott Petrack mailto:Scott_Petrack&vocaltec.com
[Sten_H_Danielsen] Sten H. Danielsen mailto:shd&kopek.net 2002-07
[Urban_Fosseus] Urban Fosseus mailto:urban.fosseus&regin.se 2008-12-24
[Yasunari_Gon_Yamasit] Yasunari Gon Yamasita mailto:yamasita&omronsoft.co.jp