Internet Assigned Numbers Authority

Service Name and Transport Protocol Port Number Registry

Last Updated
2024-03-18
Expert(s)
TCP/UDP: Joe Touch; Eliot Lear, Kumiko Ono, Wes Eddy, Brian Trammell, 
Jana Iyengar, and Michael Scharf
SCTP: 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 different uses of these ranges are 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.                                                   *
************************************************************************

Request an Assignment
  [https://www.iana.org/protocols/apply]

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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
9666 udp Reserved
xmms2 9667 tcp Cross-platform Music Multiplexing System [Juho_Herttua] [Juho_Herttua] 2009-04-14
xmms2 9667 udp Cross-platform Music Multiplexing System [Juho_Herttua] [Juho_Herttua]
tec5-sdctp 9668 tcp tec5 Spectral Device Control Protocol [Michael_Muth] [Michael_Muth] 2009-05-11
tec5-sdctp 9668 udp tec5 Spectral Device Control Protocol [Michael_Muth] [Michael_Muth] 2009-05-11
9669-9693 Unassigned
client-wakeup 9694 tcp T-Mobile Client Wakeup Message [Michael_Schonborn] [Michael_Schonborn] 2009-09-11
client-wakeup 9694 udp T-Mobile Client Wakeup Message [Michael_Schonborn] [Michael_Schonborn] 2009-09-11
ccnx 9695 tcp Content Centric Networking [Van_Jacobson_2][Simon_Barber] [Van_Jacobson_2][Simon_Barber] 2009-09-29
ccnx 9695 udp Content Centric Networking [Van_Jacobson_2][Simon_Barber] [Van_Jacobson_2][Simon_Barber] 2009-09-29
9696-9699 Unassigned
board-roar 9700 tcp Board M.I.T. Service [Francesco_Rosi] [Francesco_Rosi] 2006-01
board-roar 9700 udp Board M.I.T. Service [Francesco_Rosi] [Francesco_Rosi] 2006-01
9701-9746 Unassigned
l5nas-parchan 9747 tcp L5NAS Parallel Channel [Lawrence_J_Dickson] [Lawrence_J_Dickson] 2002-03
l5nas-parchan 9747 udp L5NAS Parallel Channel [Lawrence_J_Dickson] [Lawrence_J_Dickson] 2002-03
9748-9749 Unassigned
board-voip 9750 tcp Board M.I.T. Synchronous Collaboration [Francesco_Rosi] [Francesco_Rosi] 2006-01
board-voip 9750 udp Board M.I.T. Synchronous Collaboration [Francesco_Rosi] [Francesco_Rosi] 2006-01
9751-9752 Unassigned
rasadv 9753 tcp rasadv [Dave_Thaler_2] [Dave_Thaler_2]
rasadv 9753 udp rasadv [Dave_Thaler_2] [Dave_Thaler_2]
9754-9761 Unassigned
tungsten-http 9762 tcp WSO2 Tungsten HTTP [Afkham_Azeez] [Afkham_Azeez] 2006-06
tungsten-http 9762 udp WSO2 Tungsten HTTP [Afkham_Azeez] [Afkham_Azeez] 2006-06
9763-9799 Unassigned
davsrc 9800 tcp WebDav Source Port [Ethan_Fremen] [Ethan_Fremen]
davsrc 9800 udp WebDav Source Port [Ethan_Fremen] [Ethan_Fremen]
sstp-2 9801 tcp Sakura Script Transfer Protocol-2 [Kouichi_Takeda_2] [Kouichi_Takeda_2]
sstp-2 9801 udp Sakura Script Transfer Protocol-2 [Kouichi_Takeda_2] [Kouichi_Takeda_2]
davsrcs 9802 tcp WebDAV Source TLS/SSL [Rob_Isaac] [Rob_Isaac] 2003-07
davsrcs 9802 udp WebDAV Source TLS/SSL [Rob_Isaac] [Rob_Isaac] 2003-07
9803-9874 Unassigned
sapv1 9875 tcp Session Announcement v1 [RFC2974]
sapv1 9875 udp Session Announcement v1 [RFC2974]
sd 9876 tcp Session Director [Van_Jacobson] [Van_Jacobson]
x510 9877 tcp The X.510 wrapper protocol [ITU_TSB_ITU-T_Study_Group_17] [Erik_Andersen] 2019-09-30 [ITU-T X.510 / ISO/IEC 9584-11]
9877 udp Reserved
kca-service 9878 udp The KX509 Kerberized Certificate Issuance Protocol in Use in 2012 [IESG] [IETF_Chair] 2012-07-12 [RFC6717] Historically, this service has been referred to as "kca_service", but this service name does not meet the registry requirements.
9878 tcp Reserved
9879-9887 Unassigned
cyborg-systems 9888 tcp CYBORG Systems [Malcolm_Graham] [Malcolm_Graham]
cyborg-systems 9888 udp CYBORG Systems [Malcolm_Graham] [Malcolm_Graham]
gt-proxy 9889 tcp Port for Cable network related data proxy or repeater [Dawei_Qi] [Dawei_Qi] 2010-07-07
gt-proxy 9889 udp Port for Cable network related data proxy or repeater [Dawei_Qi] [Dawei_Qi] 2010-07-07
9890-9897 Unassigned
monkeycom 9898 tcp MonkeyCom [Yuji_Kuwabara] [Yuji_Kuwabara]
monkeycom 9898 udp MonkeyCom [Yuji_Kuwabara] [Yuji_Kuwabara]
9899 tcp Reserved 2013-04-10
sctp-tunneling 9899 udp SCTP TUNNELING [IESG] [IETF_Chair] 2013-04-10 [RFC6951]
iua 9900 tcp IUA [Lyndon_Ong_2] [Lyndon_Ong_2]
iua 9900 udp IUA [Lyndon_Ong_2] [Lyndon_Ong_2]
iua 9900 sctp IUA [Lyndon_Ong_2] [Lyndon_Ong_2]
enrp 9901 udp enrp server channel
enrp-sctp 9901 sctp enrp server channel [RFC5353]
enrp-sctp-tls 9902 sctp enrp/tls server channel [RFC5353]
9903 tcp Reserved
multicast-ping 9903 udp Multicast Ping Protocol 2011-12-09 [RFC6450]
9904-9908 Unassigned
domaintime 9909 tcp domaintime [Jeffry_Dwight] [Jeffry_Dwight]
domaintime 9909 udp domaintime [Jeffry_Dwight] [Jeffry_Dwight]
9910 Unassigned
sype-transport 9911 tcp SYPECom Transport Protocol [Sylvain_Pedneault] [Sylvain_Pedneault] 2003-03
sype-transport 9911 udp SYPECom Transport Protocol [Sylvain_Pedneault] [Sylvain_Pedneault] 2003-03
9912-9924 Unassigned
xybrid-cloud 9925 tcp XYBRID Cloud [Rx_Networks_Inc_2] [Drew_Davies_2] 2013-04-25
9925 udp Reserved
9926-9949 Unassigned
apc-9950 9950 tcp APC 9950 [American_Power_Conve] [American_Power_Conve]
apc-9950 9950 udp APC 9950 [American_Power_Conve] [American_Power_Conve]
apc-9951 9951 tcp APC 9951 [American_Power_Conve] [American_Power_Conve]
apc-9951 9951 udp APC 9951 [American_Power_Conve] [American_Power_Conve]
apc-9952 9952 tcp APC 9952 [American_Power_Conve] [American_Power_Conve]
apc-9952 9952 udp APC 9952 [American_Power_Conve] [American_Power_Conve]
acis 9953 tcp 9953 [Thomas_Guth] [Thomas_Guth] 2006-01
acis 9953 udp 9953 [Thomas_Guth] [Thomas_Guth] 2006-01
hinp 9954 tcp HaloteC Instrument Network Protocol [HaloteC_Instruments] [Michel_Stam] 2012-02-07
9954 udp Reserved
alljoyn-stm 9955 tcp Contact Port for AllJoyn standard messaging [Qualcomm_Innovation_Center] [Craig_Dowell] 2012-03-14
alljoyn-mcm 9955 udp Contact Port for AllJoyn multiplexed constrained messaging [Qualcomm_Innovation_Center] [Craig_Dowell] 2012-03-14
9956 tcp Reserved
alljoyn 9956 udp Alljoyn Name Service [Qualcomm_Innovation_Center] [Craig_Dowell] 2011-12-21
9957-9965 Unassigned
odnsp 9966 tcp OKI Data Network Setting Protocol [Masato_Sato] [Masato_Sato] 2006-05
odnsp 9966 udp OKI Data Network Setting Protocol [Masato_Sato] [Masato_Sato] 2006-05
9967-9977 Unassigned
xybrid-rt 9978 tcp XYBRID RT Server [Rx_Networks_Inc] [Drew_Davies] 2013-01-24
9978 udp Reserved
visweather 9979 tcp Valley Information Systems Weather station data [Valley_Information_Systems_Inc] [Michael_Walsh_2] 2017-05-12
9979 udp Reserved
9980 Unassigned
pumpkindb 9981 tcp Event sourcing database engine with a built-in programming language [Eventsourcing_Inc] [Yurii_Rashkovskii] 2017-04-18
9981 udp Reserved
9982-9986 Unassigned
dsm-scm-target 9987 tcp DSM/SCM Target Interface [Mike_Dyslin] [Mike_Dyslin] 2006-08
dsm-scm-target 9987 udp DSM/SCM Target Interface [Mike_Dyslin] [Mike_Dyslin] 2006-08
nsesrvr 9988 tcp Software Essentials Secure HTTP server [Narayanan_Raju] [Narayanan_Raju] 2009-02-05
9988 udp Reserved
9989-9989 Unassigned
osm-appsrvr 9990 tcp OSM Applet Server [Vinay_Gupta] [Vinay_Gupta] 2003-08
osm-appsrvr 9990 udp OSM Applet Server [Vinay_Gupta] [Vinay_Gupta] 2003-08

Contact Information

ID Name Organization Contact URI Last Updated
[Afkham_Azeez] Afkham Azeez mailto:azeez&wso2.com 2006-06
[American_Power_Conve] American Power Conversion mailto:ports&apcc.com 2002-02
[Craig_Dowell] Craig Dowell Qualcomm Innovation Center, Inc. mailto:cdowell&quicinc.com 2011-12-21
[Dave_Thaler_2] Dave Thaler mailto:dthaler&microsoft.com
[Dawei_Qi] Dawei Qi mailto:dqi&galaxytelecomms.com 2010-07-07
[Drew_Davies] Drew Davies Rx Networks Inc. mailto:ddavies&rxnetworks.com 2013-01-24
[Drew_Davies_2] Drew Davies Rx Networks Inc. mailto:ddavies&rxnetworks.com 2013-04-25
[Erik_Andersen] Erik Andersen mailto:era&x500.eu 2019-08-13
[Ethan_Fremen] Ethan Fremen mailto:mindlace&digicool.com
[Eventsourcing_Inc] Eventsourcing, Inc. mailto:accounts&eventsourcing.com 2017-04-18
[Francesco_Rosi] Francesco Rosi mailto:frosi&orenburg.com 2006-01
[HaloteC_Instruments] HaloteC Instruments B.V. mailto:michel.stam&halotec.com 2012-02-07
[IESG] IESG mailto:iesg&ietf.org
[IETF_Chair] IETF Chair IETF mailto:chair&ietf.org
[ITU_TSB_ITU-T_Study_Group_17] ITU/TSB (ITU-T Study Group 17) mailto:tsbsg17&itu.int 2019-09-30
[Jeffry_Dwight] Jeffry Dwight mailto:jeffryd&greyware.com
[Juho_Herttua] Juho Vähä-Herttua mailto:juhovh&iki.fi 2009-04-14
[Kouichi_Takeda_2] Kouichi Takeda mailto:KHB05271&nifty.com
[Lawrence_J_Dickson] Lawrence J. Dickson Land-5 Corporation mailto:ldickson&land-5.com 2002-03
[Lyndon_Ong_2] Lyndon Ong mailto:Lyong&ciena.com
[Malcolm_Graham] Malcolm Graham mailto:Malcolm_Graham&cyborg.com
[Masato_Sato] Masato Sato mailto:satou203&oki.com 2006-05
[Michael_Muth] Michael Muth mailto:m.muth&tec5.com 2009-05-11
[Michael_Schonborn] Michael Schönborn T-Mobile International AG mailto:michael.schoenborn&t-mobile.net 2009-09-11
[Michael_Walsh_2] Michael Walsh mailto:michael.walsh&valleyinfosys.com 2017-05-12
[Michel_Stam] Michel Stam HaloteC Instruments B.V. mailto:michel.stam&halotec.com 2012-02-07
[Mike_Dyslin] Mike Dyslin mailto:mike.dyslin&hp.com 2006-08
[Narayanan_Raju] Narayanan Raju mailto:narayanan.raju&hp.com 2009-02-05
[Qualcomm_Innovation_Center] Qualcomm Innovation Center, Inc. mailto:cdowell&quicinc.com 2011-12-21
[Rob_Isaac] Rob Isaac mailto:rob&automagic.org 2003-07
[Rx_Networks_Inc] Rx Networks Inc. mailto:ddavies&rxnetworks.com 2013-01-24
[Rx_Networks_Inc_2] Rx Networks Inc. mailto:ddavies&rxnetworks.com 2013-04-25
[Simon_Barber] Simon Barber mailto:simon.barber&parc.com 2009-09-29
[Sylvain_Pedneault] Sylvain Pedneault mailto:sylvain&sypecom.qc.ca 2003-03
[Thomas_Guth] Thomas Guth mailto:t.guth&zeiss.de 2006-01
[Valley_Information_Systems_Inc] Valley Information Systems, Inc. mailto:info@valleyinfosys.com> 2017-05-12
[Van_Jacobson] Van Jacobson mailto:van&ee.lbl.gov
[Van_Jacobson_2] Van Jacobson mailto:van&parc.com 2009-09-29
[Vinay_Gupta] Vinay Gupta mailto:vinay.gupta&hp.com 2003-08
[Yuji_Kuwabara] Yuji Kuwabara mailto:HHG01200&niftyserve.or.jp
[Yurii_Rashkovskii] Yurii Rashkovskii mailto:yrashk&eventsourcing.com 2017-04-18