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
diagnose-proc 6072 tcp DIAGNOSE-PROC [Allan_Miller] [Allan_Miller]
diagnose-proc 6072 udp DIAGNOSE-PROC [Allan_Miller] [Allan_Miller]
directplay8 6073 tcp DirectPlay8 [John_Kane] [John_Kane]
directplay8 6073 udp DirectPlay8 [John_Kane] [John_Kane]
max 6074 tcp Microsoft Max [Jay_Beavers] [Jay_Beavers] 2006-02
max 6074 udp Microsoft Max [Jay_Beavers] [Jay_Beavers] 2006-02
dpm-acm 6075 tcp Microsoft DPM Access Control Manager [Prabu_Ambravaneswara] [Prabu_Ambravaneswara] 2009-10-29
6075 udp Reserved
msft-dpm-cert 6076 tcp Microsoft DPM WCF Certificates [Microsoft_Corporation] [Prateek_Sharma] 2011-08-04
6076 udp Reserved
iconstructsrv 6077 tcp iConstruct Server [iConstruct_Aus_Pty_Ltd] [Afshin_Jafari] 2012-12-21
6077 udp Reserved
6078-6079 Unassigned
gue 6080 udp Generic UDP Encapsulation [Tom_Herbert] [Tom_Herbert] 2015-03-05 [draft-herbert-gue]
6080 tcp Reserved
geneve 6081 udp Generic Network Virtualization Encapsulation (Geneve) [IESG] [IETF_Chair] 2014-03-27 2020-05-04 [RFC8926]
6081 tcp Reserved
6082 tcp Reserved
p25cai 6082 udp APCO Project 25 Common Air Interface - UDP encapsulation [APCO_Project] [APCO_Project] 2011-05-13
6083 tcp Reserved
miami-bcast 6083 udp telecomsoftware miami broadcast [Peter_Steiner] [Peter_Steiner] 2011-02-22
reload-config 6084 tcp Peer to Peer Infrastructure Configuration [IESG] [IETF_Chair] 2009-01-29 2013-03-26 [RFC6940]
6084 udp Reserved
konspire2b 6085 tcp konspire2b p2p network [Jason_Rohrer] [Jason_Rohrer] 2002-10
konspire2b 6085 udp konspire2b p2p network [Jason_Rohrer] [Jason_Rohrer] 2002-10
pdtp 6086 tcp PDTP P2P [Tony_Arcieri] [Tony_Arcieri] 2006-03
pdtp 6086 udp PDTP P2P [Tony_Arcieri] [Tony_Arcieri] 2006-03
ldss 6087 tcp Local Download Sharing Service [Clifford_Heath] [Clifford_Heath] 2006-05
ldss 6087 udp Local Download Sharing Service [Clifford_Heath] [Clifford_Heath] 2006-05
doglms 6088 tcp SuperDog License Manager [SafeNet] [Rob_Tao] 2012-07-26
doglms-notify 6088 udp SuperDog License Manager Notifier [SafeNet] [Rob_Tao] 2012-07-26
6089-6098 Unassigned
raxa-mgmt 6099 tcp RAXA Management [Sukanta_Ganguly] [Sukanta_Ganguly]
6099 udp Reserved
synchronet-db 6100 tcp SynchroNet-db [Arne_Haugland] [Arne_Haugland] Known Unauthorized Use on port 6100
synchronet-db 6100 udp SynchroNet-db [Arne_Haugland] [Arne_Haugland] Known Unauthorized Use on port 6100
synchronet-rtc 6101 tcp SynchroNet-rtc [Arne_Haugland] [Arne_Haugland]
synchronet-rtc 6101 udp SynchroNet-rtc [Arne_Haugland] [Arne_Haugland]
synchronet-upd 6102 tcp SynchroNet-upd [Arne_Haugland] [Arne_Haugland]
synchronet-upd 6102 udp SynchroNet-upd [Arne_Haugland] [Arne_Haugland]
rets 6103 tcp RETS [Jeremy_Crawford] [Jeremy_Crawford]
rets 6103 udp RETS [Jeremy_Crawford] [Jeremy_Crawford]
dbdb 6104 tcp DBDB [Aaron_Brick] [Aaron_Brick]
dbdb 6104 udp DBDB [Aaron_Brick] [Aaron_Brick]
primaserver 6105 tcp Prima Server [Prima_Designs_System] [Prima_Designs_System]
primaserver 6105 udp Prima Server [Prima_Designs_System] [Prima_Designs_System]
mpsserver 6106 tcp MPS Server [Prima_Designs_System] [Prima_Designs_System]
mpsserver 6106 udp MPS Server [Prima_Designs_System] [Prima_Designs_System]
etc-control 6107 tcp ETC Control [Electronic_Theatre_Controls_Inc] [ETC_IANA_Registration] 2021-09-24
etc-control 6107 udp ETC Control [Electronic_Theatre_Controls_Inc] [ETC_IANA_Registration] 2021-09-24
sercomm-scadmin 6108 tcp Sercomm-SCAdmin [Melinda_Tsao_2] [Melinda_Tsao_2]
sercomm-scadmin 6108 udp Sercomm-SCAdmin [Melinda_Tsao_2] [Melinda_Tsao_2]
globecast-id 6109 tcp GLOBECAST-ID [Piers_Scannell_2] [Piers_Scannell_2]
globecast-id 6109 udp GLOBECAST-ID [Piers_Scannell_2] [Piers_Scannell_2]
softcm 6110 tcp HP SoftBench CM [Scott_A_Kramer] [Scott_A_Kramer]
softcm 6110 udp HP SoftBench CM [Scott_A_Kramer] [Scott_A_Kramer]
spc 6111 tcp HP SoftBench Sub-Process Control [Scott_A_Kramer] [Scott_A_Kramer]
spc 6111 udp HP SoftBench Sub-Process Control [Scott_A_Kramer] [Scott_A_Kramer]
dtspcd 6112 tcp Desk-Top Sub-Process Control Daemon [Doug_Royer] [Doug_Royer] 2010-12-08
dtspcd 6112 udp Desk-Top Sub-Process Control Daemon [Doug_Royer] [Doug_Royer] 2010-12-08
dayliteserver 6113 tcp Daylite Server [Brent_Gulanowski] [Brent_Gulanowski] 2009-08-26
6113 udp Reserved
wrspice 6114 tcp WRspice IPC Service [Stephen_R_Whiteley] [Stephen_R_Whiteley] 2010-10-07
6114 udp Reserved
xic 6115 tcp Xic IPC Service [Stephen_R_Whiteley] [Stephen_R_Whiteley] 2010-10-07
6115 udp Reserved
xtlserv 6116 tcp XicTools License Manager Service [Stephen_R_Whiteley] [Stephen_R_Whiteley] 2010-10-07
6116 udp Reserved
daylitetouch 6117 tcp Daylite Touch Sync [Brent_Gulanowski] [Brent_Gulanowski] 2009-08-26
6117 udp Reserved
tipc 6118 udp Transparent Inter Process Communication [Ericsson] [Erik_Hugne] 2012-09-05
6118 tcp Reserved
6119-6120 Unassigned
spdy 6121 tcp SPDY for a faster web [Matthew_Lloyd] [Matthew_Lloyd] 2010-04-26
6121 udp Reserved
bex-webadmin 6122 tcp Backup Express Web Server [Catalogic_Software_Inc] [Chi_Shih_Chang] 2008-03-19 2015-02-04
bex-webadmin 6122 udp Backup Express Web Server [Catalogic_Software_Inc] [Chi_Shih_Chang] 2008-03-19 2015-02-04
backup-express 6123 tcp Backup Express [Catalogic_Software_Inc] [Chi_Shih_Chang] 2008-03-19 2015-02-04
backup-express 6123 udp Backup Express [Catalogic_Software_Inc] [Chi_Shih_Chang] 2008-03-19 2015-02-04
pnbs 6124 tcp Phlexible Network Backup Service [William_R_Lear_2] [William_R_Lear_2] 2008-10-23
pnbs 6124 udp Phlexible Network Backup Service [William_R_Lear_2] [William_R_Lear_2] 2008-10-23
6125-6129 Unassigned
damewaremobgtwy 6130 tcp The DameWare Mobile Gateway Service [SolarWinds] [David_Gayler] 2013-05-29
6130 udp Reserved
6131-6132 Unassigned
nbt-wol 6133 tcp New Boundary Tech WOL [Elizabeth_Zilen] [Elizabeth_Zilen] 2004-11
nbt-wol 6133 udp New Boundary Tech WOL [Elizabeth_Zilen] [Elizabeth_Zilen] 2004-11
6134-6139 Unassigned
pulsonixnls 6140 tcp Pulsonix Network License Service [David_Manns] [David_Manns] 2008-02-28
pulsonixnls 6140 udp Pulsonix Network License Service [David_Manns] [David_Manns] 2008-02-28
meta-corp 6141 tcp Meta Corporation License Manager [Osamu_Masuda] [Osamu_Masuda]
meta-corp 6141 udp Meta Corporation License Manager [Osamu_Masuda] [Osamu_Masuda]
aspentec-lm 6142 tcp Aspen Technology License Manager [Kevin_Massey] [Kevin_Massey]
aspentec-lm 6142 udp Aspen Technology License Manager [Kevin_Massey] [Kevin_Massey]
watershed-lm 6143 tcp Watershed License Manager [David_Ferrero] [David_Ferrero]
watershed-lm 6143 udp Watershed License Manager [David_Ferrero] [David_Ferrero]
statsci1-lm 6144 tcp StatSci License Manager - 1 [Scott_Blachowicz] [Scott_Blachowicz]
statsci1-lm 6144 udp StatSci License Manager - 1 [Scott_Blachowicz] [Scott_Blachowicz]
statsci2-lm 6145 tcp StatSci License Manager - 2 [Scott_Blachowicz] [Scott_Blachowicz]
statsci2-lm 6145 udp StatSci License Manager - 2 [Scott_Blachowicz] [Scott_Blachowicz]
lonewolf-lm 6146 tcp Lone Wolf Systems License Manager [Dan_Klein] [Dan_Klein]

Contact Information

ID Name Organization Contact URI Last Updated
[APCO_Project] Steve Glass APCO Project 25 mailto:admin&sedition.org.au 2011-05-13
[Aaron_Brick] Aaron Brick mailto:aa&lithic.org
[Afshin_Jafari] Afshin Jafari iConstruct (Aus) Pty Ltd mailto:jafari&pdcwa.com.au 2012-12-21
[Allan_Miller] Allan Miller mailto:amiller&handsfreenetworks.com
[Arne_Haugland] Arne Haugland mailto:Arne.Haugland&parasoldev.com
[Brent_Gulanowski] Brent Gulanowski mailto:bgulanowski&marketcircle.com 2009-08-26
[Catalogic_Software_Inc] Catalogic Software, Inc. mailto:cchang&catalogicsoftware.com 2015-02-04
[Chi_Shih_Chang] Chi Shih Chang Catalogic Software, Inc. mailto:cchang&catalogicsoftware.com 2015-02-04
[Clifford_Heath] Clifford Heath mailto:cjh&managesoft.com 2006-05
[Dan_Klein] Dan Klein mailto:daniel.v.klein&gmail.com 2018-08-21
[David_Ferrero] David Ferrero mailto:david&zion.com
[David_Gayler] David Gayler SolarWinds mailto:david.gayler&solarwinds.com 2013-05-29
[David_Manns] David Manns mailto:davidm&pulsonix.com 2008-02-28
[Doug_Royer] Doug Royer mailto:DouglasRoyer&gmail.com 2010-12-09
[Electronic_Theatre_Controls_Inc] Electronic Theatre Controls, Inc. mailto:ianaregistration&etcconnect.com 2021-09-24
[Elizabeth_Zilen] Elizabeth Zilen mailto:ezilen&newboundary.com 2004-11
[Ericsson] Ericsson mailto:erik.hugne&ericsson.com 2012-09-05
[Erik_Hugne] Erik Hugne Ericsson mailto:erik.hugne&ericsson.com 2012-09-05
[ETC_IANA_Registration] ETC IANA Registration Electronic Theatre Controls, Inc. mailto:ianaregistration&etcconnect.com 2021-09-24
[IESG] IESG mailto:iesg&ietf.org
[IETF_Chair] IETF Chair IETF mailto:chair&ietf.org
[iConstruct_Aus_Pty_Ltd] iConstruct (Aus) Pty Ltd mailto:jafari&pdcwa.com.au 2012-12-21
[Jason_Rohrer] Jason Rohrer mailto:rohrer&cse.ucsc.edu 2002-10
[Jay_Beavers] Jay Beavers mailto:Jay.Beavers&microsoft.com 2006-02
[Jeremy_Crawford] Jeremy Crawford mailto:jeremy&reso.org 2015-09-07
[John_Kane] John Kane mailto:johnkan&microsoft.com
[Kevin_Massey] Kevin Massey mailto:massey&aspentec.com
[Matthew_Lloyd] Matthew Lloyd mailto:mlloyd&google.com 2010-04-26
[Melinda_Tsao_2] Melinda Tsao mailto:melinda_tsao&mail.sercomm.com.tw
[Microsoft_Corporation] Microsoft Corporation mailto:pratshar&microsoft.com 2011-08-04
[Osamu_Masuda] Osamu Masuda
[Peter_Steiner] Peter Steiner mailto:steiner&telecomsoftware.com 2011-02-22
[Piers_Scannell_2] Piers Scannell mailto:piers&globecastne.com
[Prabu_Ambravaneswara] Prabu Ambravaneswaran mailto:prambrav&microsoft.com 2009-10-29
[Prateek_Sharma] Prateek Sharma mailto:pratshar&microsoft.com 2011-08-04
[Prima_Designs_System] Prima Designs Systems Ltd. mailto:info&prima.com.hk
[Rob_Tao] Rob Tao SafeNet mailto:rtao&safenet-inc.com 2012-07-26
[SafeNet] SafeNet mailto:rtao&safenet-inc.com 2012-07-26
[Scott_A_Kramer] Scott A. Kramer mailto:sk&tleilaxu.sde.hp.com
[Scott_Blachowicz] Scott Blachowicz mailto:scott&statsci.com
[SolarWinds] SolarWinds mailto:david.gayler&solarwinds.com 2013-05-29
[Stephen_R_Whiteley] Stephen R. Whiteley mailto:stevew&wrcad.com 2010-10-07
[Sukanta_Ganguly] Sukanta Ganguly mailto:sganguly&kineticnetworks.com
[Tom_Herbert] Tom Herbert mailto:tom&herbertland.com 2017-05-19
[Tony_Arcieri] Tony Arcieri mailto:bascule&gmail.com 2006-03
[William_R_Lear_2] William R. Lear mailto:wlear&phlexible.com 2008-10-23