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
foresyte-clear 5407 udp Foresyte-Clear [Jorge_Aldana] [Jorge_Aldana]
foresyte-sec 5408 tcp Foresyte-Sec [Jorge_Aldana] [Jorge_Aldana]
foresyte-sec 5408 udp Foresyte-Sec [Jorge_Aldana] [Jorge_Aldana]
salient-dtasrv 5409 tcp Salient Data Server [Richard_Farnham] [Richard_Farnham]
salient-dtasrv 5409 udp Salient Data Server [Richard_Farnham] [Richard_Farnham]
salient-usrmgr 5410 tcp Salient User Manager [Richard_Farnham] [Richard_Farnham]
salient-usrmgr 5410 udp Salient User Manager [Richard_Farnham] [Richard_Farnham]
actnet 5411 tcp ActNet [Simon_Robillard] [Simon_Robillard]
actnet 5411 udp ActNet [Simon_Robillard] [Simon_Robillard]
continuus 5412 tcp Continuus [Steven_Holtsberg] [Steven_Holtsberg]
continuus 5412 udp Continuus [Steven_Holtsberg] [Steven_Holtsberg]
wwiotalk 5413 tcp WWIOTALK [Roger_Knobbe] [Roger_Knobbe]
wwiotalk 5413 udp WWIOTALK [Roger_Knobbe] [Roger_Knobbe]
statusd 5414 tcp StatusD [Stephen_Misel_2] [Stephen_Misel_2]
statusd 5414 udp StatusD [Stephen_Misel_2] [Stephen_Misel_2]
ns-server 5415 tcp NS Server [Jeffrey_Chiao] [Jeffrey_Chiao]
ns-server 5415 udp NS Server [Jeffrey_Chiao] [Jeffrey_Chiao]
sns-gateway 5416 tcp SNS Gateway [Mary_Holstage] [Mary_Holstage]
sns-gateway 5416 udp SNS Gateway [Mary_Holstage] [Mary_Holstage]
sns-agent 5417 tcp SNS Agent [Mary_Holstage] [Mary_Holstage]
sns-agent 5417 udp SNS Agent [Mary_Holstage] [Mary_Holstage]
mcntp 5418 tcp MCNTP [Heiko_Rupp] [Heiko_Rupp]
mcntp 5418 udp MCNTP [Heiko_Rupp] [Heiko_Rupp]
dj-ice 5419 tcp DJ-ICE [Don_Tyson_2] [Don_Tyson_2]
dj-ice 5419 udp DJ-ICE [Don_Tyson_2] [Don_Tyson_2]
cylink-c 5420 tcp Cylink-C [John_Jobe] [John_Jobe]
cylink-c 5420 udp Cylink-C [John_Jobe] [John_Jobe]
netsupport2 5421 tcp Net Support 2 [Paul_Sanders] [Paul_Sanders]
netsupport2 5421 udp Net Support 2 [Paul_Sanders] [Paul_Sanders]
salient-mux 5422 tcp Salient MUX [Richard_Farnham] [Richard_Farnham]
salient-mux 5422 udp Salient MUX [Richard_Farnham] [Richard_Farnham]
virtualuser 5423 tcp VIRTUALUSER [Chad_Williams] [Chad_Williams]
virtualuser 5423 udp VIRTUALUSER [Chad_Williams] [Chad_Williams]
beyond-remote 5424 tcp Beyond Remote [Michael_Berg] [Michael_Berg] 2004-11
beyond-remote 5424 udp Beyond Remote [Michael_Berg] [Michael_Berg] 2004-11
br-channel 5425 tcp Beyond Remote Command Channel [Michael_Berg] [Michael_Berg] 2005-08
br-channel 5425 udp Beyond Remote Command Channel [Michael_Berg] [Michael_Berg] 2005-08
devbasic 5426 tcp DEVBASIC [Curtis_Smith] [Curtis_Smith]
devbasic 5426 udp DEVBASIC [Curtis_Smith] [Curtis_Smith]
sco-peer-tta 5427 tcp SCO-PEER-TTA [Andrew_Shire] [Andrew_Shire]
sco-peer-tta 5427 udp SCO-PEER-TTA [Andrew_Shire] [Andrew_Shire]
telaconsole 5428 tcp TELACONSOLE [Joseph_M_Newcomer] [Joseph_M_Newcomer]
telaconsole 5428 udp TELACONSOLE [Joseph_M_Newcomer] [Joseph_M_Newcomer]
base 5429 tcp Billing and Accounting System Exchange [Odo_Maletzki] [Odo_Maletzki]
base 5429 udp Billing and Accounting System Exchange [Odo_Maletzki] [Odo_Maletzki]
radec-corp 5430 tcp RADEC CORP [David_Chell] [David_Chell]
radec-corp 5430 udp RADEC CORP [David_Chell] [David_Chell]
park-agent 5431 tcp PARK AGENT [John_Clifford] [John_Clifford]
park-agent 5431 udp PARK AGENT [John_Clifford] [John_Clifford]
postgresql 5432 tcp PostgreSQL Database [Tom_Lane] [Tom_Lane]
postgresql 5432 udp PostgreSQL Database [Tom_Lane] [Tom_Lane]
pyrrho 5433 tcp Pyrrho DBMS [Malcolm_Crowe] [Malcolm_Crowe] 2005-11
pyrrho 5433 udp Pyrrho DBMS [Malcolm_Crowe] [Malcolm_Crowe] 2005-11
sgi-arrayd 5434 tcp SGI Array Services Daemon [Karl_Feind] [Karl_Feind] 2005-10
sgi-arrayd 5434 udp SGI Array Services Daemon [Karl_Feind] [Karl_Feind] 2005-10
sceanics 5435 tcp SCEANICS situation and action notification [Richard_Olsen] [Richard_Olsen]
sceanics 5435 udp SCEANICS situation and action notification [Richard_Olsen] [Richard_Olsen]
5436 tcp Reserved
pmip6-cntl 5436 udp pmip6-cntl [RFC5844]
5437 tcp Reserved
pmip6-data 5437 udp pmip6-data [RFC5844]
5438-5442 Unassigned
spss 5443 tcp Pearson HTTPS [Pearson] [Pearson] 2008-01-17
spss 5443 udp Pearson HTTPS [Pearson] [Pearson] 2008-01-17
5444 Unassigned Known UNAUTHORIZED USE: Port 5444
smbdirect 5445 tcp Server Message Block over Remote Direct Memory Access [Microsoft_Corporation_2] [Tom_Talpey] 2012-03-15
5445 udp Reserved
smbdirect 5445 sctp Server Message Block over Remote Direct Memory Access [Microsoft_Corporation_2] [Tom_Talpey] 2012-03-15
5446-5449 Unassigned
tiepie 5450 tcp TiePie engineering data acquisition [TiePie_engineering] [Reinder_Feenstra] 2016-04-01
tiepie-disc 5450 udp TiePie engineering data acquisition (discovery) [TiePie_engineering] [Reinder_Feenstra] 2016-04-01
5451-5452 Unassigned
surebox 5453 tcp SureBox [Emin_BORU] [Emin_BORU] 2004-11
surebox 5453 udp SureBox [Emin_BORU] [Emin_BORU] 2004-11
apc-5454 5454 tcp APC 5454 [American_Power_Conve] [American_Power_Conve]
apc-5454 5454 udp APC 5454 [American_Power_Conve] [American_Power_Conve]
apc-5455 5455 tcp APC 5455 [American_Power_Conve] [American_Power_Conve]
apc-5455 5455 udp APC 5455 [American_Power_Conve] [American_Power_Conve]
apc-5456 5456 tcp APC 5456 [American_Power_Conve] [American_Power_Conve]
apc-5456 5456 udp APC 5456 [American_Power_Conve] [American_Power_Conve]
5457-5460 Unassigned
silkmeter 5461 tcp SILKMETER [Klaus_Fellner] [Klaus_Fellner]
silkmeter 5461 udp SILKMETER [Klaus_Fellner] [Klaus_Fellner]
ttl-publisher 5462 tcp TTL Publisher [Peter_Jacobs] [Peter_Jacobs]
ttl-publisher 5462 udp TTL Publisher [Peter_Jacobs] [Peter_Jacobs]
ttlpriceproxy 5463 tcp TTL Price Proxy [Peter_Jacobs] [Peter_Jacobs]
ttlpriceproxy 5463 udp TTL Price Proxy [Peter_Jacobs] [Peter_Jacobs]
quailnet 5464 tcp Quail Networks Object Broker [Craig_N_Bissell] [Craig_N_Bissell] 2006-04
quailnet 5464 udp Quail Networks Object Broker [Craig_N_Bissell] [Craig_N_Bissell] 2006-04
netops-broker 5465 tcp NETOPS-BROKER [John_R_Deuel] [John_R_Deuel]
netops-broker 5465 udp NETOPS-BROKER [John_R_Deuel] [John_R_Deuel]
5466-5469 Unassigned
apsolab-col 5470 tcp The Apsolab company's data collection protocol (native api) [Apsolab_Inc] [Jean-Francois_Gauthier] 2014-11-10
5470 udp Reserved
apsolab-cols 5471 tcp The Apsolab company's secure data collection protocol (native api) [Apsolab_Inc] [Jean-Francois_Gauthier] 2014-11-10
5471 udp Reserved
apsolab-tag 5472 tcp The Apsolab company's dynamic tag protocol [Apsolab_Inc] [Jean-Francois_Gauthier] 2014-11-10
5472 udp Reserved
apsolab-tags 5473 tcp The Apsolab company's secure dynamic tag protocol [Apsolab_Inc] [Jean-Francois_Gauthier] 2014-11-10
5473 udp Reserved
apsolab-rpc 5474 udp The Apsolab company's status query protocol [Apsolab_Inc] [Jean-Francois_Gauthier] 2014-11-10

Contact Information

ID Name Organization Contact URI Last Updated
[American_Power_Conve] American Power Conversion mailto:ports&apcc.com 2002-02
[Andrew_Shire] Andrew Shire mailto:sndrewsh&sco.com
[Apsolab_Inc] Apsolab Inc. mailto:admin&apsolab.com 2014-11-10
[Chad_Williams] Chad Williams mailto:chad&apple.com
[Craig_N_Bissell] Craig N. Bissell mailto:craig&quailnetworks.com 2006-04
[Curtis_Smith] Curtis Smith mailto:curtis.smith&vsin.com
[David_Chell] David Chell mailto:david&softlife.co.nz
[Don_Tyson_2] Don Tyson mailto:don.tyson&cor.dowjones.com
[Emin_BORU] Emin BORU mailto:emin&danismanlik.net 2004-11
[Heiko_Rupp] Heiko Rupp mailto:hwr&pilhuhn.de
[Jean-Francois_Gauthier] Jean-Francois Gauthier Apsolab Inc. mailto:jfgauthier&apsolab.com 2014-11-10
[Jeffrey_Chiao] Jeffrey Chiao mailto:chiaoj&netsoft.com
[John_Clifford] John Clifford mailto:John.Clifford&veritas.com
[John_Jobe] John Jobe mailto:jjobe&cylink.com
[John_R_Deuel] John R. Deuel mailto:kink&netops.com
[Jorge_Aldana] Jorge Aldana mailto:operator&foresyte.com
[Joseph_M_Newcomer] Joseph M. Newcomer mailto:newcomer&flounder.com
[Karl_Feind] Karl Feind mailto:kaf&sgi.com 2005-10
[Klaus_Fellner] Klaus Fellner mailto:webmaster&segue.com
mailto:kfellner&segue.com
[Malcolm_Crowe] Malcolm Crowe mailto:malcolm.crowe&paisley.ac.uk 2005-11
[Mary_Holstage] Mary Holstage mailto:holstege&firstfloor.com
[Michael_Berg] Michael Berg mailto:mike&dataapples.com 2005-08
[Microsoft_Corporation_2] Microsoft Corporation mailto:stdsreq&microsoft.com 2012-03-15
[Odo_Maletzki] Odo Maletzki mailto:Odo.Maletzki&ioag.de
[Paul_Sanders] Paul Sanders mailto:p.sanders&dial.pipex.com
[Pearson] Pearson mailto:chad.smith&pearson.com 2008-01-17
[Peter_Jacobs] Peter Jacobs mailto:pjacobs&tullib.com
[Reinder_Feenstra] Reinder Feenstra mailto:r.feenstra&tiepie.nl 2016-04-01
[Richard_Farnham] Richard Farnham mailto:rfarnham&salient.com
[Richard_Olsen] Richard Olsen mailto:olsen.richard&yahoo.com
[Roger_Knobbe] Roger Knobbe mailto:RogerK&wonderware.com
[Simon_Robillard] Simon Robillard mailto:RobillardS&actresearch.com
[Stephen_Misel_2] Stephen Misel mailto:steve&satelnet.org
[Steven_Holtsberg] Steven Holtsberg mailto:steveh&continuus.com
[TiePie_engineering] TiePie engineering mailto:tiepie&tiepie.nl 2016-04-01
[Tom_Lane] Tom Lane mailto:tgl&sss.pgh.pa.us
[Tom_Talpey] Tom Talpey Microsoft Corporation mailto:ttalpey&microsoft.com 2012-03-15