Service Name and Transport Protocol Port Number Registry

Last Updated
2018-12-03
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 Known Unauthorized Uses Assignment Notes
ica 1494 udp ica [John_Richardson] [John_Richardson]
cvc 1495 tcp cvc [Bill_Davidson] [Bill_Davidson]
cvc 1495 udp cvc [Bill_Davidson] [Bill_Davidson]
liberty-lm 1496 tcp liberty-lm [Jim_Rogers] [Jim_Rogers]
liberty-lm 1496 udp liberty-lm [Jim_Rogers] [Jim_Rogers]
rfx-lm 1497 tcp rfx-lm [Bill_Bishop] [Bill_Bishop]
rfx-lm 1497 udp rfx-lm [Bill_Bishop] [Bill_Bishop]
sybase-sqlany 1498 tcp Sybase SQL Any [Dave_Neudoerffer] [Dave_Neudoerffer]
sybase-sqlany 1498 udp Sybase SQL Any [Dave_Neudoerffer] [Dave_Neudoerffer]
fhc 1499 tcp Federico Heinz Consultora [Federico_Heinz] [Federico_Heinz]
fhc 1499 udp Federico Heinz Consultora [Federico_Heinz] [Federico_Heinz]
vlsi-lm 1500 tcp VLSI License Manager [Shue_Lin_Kuo] [Shue_Lin_Kuo]
vlsi-lm 1500 udp VLSI License Manager [Shue_Lin_Kuo] [Shue_Lin_Kuo]
saiscm 1501 tcp Satellite-data Acquisition System 3 [Bill_Taylor] [Bill_Taylor]
saiscm 1501 udp Satellite-data Acquisition System 3 [Bill_Taylor] [Bill_Taylor]
shivadiscovery 1502 tcp Shiva [Jonathan_Wenocur] [Jonathan_Wenocur]
shivadiscovery 1502 udp Shiva [Jonathan_Wenocur] [Jonathan_Wenocur]
imtc-mcs 1503 tcp Databeam [Jim_Johnston] [Jim_Johnston]
imtc-mcs 1503 udp Databeam [Jim_Johnston] [Jim_Johnston]
evb-elm 1504 tcp EVB Software Engineering License Manager [B_G_Mahesh] [B_G_Mahesh]
evb-elm 1504 udp EVB Software Engineering License Manager [B_G_Mahesh] [B_G_Mahesh]
funkproxy 1505 tcp Funk Software, Inc. [Robert_D_Vincent] [Robert_D_Vincent]
funkproxy 1505 udp Funk Software, Inc. [Robert_D_Vincent] [Robert_D_Vincent]
utcd 1506 tcp Universal Time daemon (utcd) [Walter_Poxon] [Walter_Poxon]
utcd 1506 udp Universal Time daemon (utcd) [Walter_Poxon] [Walter_Poxon]
symplex 1507 tcp symplex [Mike_Turley] [Mike_Turley]
symplex 1507 udp symplex [Mike_Turley] [Mike_Turley]
diagmond 1508 tcp diagmond [Pete_Moscatelli] [Pete_Moscatelli]
diagmond 1508 udp diagmond [Pete_Moscatelli] [Pete_Moscatelli]
robcad-lm 1509 tcp Robcad, Ltd. License Manager [Hindin_Joseph] [Hindin_Joseph]
robcad-lm 1509 udp Robcad, Ltd. License Manager [Hindin_Joseph] [Hindin_Joseph]
mvx-lm 1510 tcp Midland Valley Exploration Ltd. Lic. Man. [Neil_Salter] [Neil_Salter]
mvx-lm 1510 udp Midland Valley Exploration Ltd. Lic. Man. [Neil_Salter] [Neil_Salter]
3l-l1 1511 tcp 3l-l1 [Ian_A_Young] [Ian_A_Young]
3l-l1 1511 udp 3l-l1 [Ian_A_Young] [Ian_A_Young]
wins 1512 tcp Microsoft's Windows Internet Name Service [Pradeep_Bahl] [Pradeep_Bahl]
wins 1512 udp Microsoft's Windows Internet Name Service [Pradeep_Bahl] [Pradeep_Bahl]
fujitsu-dtc 1513 tcp Fujitsu Systems Business of America, Inc
fujitsu-dtc 1513 udp Fujitsu Systems Business of America, Inc
fujitsu-dtcns 1514 tcp Fujitsu Systems Business of America, Inc [Charles_A_Higgins] [Charles_A_Higgins]
fujitsu-dtcns 1514 udp Fujitsu Systems Business of America, Inc [Charles_A_Higgins] [Charles_A_Higgins]
ifor-protocol 1515 tcp ifor-protocol [Dr_R_P_Alston] [Dr_R_P_Alston]
ifor-protocol 1515 udp ifor-protocol [Dr_R_P_Alston] [Dr_R_P_Alston]
vpad 1516 tcp Virtual Places Audio data
vpad 1516 udp Virtual Places Audio data
vpac 1517 tcp Virtual Places Audio control
vpac 1517 udp Virtual Places Audio control
vpvd 1518 tcp Virtual Places Video data
vpvd 1518 udp Virtual Places Video data
vpvc 1519 tcp Virtual Places Video control [Avshalom_Houri] [Avshalom_Houri]
vpvc 1519 udp Virtual Places Video control [Avshalom_Houri] [Avshalom_Houri]
atm-zip-office 1520 tcp atm zip office [Wilson_Kwan] [Wilson_Kwan]
atm-zip-office 1520 udp atm zip office [Wilson_Kwan] [Wilson_Kwan]
ncube-lm 1521 tcp nCube License Manager [Maxine_Yuen] [Maxine_Yuen]
ncube-lm 1521 udp nCube License Manager [Maxine_Yuen] [Maxine_Yuen]
ricardo-lm 1522 tcp Ricardo North America License Manager [Mike_Flemming] [Mike_Flemming]
ricardo-lm 1522 udp Ricardo North America License Manager [Mike_Flemming] [Mike_Flemming]
cichild-lm 1523 tcp cichild [Andy_Burgess] [Andy_Burgess]
cichild-lm 1523 udp cichild [Andy_Burgess] [Andy_Burgess]
ingreslock 1524 tcp ingres
ingreslock 1524 udp ingres
orasrv 1525 tcp oracle
orasrv 1525 udp oracle
prospero-np 1525 tcp Prospero Directory Service non-priv
prospero-np 1525 udp Prospero Directory Service non-priv
pdap-np 1526 tcp Prospero Data Access Prot non-priv [B_Clifford_Neuman] [B_Clifford_Neuman]
pdap-np 1526 udp Prospero Data Access Prot non-priv [B_Clifford_Neuman] [B_Clifford_Neuman]
tlisrv 1527 tcp oracle
tlisrv 1527 udp oracle
1528 tcp Reserved
ngr-t 1528 udp NGR transport protocol for mobile ad-hoc networks [nyantec] [Mikael_Voss] 2016-09-13
coauthor 1529 tcp oracle
coauthor 1529 udp oracle
rap-service 1530 tcp rap-service
rap-service 1530 udp rap-service
rap-listen 1531 tcp rap-listen [Phil_Servita] [Phil_Servita]
rap-listen 1531 udp rap-listen [Phil_Servita] [Phil_Servita]
miroconnect 1532 tcp miroconnect [Michael_Fischer_2] [Michael_Fischer_2]
miroconnect 1532 udp miroconnect [Michael_Fischer_2] [Michael_Fischer_2]
virtual-places 1533 tcp Virtual Places Software [Avshalom_Houri] [Avshalom_Houri]
virtual-places 1533 udp Virtual Places Software [Avshalom_Houri] [Avshalom_Houri]
micromuse-lm 1534 tcp micromuse-lm [Adam_Kerrison] [Adam_Kerrison]
micromuse-lm 1534 udp micromuse-lm [Adam_Kerrison] [Adam_Kerrison]
ampr-info 1535 tcp ampr-info
ampr-info 1535 udp ampr-info
ampr-inter 1536 tcp ampr-inter [Rob_Janssen] [Rob_Janssen]
ampr-inter 1536 udp ampr-inter [Rob_Janssen] [Rob_Janssen]
sdsc-lm 1537 tcp isi-lm [Len_Wanger] [Len_Wanger]
sdsc-lm 1537 udp isi-lm [Len_Wanger] [Len_Wanger]
3ds-lm 1538 tcp 3ds-lm [Keith_Trummel] [Keith_Trummel]
3ds-lm 1538 udp 3ds-lm [Keith_Trummel] [Keith_Trummel]
intellistor-lm 1539 tcp Intellistor License Manager [Ron_Vaughn] [Ron_Vaughn]
intellistor-lm 1539 udp Intellistor License Manager [Ron_Vaughn] [Ron_Vaughn]
rds 1540 tcp rds
rds 1540 udp rds
rds2 1541 tcp rds2 [Sudhakar_Rajamannar] [Sudhakar_Rajamannar]
rds2 1541 udp rds2 [Sudhakar_Rajamannar] [Sudhakar_Rajamannar]
gridgen-elmd 1542 tcp gridgen-elmd [John_R_Chawner] [John_R_Chawner]
gridgen-elmd 1542 udp gridgen-elmd [John_R_Chawner] [John_R_Chawner]
simba-cs 1543 tcp simba-cs [Betsy_Alexander] [Betsy_Alexander]
simba-cs 1543 udp simba-cs [Betsy_Alexander] [Betsy_Alexander]

People

ID Name Organization Contact URI Last Updated
[Adam_Kerrison] Adam Kerrison mailto:adam&micromuse.co.uk
[Andy_Burgess] Andy Burgess mailto:aab&cichlid.com
[Avshalom_Houri] Avshalom Houri mailto:Avshalom&ubique.com
[B_Clifford_Neuman] B. Clifford Neuman mailto:bcn&isi.edu
[B_G_Mahesh] B.G. Mahesh mailto:mahesh&sett.com
[Betsy_Alexander] Betsy Alexander tel:+1-604-681-4549
[Bill_Bishop] Bill Bishop mailto:bil&rfx.rfx.com
[Bill_Davidson] Bill Davidson mailto:billd&equalizer.cray.com
[Bill_Taylor] Bill Taylor mailto:sais&ssec.wisc.edu
[Charles_A_Higgins] Charles A. Higgins mailto:75730.2257&compuserve.com
[Dave_Neudoerffer] Dave Neudoerffer mailto:Dave.Neudoerffer&ianywhere.com
[Dr_R_P_Alston] Dr. R.P. Alston mailto:robin&gradient.com
[Federico_Heinz] Federico Heinz mailto:federico&heinz.com
[Hindin_Joseph] Hindin Joseph mailto:hindin%25robcad@uunet.uu.net
[Ian_A_Young] Ian A. Young mailto:iay&threel.co.uk
[Jim_Johnston] Jim Johnston mailto:jjohnston&databeam.com
[Jim_Rogers] Jim Rogers mailto:trane!jimbo&pacbell.com
[John_R_Chawner] John R. Chawner tel:+1-817-354-1004
[John_Richardson] John Richardson Citrix Systems
[Jonathan_Wenocur] Jonathan Wenocur mailto:jhw&shiva.com
[Keith_Trummel] Keith Trummel mailto:ktrummel&autodesk.com
[Len_Wanger] Len Wanger mailto:lrw&sdsc.edu
[Maxine_Yuen] Maxine Yuen mailto:maxine&hq.ncube.com
[Michael_Fischer_2] Michael Fischer tel:+49-531-21-13-0
[Mike_Flemming] Mike Flemming mailto:mf&xnet.com
[Mike_Turley] Mike Turley mailto:turley&symplex.com
[Mikael_Voss] Mikael Voss mailto:mvs&nyantec.com 2017-04-18
[Neil_Salter] Neil Salter mailto:neil&indigo2.mvel.demon.co.uk
[nyantec] nyantec mailto:info&nyantec.com 2017-04-18
[Pete_Moscatelli] Pete Moscatelli mailto:moscat&hprdstl0.rose.hp.com
[Phil_Servita] Phil Servita mailto:meister&ftp.com
[Pradeep_Bahl] Pradeep Bahl mailto:pradeepb&microsoft.com
[Rob_Janssen] Rob Janssen mailto:rob&sys3.pe1chl.ampr.org
[Robert_D_Vincent] Robert D. Vincent mailto:bert&willowpond.com
[Ron_Vaughn] Ron Vaughn mailto:rv&intellistor.com
[Shue_Lin_Kuo] Shue-Lin Kuo mailto:shuelin&mdk.sanjose.vlsi.com
[Sudhakar_Rajamannar] Sudhakar Rajamannar mailto:mobius1&cerfnet.com
[Walter_Poxon] Walter Poxon mailto:wdp&ironwood.cray.com
[Wilson_Kwan] Wilson Kwan mailto:wilsonk%25toronto@zip.atm.com