Service Name and Transport Protocol Port Number Registry
- Last Updated
- 2024-04-19
- 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
24 | tcp | any private mail system | [Rick_Adams] | [Rick_Adams] | |||||||
24 | udp | any private mail system | [Rick_Adams] | [Rick_Adams] | |||||||
51 | Reserved | 2013-05-24 | This entry is being removed on 2013-05-24. | ||||||||
ansatrader | 124 | tcp | ANSA REX Trader | [Nicola_J_Howarth] | [Nicola_J_Howarth] | ||||||
ansatrader | 124 | udp | ANSA REX Trader | [Nicola_J_Howarth] | [Nicola_J_Howarth] | ||||||
masqdialer | 224 | tcp | masqdialer | [Charles_Wright] | [Charles_Wright] | Possible Conflict of Port 222 with "Masqdialer" | |||||
masqdialer | 224 | udp | masqdialer | [Charles_Wright] | [Charles_Wright] | Possible Conflict of Port 222 with "Masqdialer" | |||||
225-241 | Reserved | [Jon_Postel] | [Jon_Postel] | ||||||||
direct | 242 | tcp | Direct | [Herb_Sutter] | [Paul_Horton] | ||||||
direct | 242 | udp | Direct | [Herb_Sutter] | [Paul_Horton] | ||||||
sur-meas | 243 | tcp | Survey Measurement | [Dave_Clark] | [Dave_Clark] | ||||||
sur-meas | 243 | udp | Survey Measurement | [Dave_Clark] | [Dave_Clark] | ||||||
inbusiness | 244 | tcp | inbusiness | [Derrick_Hisatake] | [Derrick_Hisatake] | ||||||
inbusiness | 244 | udp | inbusiness | [Derrick_Hisatake] | [Derrick_Hisatake] | ||||||
link | 245 | tcp | LINK | ||||||||
link | 245 | udp | LINK | ||||||||
dsp3270 | 246 | tcp | Display Systems Protocol | [Weldon_J_Showalter] | [Weldon_J_Showalter] | ||||||
dsp3270 | 246 | udp | Display Systems Protocol | [Weldon_J_Showalter] | [Weldon_J_Showalter] | ||||||
subntbcst-tftp | 247 | tcp | SUBNTBCST_TFTP IANA assigned this well-formed service name as a replacement for "subntbcst_tftp". |
[John_Fake] | [John_Fake] | ||||||
subntbcst_tftp | 247 | tcp | SUBNTBCST_TFTP | [John_Fake] | [John_Fake] | This entry is an alias to "subntbcst-tftp". This entry is now historic, not usable for use with many common service discovery mechanisms. | |||||
subntbcst-tftp | 247 | udp | SUBNTBCST_TFTP IANA assigned this well-formed service name as a replacement for "subntbcst_tftp". |
[John_Fake] | [John_Fake] | ||||||
subntbcst_tftp | 247 | udp | SUBNTBCST_TFTP | [John_Fake] | [John_Fake] | This entry is an alias to "subntbcst-tftp". This entry is now historic, not usable for use with many common service discovery mechanisms. | |||||
bhfhs | 248 | tcp | bhfhs | [John_Kelly] | [John_Kelly] | ||||||
bhfhs | 248 | udp | bhfhs | [John_Kelly] | [John_Kelly] | ||||||
249-255 | Reserved | [Jon_Postel] | [Jon_Postel] | ||||||||
rpki-rtr-tls | 324 | tcp | Resource PKI to Router Protocol over TLS | [IESG] | [IETF_Chair] | [RFC6810] | |||||
324 | udp | Reserved | |||||||||
opc-job-track | 424 | tcp | IBM Operations Planning and Control Track | [Conny_Larsson] | [Conny_Larsson] | ||||||
opc-job-track | 424 | udp | IBM Operations Planning and Control Track | [Conny_Larsson] | [Conny_Larsson] | ||||||
ncp | 524 | tcp | NCP | [Don_Provan_2] | [Don_Provan_2] | ||||||
ncp | 524 | udp | NCP | [Don_Provan_2] | [Don_Provan_2] | ||||||
cryptoadmin | 624 | tcp | Crypto Admin | [Tony_Walker] | [Tony_Walker] | ||||||
cryptoadmin | 624 | udp | Crypto Admin | [Tony_Walker] | [Tony_Walker] | ||||||
netconf-ssh | 830 | tcp | NETCONF over SSH | [RFC6242] | |||||||
netconf-ssh | 830 | udp | NETCONF over SSH | [RFC6242] | |||||||
rift-lies | 914 | udp | Routing in Fat Trees Link Information Elements (TEMPORARY - registered 2023-02-17, extension registered 2024-01-12, expires 2025-02-17) | [RIFT_WG] | [Jordan_Head][Tony_Przygienda] | 2023-02-17 | 2024-01-12 | [draft-ietf-rift-rift-16] | |||
rift-ties | 915 | udp | Routing in Fat Trees Topology Information Elements (TEMPORARY - registered 2023-02-17, extension registered 2024-01-12, expires 2025-02-17) | [RIFT_WG] | [Jordan_Head][Tony_Przygienda] | 2023-02-17 | 2024-01-12 | [draft-ietf-rift-rift-16] | |||
1024 | tcp | Reserved | [IANA] | [IANA] | |||||||
1024 | udp | Reserved | [IANA] | [IANA] | |||||||
1030 | Reserved | 2013-05-24 | This entry is being removed on 2013-05-24. | ||||||||
1031 | Reserved | 2013-05-24 | This entry is being removed on 2013-05-24. | ||||||||
1032 | Reserved | 2013-05-24 | This entry is being removed on 2013-05-24. | ||||||||
hpvmmcontrol | 1124 | tcp | HP VMM Control | ||||||||
hpvmmcontrol | 1124 | udp | HP VMM Control | ||||||||
vpnz | 1224 | tcp | VPNz | [Tom_Strack] | [Tom_Strack] | ||||||
vpnz | 1224 | udp | VPNz | [Tom_Strack] | [Tom_Strack] | ||||||
instantia | 1240 | tcp | Instantia | [Ruth_Slater] | [Ruth_Slater] | ||||||
instantia | 1240 | udp | Instantia | [Ruth_Slater] | [Ruth_Slater] | ||||||
nessus | 1241 | tcp | nessus | [Jordan_Hrycaj] | [Jordan_Hrycaj] | ||||||
nessus | 1241 | udp | nessus | [Jordan_Hrycaj] | [Jordan_Hrycaj] | ||||||
nmasoverip | 1242 | tcp | NMAS over IP | [Hal_Henderson] | [Hal_Henderson] | ||||||
nmasoverip | 1242 | udp | NMAS over IP | [Hal_Henderson] | [Hal_Henderson] | ||||||
serialgateway | 1243 | tcp | SerialGateway | [Stephen_LaValley] | [Stephen_LaValley] | ||||||
serialgateway | 1243 | udp | SerialGateway | [Stephen_LaValley] | [Stephen_LaValley] | ||||||
isbconference1 | 1244 | tcp | isbconference1 | ||||||||
isbconference1 | 1244 | udp | isbconference1 | ||||||||
isbconference2 | 1245 | tcp | isbconference2 | [Arnold_Dittmann] | [Arnold_Dittmann] | ||||||
isbconference2 | 1245 | udp | isbconference2 | [Arnold_Dittmann] | [Arnold_Dittmann] | ||||||
payrouter | 1246 | tcp | payrouter | [David_Wilson] | [David_Wilson] | ||||||
payrouter | 1246 | udp | payrouter | [David_Wilson] | [David_Wilson] | ||||||
visionpyramid | 1247 | tcp | VisionPyramid | [Gavin_Hutchinson] | [Gavin_Hutchinson] | ||||||
visionpyramid | 1247 | udp | VisionPyramid | [Gavin_Hutchinson] | [Gavin_Hutchinson] | ||||||
hermes | 1248 | tcp | hermes | ||||||||
hermes | 1248 | udp | hermes | ||||||||
mesavistaco | 1249 | tcp | Mesa Vista Co | [Rick_LaBanca] | [Rick_LaBanca] | ||||||
mesavistaco | 1249 | udp | Mesa Vista Co | [Rick_LaBanca] | [Rick_LaBanca] | ||||||
delta-mcp | 1324 | tcp | delta-mcp | [Quinton_Tormanen] | [Quinton_Tormanen] | ||||||
delta-mcp | 1324 | udp | delta-mcp | [Quinton_Tormanen] | [Quinton_Tormanen] | ||||||
hybrid | 1424 | tcp | Hybrid Encryption Protocol | [Howard_Hart] | [Howard_Hart] | ||||||
hybrid | 1424 | udp | Hybrid Encryption Protocol | [Howard_Hart] | [Howard_Hart] | ||||||
ingreslock | 1524 | tcp | ingres | ||||||||
ingreslock | 1524 | udp | ingres | ||||||||
udp-sr-port | 1624 | tcp | udp-sr-port | [Herb_Jensen] | [Herb_Jensen] | ||||||
udp-sr-port | 1624 | udp | udp-sr-port | [Herb_Jensen] | [Herb_Jensen] | ||||||
csbphonemaster | 1724 | tcp | csbphonemaster | [Hans_Peter_Heffels] | [Hans_Peter_Heffels] | ||||||
csbphonemaster | 1724 | udp | csbphonemaster | [Hans_Peter_Heffels] | [Hans_Peter_Heffels] | ||||||
metrics-pas | 1824 | tcp | metrics-pas | [Tom_Haapanen] | [Tom_Haapanen] | ||||||
metrics-pas | 1824 | udp | metrics-pas | [Tom_Haapanen] | [Tom_Haapanen] | ||||||
xiip | 1924 | tcp | XIIP | [Alain_Robert_2] | [Alain_Robert_2] | ||||||
xiip | 1924 | udp | XIIP | [Alain_Robert_2] | [Alain_Robert_2] | ||||||
xinuexpansion4 | 2024 | tcp | |||||||||
xinuexpansion4 | 2024 | udp | |||||||||
elatelink | 2124 | tcp | ELATELINK | [Tim_Lawrence] | [Tim_Lawrence] | ||||||
elatelink | 2124 | udp | ELATELINK | [Tim_Lawrence] | [Tim_Lawrence] | ||||||
efi-mg | 2224 | tcp | Easy Flexible Internet/Multiplayer Games | [Thomas_Efer] | [Thomas_Efer] | 2006-03 | |||||
efi-mg | 2224 | udp | Easy Flexible Internet/Multiplayer Games | [Thomas_Efer] | [Thomas_Efer] | 2006-03 | |||||
recipe | 2240 | tcp | RECIPe | [Charlie_Limoges] | [Charlie_Limoges] | 1997-12-16 | |||||
recipe | 2240 | udp | RECIPe | [Charlie_Limoges] | [Charlie_Limoges] | 1997-12-16 | |||||
ivsd | 2241 | tcp | IVS Daemon | [Thierry_Turletti] | [Thierry_Turletti] | ||||||
ivsd | 2241 | udp | IVS Daemon | [Thierry_Turletti] | [Thierry_Turletti] | ||||||
foliocorp | 2242 | tcp | Folio Remote Server | [Pat_Mcgowan] | [Pat_Mcgowan] | ||||||
foliocorp | 2242 | udp | Folio Remote Server | [Pat_Mcgowan] | [Pat_Mcgowan] | ||||||
magicom | 2243 | tcp | Magicom Protocol | [Yossi_Appleboum] | [Yossi_Appleboum] | ||||||
magicom | 2243 | udp | Magicom Protocol | [Yossi_Appleboum] | [Yossi_Appleboum] | ||||||
nmsserver | 2244 | tcp | NMS Server | [Dmitry_Krasnonosenki] | [Dmitry_Krasnonosenki] | ||||||
nmsserver | 2244 | udp | NMS Server | [Dmitry_Krasnonosenki] | [Dmitry_Krasnonosenki] | ||||||
hao | 2245 | tcp | HaO | [Panic_Ride] | [Panic_Ride] | ||||||
hao | 2245 | udp | HaO | [Panic_Ride] | [Panic_Ride] | ||||||
pc-mta-addrmap | 2246 | tcp | PacketCable MTA Addr Map | [Dave_Maxwell] | [Dave_Maxwell] | ||||||
pc-mta-addrmap | 2246 | udp | PacketCable MTA Addr Map | [Dave_Maxwell] | [Dave_Maxwell] |