Service Name and Transport Protocol Port Number Registry
- Last Updated
- 2025-10-22
- 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
ibm-wrless-lan | 1461 | tcp | IBM Wireless LAN IANA assigned this well-formed service name as a replacement for "ibm_wrless_lan". |
[flanne] | [flanne] | ||||||
ibm_wrless_lan | 1461 | tcp | IBM Wireless LAN | [flanne] | [flanne] | This entry is an alias to "ibm-wrless-lan". This entry is now historic, not usable for use with many common service discovery mechanisms. | |||||
ibm-wrless-lan | 1461 | udp | IBM Wireless LAN IANA assigned this well-formed service name as a replacement for "ibm_wrless_lan". |
[flanne] | [flanne] | ||||||
ibm_wrless_lan | 1461 | udp | IBM Wireless LAN | [flanne] | [flanne] | This entry is an alias to "ibm-wrless-lan". This entry is now historic, not usable for use with many common service discovery mechanisms. | |||||
world-lm | 1462 | tcp | World License Manager | [Michael_S_Amirault] | [Michael_S_Amirault] | ||||||
world-lm | 1462 | udp | World License Manager | [Michael_S_Amirault] | [Michael_S_Amirault] | ||||||
nucleus | 1463 | tcp | Nucleus | [Venky_Nagar] | [Venky_Nagar] | ||||||
nucleus | 1463 | udp | Nucleus | [Venky_Nagar] | [Venky_Nagar] | ||||||
msl-lmd | 1464 | tcp | MSL License Manager IANA assigned this well-formed service name as a replacement for "msl_lmd". |
[Matt_Timmermans] | [Matt_Timmermans] | ||||||
msl_lmd | 1464 | tcp | MSL License Manager | [Matt_Timmermans] | [Matt_Timmermans] | This entry is an alias to "msl-lmd". This entry is now historic, not usable for use with many common service discovery mechanisms. | |||||
msl-lmd | 1464 | udp | MSL License Manager IANA assigned this well-formed service name as a replacement for "msl_lmd". |
[Matt_Timmermans] | [Matt_Timmermans] | ||||||
msl_lmd | 1464 | udp | MSL License Manager | [Matt_Timmermans] | [Matt_Timmermans] | This entry is an alias to "msl-lmd". This entry is now historic, not usable for use with many common service discovery mechanisms. | |||||
pipes | 1465 | tcp | Pipes Platform | [Mark_Farlin] | [Mark_Farlin] | ||||||
pipes | 1465 | udp | Pipes Platform | [Mark_Farlin] | [Mark_Farlin] | ||||||
oceansoft-lm | 1466 | tcp | Ocean Software License Manager | [Randy_Leonard] | [Randy_Leonard] | ||||||
oceansoft-lm | 1466 | udp | Ocean Software License Manager | [Randy_Leonard] | [Randy_Leonard] | ||||||
csdmbase | 1467 | tcp | CSDMBASE | ||||||||
csdmbase | 1467 | udp | CSDMBASE | ||||||||
csdm | 1468 | tcp | CSDM | [Robert_Stabl] | [Robert_Stabl] | ||||||
csdm | 1468 | udp | CSDM | [Robert_Stabl] | [Robert_Stabl] | ||||||
aal-lm | 1469 | tcp | Active Analysis Limited License Manager | [David_Snocken] | [David_Snocken] | ||||||
aal-lm | 1469 | udp | Active Analysis Limited License Manager | [David_Snocken] | [David_Snocken] | ||||||
clvm-cfg | 1476 | tcp | clvm-cfg | [Eric_Soderberg] | [Eric_Soderberg] | ||||||
clvm-cfg | 1476 | udp | clvm-cfg | [Eric_Soderberg] | [Eric_Soderberg] | ||||||
nms-topo-serv | 1486 | tcp | nms_topo_serv IANA assigned this well-formed service name as a replacement for "nms_topo_serv". |
[Sylvia_Siu] | [Sylvia_Siu] | ||||||
nms_topo_serv | 1486 | tcp | nms_topo_serv | [Sylvia_Siu] | [Sylvia_Siu] | This entry is an alias to "nms-topo-serv". This entry is now historic, not usable for use with many common service discovery mechanisms. | |||||
nms-topo-serv | 1486 | udp | nms_topo_serv IANA assigned this well-formed service name as a replacement for "nms_topo_serv". |
[Sylvia_Siu] | [Sylvia_Siu] | ||||||
nms_topo_serv | 1486 | udp | nms_topo_serv | [Sylvia_Siu] | [Sylvia_Siu] | This entry is an alias to "nms-topo-serv". This entry is now historic, not usable for use with many common service discovery mechanisms. | |||||
liberty-lm | 1496 | tcp | liberty-lm | [Jim_Rogers] | [Jim_Rogers] | ||||||
liberty-lm | 1496 | udp | liberty-lm | [Jim_Rogers] | [Jim_Rogers] | ||||||
utcd | 1506 | tcp | Universal Time daemon (utcd) | [Walter_Poxon] | [Walter_Poxon] | ||||||
utcd | 1506 | udp | Universal Time daemon (utcd) | [Walter_Poxon] | [Walter_Poxon] | ||||||
vpad | 1516 | tcp | Virtual Places Audio data | ||||||||
vpad | 1516 | udp | Virtual Places Audio data | ||||||||
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] | ||||||
ampr-inter | 1536 | tcp | ampr-inter | [Rob_Janssen] | [Rob_Janssen] | ||||||
ampr-inter | 1536 | udp | ampr-inter | [Rob_Janssen] | [Rob_Janssen] | ||||||
abbaccuray | 1546 | tcp | abbaccuray | [John_Wendt] | [John_Wendt] | ||||||
abbaccuray | 1546 | udp | abbaccuray | [John_Wendt] | [John_Wendt] | ||||||
veritas-pbx | 1556 | tcp | VERITAS Private Branch Exchange IANA assigned this well-formed service name as a replacement for "veritas_pbx". |
[Stefan_Winkel] | [Stefan_Winkel] | 2004-04 | |||||
veritas_pbx | 1556 | tcp | VERITAS Private Branch Exchange | [Stefan_Winkel] | [Stefan_Winkel] | 2004-04 | This entry is an alias to "veritas-pbx". This entry is now historic, not usable for use with many common service discovery mechanisms. | ||||
veritas-pbx | 1556 | udp | VERITAS Private Branch Exchange IANA assigned this well-formed service name as a replacement for "veritas_pbx". |
[Stefan_Winkel] | [Stefan_Winkel] | 2004-04 | |||||
veritas_pbx | 1556 | udp | VERITAS Private Branch Exchange | [Stefan_Winkel] | [Stefan_Winkel] | 2004-04 | This entry is an alias to "veritas-pbx". This entry is now historic, not usable for use with many common service discovery mechanisms. | ||||
asci-val | 1560 | tcp | ASCI-RemoteSHADOW | [Benjamin_Rosenberg] | [Benjamin_Rosenberg] | ||||||
asci-val | 1560 | udp | ASCI-RemoteSHADOW | [Benjamin_Rosenberg] | [Benjamin_Rosenberg] | ||||||
facilityview | 1561 | tcp | facilityview | [Ed_Green] | [Ed_Green] | ||||||
facilityview | 1561 | udp | facilityview | [Ed_Green] | [Ed_Green] | ||||||
pconnectmgr | 1562 | tcp | pconnectmgr | [Bob_Kaiser] | [Bob_Kaiser] | ||||||
pconnectmgr | 1562 | udp | pconnectmgr | [Bob_Kaiser] | [Bob_Kaiser] | ||||||
cadabra-lm | 1563 | tcp | Cadabra License Manager | [Arthur_Castonguay] | [Arthur_Castonguay] | ||||||
cadabra-lm | 1563 | udp | Cadabra License Manager | [Arthur_Castonguay] | [Arthur_Castonguay] | ||||||
pay-per-view | 1564 | tcp | Pay-Per-View | [Brian_Tung] | [Brian_Tung] | ||||||
pay-per-view | 1564 | udp | Pay-Per-View | [Brian_Tung] | [Brian_Tung] | ||||||
winddlb | 1565 | tcp | WinDD | [Kelly_Sims] | [Kelly_Sims] | ||||||
winddlb | 1565 | udp | WinDD | [Kelly_Sims] | [Kelly_Sims] | ||||||
corelvideo | 1566 | tcp | CORELVIDEO | [Ming_Poon] | [Ming_Poon] | ||||||
corelvideo | 1566 | udp | CORELVIDEO | [Ming_Poon] | [Ming_Poon] | ||||||
jlicelmd | 1567 | tcp | jlicelmd | [Christian_Schormann] | [Christian_Schormann] | ||||||
jlicelmd | 1567 | udp | jlicelmd | [Christian_Schormann] | [Christian_Schormann] | ||||||
tsspmap | 1568 | tcp | tsspmap | [Paul_W_Nelson] | [Paul_W_Nelson] | ||||||
tsspmap | 1568 | udp | tsspmap | [Paul_W_Nelson] | [Paul_W_Nelson] | ||||||
ets | 1569 | tcp | ets | [Carstein_Seeberg] | [Carstein_Seeberg] | ||||||
ets | 1569 | udp | ets | [Carstein_Seeberg] | [Carstein_Seeberg] | ||||||
moldflow-lm | 1576 | tcp | Moldflow License Manager | [Lech_Laskowski] | [Lech_Laskowski] | ||||||
moldflow-lm | 1576 | udp | Moldflow License Manager | [Lech_Laskowski] | [Lech_Laskowski] | ||||||
ibm-abtact | 1586 | tcp | ibm-abtact | [Sandeep_K_Singhal] | [Sandeep_K_Singhal] | ||||||
ibm-abtact | 1586 | udp | ibm-abtact | [Sandeep_K_Singhal] | [Sandeep_K_Singhal] | ||||||
radio-sm | 1596 | tcp | radio-sm | ||||||||
radio-bc | 1596 | udp | radio-bc | [Ken_Chapman] | [Ken_Chapman] | ||||||
issd | 1600 | tcp | issd | ||||||||
issd | 1600 | udp | issd | ||||||||
aas | 1601 | tcp | aas | [Bob_Beard] | [Bob_Beard] | ||||||
aas | 1601 | udp | aas | [Bob_Beard] | [Bob_Beard] | ||||||
inspect | 1602 | tcp | inspect | [Frank_O_Neill] | [Frank_O_Neill] | ||||||
inspect | 1602 | udp | inspect | [Frank_O_Neill] | [Frank_O_Neill] | ||||||
picodbc | 1603 | tcp | pickodbc | [John_Lombardo] | [John_Lombardo] | ||||||
picodbc | 1603 | udp | pickodbc | [John_Lombardo] | [John_Lombardo] | ||||||
icabrowser | 1604 | tcp | icabrowser | [Brad_Pedersen] | [Brad_Pedersen] | ||||||
icabrowser | 1604 | udp | icabrowser | [Brad_Pedersen] | [Brad_Pedersen] | ||||||
slp | 1605 | tcp | Salutation Manager (Salutation Protocol) | ||||||||
slp | 1605 | udp | Salutation Manager (Salutation Protocol) | ||||||||
slm-api | 1606 | tcp | Salutation Manager (SLM-API) | [Tohru_Mori] | [Tohru_Mori] | ||||||
slm-api | 1606 | udp | Salutation Manager (SLM-API) | [Tohru_Mori] | [Tohru_Mori] | ||||||
stt | 1607 | tcp | stt | [Ryan_Bolz] | [Ryan_Bolz] | ||||||
stt | 1607 | udp | stt | [Ryan_Bolz] | [Ryan_Bolz] | ||||||
smart-lm | 1608 | tcp | Smart Corp. License Manager | [Connie_Qiu] | [Connie_Qiu] | ||||||
smart-lm | 1608 | udp | Smart Corp. License Manager | [Connie_Qiu] | [Connie_Qiu] | ||||||
isysg-lm | 1609 | tcp | isysg-lm | [Adam_Curtin] | [Adam_Curtin] | ||||||
isysg-lm | 1609 | udp | isysg-lm | [Adam_Curtin] | [Adam_Curtin] | ||||||
taurus-wh | 1610 | tcp | taurus-wh | [Jeff_Moffatt] | [Jeff_Moffatt] | ||||||
taurus-wh | 1610 | udp | taurus-wh | [Jeff_Moffatt] | [Jeff_Moffatt] | ||||||
ill | 1611 | tcp | Inter Library Loan | [Niall_Murphy] | [Niall_Murphy] | ||||||
ill | 1611 | udp | Inter Library Loan | [Niall_Murphy] | [Niall_Murphy] | ||||||
netbill-trans | 1612 | tcp | NetBill Transaction Server | ||||||||
netbill-trans | 1612 | udp | NetBill Transaction Server | ||||||||
netbill-keyrep | 1613 | tcp | NetBill Key Repository | ||||||||
netbill-keyrep | 1613 | udp | NetBill Key Repository | ||||||||
netbill-cred | 1614 | tcp | NetBill Credential Server | ||||||||
netbill-cred | 1614 | udp | NetBill Credential Server | ||||||||
netbill-auth | 1615 | tcp | NetBill Authorization Server |