Downloaded from IANA. Modified to remove data not importatnt to lecture and reformated for easier viewing. Service Name and Transport Protocol Port Number Registry Last Updated 2014-04-28 Expert(s) TCP/UDP: Joe Touch; Eliot Lear, Allison Mankin, Markku Kojo, Kumiko Ono, Martin Stiemerling, Lars Eggert, Alexey Melnikov and Wes Eddy; DCCP: Eddie Kohler; SCTP: Allison Mankin Reference 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 . 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 . System Ports are assigned by IETF process for standards-track protocols, as per . User Ports are assigned by IANA using the "IETF Review" process, the "IESG Approval" process, or the "Expert Review" process, as per . Dynamic Ports are not assigned. The registration procedures for service names and port numbers are described in . 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. * ************************************************************************ Service Name Port Number Protocol Description Uses 0 tcp Reserved 0 udp Reserved tcpmux 1 tcp TCP Port Service Multiplexer tcpmux 1 udp TCP Port Service Multiplexer compressnet 2 tcp Management Utility compressnet 2 udp Management Utility compressnet 3 tcp Compression Process compressnet 3 udp Compression Process 4 tcp Unassigned 4 udp Unassigned rje 5 tcp Remote Job Entry rje 5 udp Remote Job Entry 6 tcp Unassigned 6 udp Unassigned echo 7 tcp Echo echo 7 udp Echo 8 tcp Unassigned 8 udp Unassigned discard 9 tcp Discard discard 9 udp Discard discard 9 sctp Discard discard 9 dccp Discard 10 tcp Unassigned 10 udp Unassigned systat 11 tcp Active Users systat 11 udp Active Users 12 tcp Unassigned 12 udp Unassigned daytime 13 tcp Daytime daytime 13 udp Daytime 14 tcp Unassigned 14 udp Unassigned 15 tcp Unassigned 15 udp Unassigned 16 tcp Unassigned 16 udp Unassigned qotd 17 tcp Quote of the Day qotd 17 udp Quote of the Day msp 18 tcp Message Send Protocol (historic) msp 18 udp Message Send Protocol (historic) chargen 19 tcp Character Generator chargen 19 udp Character Generator ftp-data 20 tcp File Transfer ftp-data 20 udp File Transfer ftp-data 20 sctp FTP ftp 21 tcp File Transfer ftp 21 udp File Transfer ftp 21 sctp FTP ssh 22 tcp The Secure Shell (SSH) Protocol ssh 22 udp The Secure Shell (SSH) Protocol ssh 22 sctp SSH telnet 23 tcp Telnet telnet 23 udp Telnet 24 tcp any private mail system 24 udp any private mail system smtp 25 tcp Simple Mail Transfer smtp 25 udp Simple Mail Transfer 26 tcp Unassigned 26 udp Unassigned nsw-fe 27 tcp NSW User System FE nsw-fe 27 udp NSW User System FE 28 tcp Unassigned 28 udp Unassigned msg-icp 29 tcp MSG ICP msg-icp 29 udp MSG ICP 30 tcp Unassigned 30 udp Unassigned msg-auth 31 tcp MSG Authentication msg-auth 31 udp MSG Authentication 32 tcp Unassigned 32 udp Unassigned dsp 33 tcp Display Support Protocol dsp 33 udp Display Support Protocol 34 tcp Unassigned 34 udp Unassigned 35 tcp any private printer server 35 udp any private printer server 36 tcp Unassigned 36 udp Unassigned time 37 tcp Time time 37 udp Time rap 38 tcp Route Access Protocol rap 38 udp Route Access Protocol rlp 39 tcp Resource Location Protocol rlp 39 udp Resource Location Protocol 40 tcp Unassigned 40 udp Unassigned graphics 41 tcp Graphics graphics 41 udp Graphics name 42 tcp Host Name Server name 42 udp Host Name Server nameserver 42 tcp Host Name Server nameserver 42 udp Host Name Server nicname 43 tcp Who Is nicname 43 udp Who Is mpm-flags 44 tcp MPM FLAGS Protocol mpm-flags 44 udp MPM FLAGS Protocol mpm 45 tcp Message Processing Module mpm 45 udp Message Processing Module mpm-snd 46 tcp MPM mpm-snd 46 udp MPM ni-ftp 47 tcp NI FTP ni-ftp 47 udp NI FTP auditd 48 tcp Digital Audit Daemon auditd 48 udp Digital Audit Daemon tacacs 49 tcp Login Host Protocol (TACACS) tacacs 49 udp Login Host Protocol (TACACS) re-mail-ck 50 tcp Remote Mail Checking Protocol re-mail-ck 50 udp Remote Mail Checking Protocol 51 Reserved 2013-05-24 This entry is being removed on 2013-05-24. xns-time 52 tcp XNS Time Protocol xns-time 52 udp XNS Time Protocol domain 53 tcp Domain Name Server domain 53 udp Domain Name Server xns-ch 54 tcp XNS Clearinghouse xns-ch 54 udp XNS Clearinghouse isi-gl 55 tcp ISI Graphics Language isi-gl 55 udp ISI Graphics Language xns-auth 56 tcp XNS Authentication xns-auth 56 udp XNS Authentication 57 tcp any private terminal access 57 udp any private terminal access xns-mail 58 tcp XNS Mail xns-mail 58 udp XNS Mail 59 tcp any private file service 59 udp any private file service 60 tcp Unassigned 60 udp Unassigned ni-mail 61 tcp NI MAIL ni-mail 61 udp NI MAIL acas 62 tcp ACA Services acas 62 udp ACA Services whois++ whoispp 63 tcp IANA assigned this well-formed service name as a replacement for "whois++". This entry is an alias to "whoispp". This entry is now historic, not usable for use with many common service discovery mechanisms. whois++ 63 tcp whois++ whois++ whoispp 63 udp IANA assigned this well-formed service name as a replacement for "whois++". This entry is an alias to "whoispp". This entry is now historic, not usable for use with many common service discovery mechanisms. whois++ 63 udp whois++ covia 64 tcp Communications Integrator (CI) covia 64 udp Communications Integrator (CI) tacacs-ds 65 tcp TACACS-Database Service tacacs-ds 65 udp TACACS-Database Service Oracle SQL*NET sql-net 66 tcp IANA assigned this well-formed service name as a replacement for "sql*net". This entry is an alias to "sql-net". This entry is now historic, not usable for use with many common service discovery mechanisms. sql*net 66 tcp Oracle SQL*NET Oracle SQL*NET sql-net 66 udp IANA assigned this well-formed service name as a replacement for "sql*net". This entry is an alias to "sql-net". This entry is now historic, not usable for use with many common service discovery mechanisms. sql*net 66 udp Oracle SQL*NET bootps 67 tcp Bootstrap Protocol Server bootps 67 udp Bootstrap Protocol Server bootpc 68 tcp Bootstrap Protocol Client bootpc 68 udp Bootstrap Protocol Client tftp 69 tcp Trivial File Transfer tftp 69 udp Trivial File Transfer gopher 70 tcp Gopher gopher 70 udp Gopher netrjs-1 71 tcp Remote Job Service netrjs-1 71 udp Remote Job Service netrjs-2 72 tcp Remote Job Service netrjs-2 72 udp Remote Job Service netrjs-3 73 tcp Remote Job Service netrjs-3 73 udp Remote Job Service netrjs-4 74 tcp Remote Job Service netrjs-4 74 udp Remote Job Service 75 tcp any private dial out service 75 udp any private dial out service deos 76 tcp Distributed External Object Store deos 76 udp Distributed External Object Store 77 tcp any private RJE service 77 udp any private RJE service vettcp 78 tcp vettcp vettcp 78 udp vettcp finger 79 tcp Fingermail users finger 79 udp Fingermail users http 80 tcp World Wide Web HTTP http 80 udp World Wide Web HTTP www 80 tcp World Wide Web HTTP www-http 80 udp World Wide Web HTTP http 80 sctp HTTP 81 Unassigned xfer 82 tcp XFER Utility xfer 82 udp XFER Utility mit-ml-dev 83 tcp MIT ML Device mit-ml-dev 83 udp MIT ML Device ctf 84 tcp Common Trace Facility ctf 84 udp Common Trace Facility mit-ml-dev 85 tcp MIT ML Device mit-ml-dev 85 udp MIT ML Device mfcobol 86 tcp Micro Focus Cobol mfcobol 86 udp Micro Focus Cobol 87 tcp any private terminal link 87 udp any private terminal link kerberos 88 tcp Kerberos kerberos 88 udp Kerberos su-mit-tg 89 tcp SU/MIT Telnet Gateway su-mit-tg 89 udp SU/MIT Telnet Gateway PORT 90 also dnsix 90 tcp DNSIX Securit Attribute being used Token Map unofficially by Pointcast PORT 90 also dnsix 90 udp DNSIX Securit Attribute being used Token Map unofficially by Pointcast mit-dov 91 tcp MIT Dover Spooler mit-dov 91 udp MIT Dover Spooler npp 92 tcp Network Printing Protocol npp 92 udp Network Printing Protocol dcp 93 tcp Device Control Protocol dcp 93 udp Device Control Protocol objcall 94 tcp Tivoli Object Dispatcher objcall 94 udp Tivoli Object Dispatcher supdup 95 tcp SUPDUP supdup 95 udp SUPDUP dixie 96 tcp DIXIE Protocol Specification dixie 96 udp DIXIE Protocol Specification swift-rvf 97 tcp Swift Remote Virtural File Protocol swift-rvf 97 udp Swift Remote Virtural File Protocol tacnews 98 tcp TAC News tacnews 98 udp TAC News metagram 99 tcp Metagram Relay metagram 99 udp Metagram Relay Known 100 Unassigned 2012-03-21 Unauthorized Use on 100 hostname 101 tcp NIC Host Name Server hostname 101 udp NIC Host Name Server iso-tsap 102 tcp ISO-TSAP Class 0 iso-tsap 102 udp ISO-TSAP Class 0 gppitnp 103 tcp Genesis Point-to-Point Trans Net gppitnp 103 udp Genesis Point-to-Point Trans Net acr-nema 104 tcp ACR-NEMA Digital Imag. & Comm. 300 acr-nema 104 udp ACR-NEMA Digital Imag. & Comm. 300 cso 105 tcp CCSO name server protocol cso 105 udp CCSO name server protocol csnet-ns 105 tcp Mailbox Name Nameserver csnet-ns 105 udp Mailbox Name Nameserver Known 3com-tsmux 106 tcp 3COM-TSMUXUnauthorized Use on 106 Known 3com-tsmux 106 udp 3COM-TSMUXUnauthorized Use on 106 rtelnet 107 tcp Remote Telnet Service rtelnet 107 udp Remote Telnet Service snagas 108 tcp SNA Gateway Access Server snagas 108 udp SNA Gateway Access Server pop2 109 tcp Post Office Protocol - Version 2 pop2 109 udp Post Office Protocol - Version 2 pop3 110 tcp Post Office Protocol - Version 3 pop3 110 udp Post Office Protocol - Version 3 sunrpc 111 tcp SUN Remote Procedure Call sunrpc 111 udp SUN Remote Procedure Call mcidas 112 tcp McIDAS Data Transmission Protocol mcidas 112 udp McIDAS Data Transmission Protocol ident 113 tcp auth 113 tcp Authentication Service auth 113 udp Authentication Service 114 unassigned Deprecated June 2004 sftp 115 tcp Simple File Transfer Protocol sftp 115 udp Simple File Transfer Protocol ansanotify 116 tcp ANSA REX Notify ansanotify 116 udp ANSA REX Notify uucp-path 117 tcp UUCP Path Service uucp-path 117 udp UUCP Path Service sqlserv 118 tcp SQL Services sqlserv 118 udp SQL Services nntp 119 tcp Network News Transfer Protocol nntp 119 udp Network News Transfer Protocol cfdptkt 120 tcp CFDPTKT cfdptkt 120 udp CFDPTKT erpc 121 tcp Encore Expedited Remote Pro.Call erpc 121 udp Encore Expedited Remote Pro.Call smakynet 122 tcp SMAKYNET smakynet 122 udp SMAKYNET ntp 123 tcp Network Time Protocol ntp 123 udp Network Time Protocol ansatrader 124 tcp ANSA REX Trader ansatrader 124 udp ANSA REX Trader locus-map 125 tcp Locus PC-Interface Net Map Ser locus-map 125 udp Locus PC-Interface Net Map Ser Port 126 Previously assigned to application below unitary nxedit 126 tcp NXEdit 126/tcp Unisys Unitary Login unitary 126/udp Unisys Unitary Port 126 Previously assigned to application above Port 126 Previously assigned to application below unitary nxedit 126 udp NXEdit 126/tcp Unisys Unitary Login unitary 126/udp Unisys Unitary Port 126 Previously assigned to application above locus-con 127 tcp Locus PC-Interface Conn Server locus-con 127 udp Locus PC-Interface Conn Server gss-xlicen 128 tcp GSS X License Verification gss-xlicen 128 udp GSS X License Verification pwdgen 129 tcp Password Generator Protocol pwdgen 129 udp Password Generator Protocol cisco-fna 130 tcp cisco FNATIVE cisco-fna 130 udp cisco FNATIVE cisco-tna 131 tcp cisco TNATIVE cisco-tna 131 udp cisco TNATIVE cisco-sys 132 tcp cisco SYSMAINT cisco-sys 132 udp cisco SYSMAINT statsrv 133 tcp Statistics Service statsrv 133 udp Statistics Service ingres-net 134 tcp INGRES-NET Service ingres-net 134 udp INGRES-NET Service epmap 135 tcp DCE endpoint resolution nokia-ann-ch2 3406 udp Nokia Announcement ch 2 ldap-admin 3407 tcp LDAP admin server port ldap-admin 3407 udp LDAP admin server port BESApi 3408 tcp BES Api Port BESApi 3408 udp BES Api Port networklens 3409 tcp NetworkLens Event Port networklens 3409 udp NetworkLens Event Port networklenss 3410 tcp NetworkLens SSL Event networklenss 3410 udp NetworkLens SSL Event biolink-auth 3411 tcp BioLink Authenteon server biolink-auth 3411 udp BioLink Authenteon server xmlblaster 3412 tcp xmlBlaster xmlblaster 3412 udp xmlBlaster svnet 3413 tcp SpecView Networking svnet 3413 udp SpecView Networking wip-port 3414 tcp BroadCloud WIP Port wip-port 3414 udp BroadCloud WIP Port bcinameservice 3415 tcp BCI Name Service bcinameservice 3415 udp BCI Name Service commandport 3416 tcp AirMobile IS Command Port commandport 3416 udp AirMobile IS Command Port csvr 3417 tcp ConServR file translation csvr 3417 udp ConServR file translation rnmap 3418 tcp Remote nmap rnmap 3418 udp Remote nmap softaudit 3419 tcp Isogon SoftAudit softaudit 3419 udp ISogon SoftAudit ifcp-port 3420 tcp iFCP User Port ifcp-port 3420 udp iFCP User Port bmap 3421 tcp Bull Apprise portmapper bmap 3421 udp Bull Apprise portmapper rusb-sys-port 3422 tcp Remote USB System Port rusb-sys-port 3422 udp Remote USB System Port xtrm 3423 tcp xTrade Reliable Messaging xtrm 3423 udp xTrade Reliable Messaging xtrms 3424 tcp xTrade over TLS/SSL xtrms 3424 udp xTrade over TLS/SSL agps-port 3425 tcp AGPS Access Port agps-port 3425 udp AGPS Access Port arkivio 3426 tcp Arkivio Storage Protocol arkivio 3426 udp Arkivio Storage Protocol websphere-snmp 3427 tcp WebSphere SNMP websphere-snmp 3427 udp WebSphere SNMP twcss 3428 tcp 2Wire CSS twcss 3428 udp 2Wire CSS gcsp 3429 tcp GCSP user port gcsp 3429 udp GCSP user port ssdispatch 3430 tcp Scott Studios Dispatch ssdispatch 3430 udp Scott Studios Dispatch ndl-als 3431 tcp Active License Server Port ndl-als 3431 udp Active License Server Port osdcp 3432 tcp Secure Device Protocol osdcp 3432 udp Secure Device Protocol opnet-smp 3433 tcp OPNET Service Management Platform opnet-smp 3433 udp OPNET Service Management Platform opencm 3434 tcp OpenCM Server opencm 3434 udp OpenCM Server pacom 3435 tcp Pacom Security User Port pacom 3435 udp Pacom Security User Port gc-config 3436 tcp GuardControl Exchange Protocol gc-config 3436 udp GuardControl Exchange Protocol autocueds 3437 tcp Autocue Directory Service autocueds 3437 udp Autocue Directory Service spiral-admin 3438 tcp Spiralcraft Admin spiral-admin 3438 udp Spiralcraft Admin hri-port 3439 tcp HRI Interface Port hri-port 3439 udp HRI Interface Port ans-console 3440 tcp Net Steward Mgmt Console ans-console 3440 udp Net Steward Mgmt Console connect-client 3441 tcp OC Connect Client connect-client 3441 udp OC Connect Client connect-server 3442 tcp OC Connect Server connect-server 3442 udp OC Connect Server ov-nnm-websrv 3443 tcp OpenView Network Node Manager WEB Server ov-nnm-websrv 3443 udp OpenView Network Node Manager WEB Server denali-server 3444 tcp Denali Server denali-server 3444 udp Denali Server monp 3445 tcp Media Object Network monp 3445 udp Media Object Network 3comfaxrpc 3446 tcp 3Com FAX RPC port 3comfaxrpc 3446 udp 3Com FAX RPC port directnet 3447 tcp DirectNet IM System directnet 3447 udp DirectNet IM System dnc-port 3448 tcp Discovery and Net Config dnc-port 3448 udp Discovery and Net Config hotu-chat 3449 tcp HotU Chat hotu-chat 3449 udp HotU Chat castorproxy 3450 tcp CAStorProxy castorproxy 3450 udp CAStorProxy asam 3451 tcp ASAM Services asam 3451 udp ASAM Services sabp-signal 3452 tcp SABP-Signalling Protocol sabp-signal 3452 udp SABP-Signalling Protocol pscupd 3453 tcp PSC Update Port pscupd 3453 udp PSC Update Port mira 3454 tcp Apple Remote Access Protocol mira 3454 udp Apple Remote Access Protocol prsvp 3455 tcp RSVP Port prsvp 3455 udp RSVP Port vat 3456 tcp VAT default data vat 3456 udp VAT default data vat-control 3457 tcp VAT default control vat-control 3457 udp VAT default control d3winosfi 3458 tcp D3WinOSFI d3winosfi 3458 udp D3WinOSFI integral 3459 tcp TIP Integral integral 3459 udp TIP Integral edm-manager 3460 tcp EDM Manger edm-manager 3460 udp EDM Manger edm-stager 3461 tcp EDM Stager edm-stager 3461 udp EDM Stager edm-std-notify 3462 tcp EDM STD Notify edm-std-notify 3462 udp EDM STD Notify edm-adm-notify 3463 tcp EDM ADM Notify edm-adm-notify 3463 udp EDM ADM Notify edm-mgr-sync 3464 tcp EDM MGR Sync