# Port Assignments from http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml # simplified and edited # last update 11 January 2024 # #Keyword Decimal Description #------- ------- ----------- tcpmux 1 TCP Port Service Multiplexer compressnet 2 Management Utility compressnet 3 Compression Process rje 5 Remote Job Entry echo 7 Echo discard 9 Discard systat 11 Active Users daytime 13 Daytime qotd 17 Quote of the Day msp 18 Message Send Protocol chargen 19 Character Generator ftp 20 File Transfer [Default Data] ftp 21 File Transfer [Control] telnet 23 Telnet smtp 25 Simple Mail Transfer nsw-fe 27 NSW User System FE msg-icp 29 MSG ICP msg-auth 31 MSG Authentication dsp 33 Display Support Protocol time 37 Time rap 38 Route Access Protocol rlp 39 Resource Location Protocol graphics 41 Graphics nameserver 42 Host Name Server whois 43 nicname mpm-flags 44 MPM FLAGS Protocol mpm 45 Message Processing Module [recv] mpm-snd 46 MPM [default send] ni-ftp 47 NI FTP auditd 48 Digital Audit Daemon login 49 Login Host Protocol re-mail-ck 50 Remote Mail Checking Protocol la-maint 51 IMP Logical Address Maintenance xns-time 52 XNS Time Protocol dns 53 Domain Name Server xns-ch 54 XNS Clearinghouse isi-gl 55 ISI Graphics Language xns-auth 56 XNS Authentication privterm 57 any private terminal access xns-mail 58 XNS Mail privfile 59 any private file service ni-mail 61 NI MAIL acas 62 ACA Services covia 64 Communications Integrator (CI) tacacs-ds 65 TACACS-Database Service sql*net 66 Oracle SQL*NET bootps 67 Bootstrap Protocol Server bootpc 68 Bootstrap Protocol Client tftp 69 Trivial File Transfer gopher 70 Gopher netrjs-1 71 Remote Job Service netrjs-2 72 Remote Job Service netrjs-3 73 Remote Job Service netrjs-4 74 Remote Job Service deos 76 Distributed External Object Store vettcp 78 vettcp finger 79 Finger http 80 World Wide Web HTTP hosts2-ns 81 HOSTS2 Name Server xfer 82 XFER Utility mit-ml-dev 83 MIT ML Device ctf 84 Common Trace Facility mit-ml-dev 85 MIT ML Device mfcobol 86 Micro Focus Cobol kerberos 88 Kerberos su-mit-tg 89 SU/MIT Telnet Gateway dnsix 90 DNSIX Securit Attribute Token Map mit-dov 91 MIT Dover Spooler npp 92 Network Printing Protocol dcp 93 Device Control Protocol objcall 94 Tivoli Object Dispatcher supdup 95 SUPDUP dixie 96 DIXIE Protocol Specification swift-rvf 97 Swift Remote Vitural File Protocol tacnews 98 TAC News metagram 99 Metagram Relay newacct 100 [unauthorized use] hostname 101 NIC Host Name Server iso-tsap 102 ISO-TSAP gppitnp 103 Genesis Point-to-Point Trans Net acr-nema 104 ACR-NEMA Digital Imag. & Comm. 300 csnet-ns 105 Mailbox Name Nameserver 3com-tsmux 106 3COM-TSMUX rtelnet 107 Remote Telnet Service snagas 108 SNA Gateway Access Server pop2 109 Post Office Protocol - Version 2 pop3 110 Post Office Protocol - Version 3 sunrpc 111 SUN Remote Procedure Call mcidas 112 McIDAS Data Transmission Protocol auth 113 Authentication Service audionews 114 Audio News Multicast sftp 115 Simple File Transfer Protocol ansanotify 116 ANSA REX Notify uucp-path 117 UUCP Path Service sqlserv 118 SQL Services nntp 119 Network News Transfer Protocol cfdptkt 120 CFDPTKT erpc 121 Encore Expedited Remote Pro.Call smakynet 122 SMAKYNET ntp 123 Network Time Protocol ansatrader 124 ANSA REX Trader locus-map 125 Locus PC-Interface Net Map Ser unitary 126 Unisys Unitary Login locus-con 127 Locus PC-Interface Conn Server gss-xlicen 128 GSS X License Verification pwdgen 129 Password Generator Protocol cisco-fna 130 cisco FNATIVE cisco-tna 131 cisco TNATIVE cisco-sys 132 cisco SYSMAINT statsrv 133 Statistics Service ingres-net 134 INGRES-NET Service loc-srv 135 Location Service profile 136 PROFILE Naming System netbios-ns 137 NETBIOS Name Service netbios-dgm 138 NETBIOS Datagram Service netbios-ssn 139 NETBIOS Session Service emfis-data 140 EMFIS Data Service emfis-cntl 141 EMFIS Control Service bl-idm 142 Britton-Lee IDM imap 143 Interim Mail Access Protocol news 144 NewS uaac 145 UAAC Protocol iso-tp0 146 ISO-IP0 iso-ip 147 ISO-IP cronus 148 CRONUS-SUPPORT aed-512 149 AED 512 Emulation Service sql-net 150 SQL-NET hems 151 HEMS bftp 152 Background File Transfer Program sgmp 153 SGMP netsc-prod 154 NETSC netsc-dev 155 NETSC sqlsrv 156 SQL Service knet-cmp 157 KNET/VM Command/Message Protocol pcmail-srv 158 PCMail Server nss-routing 159 NSS-Routing sgmp-traps 160 SGMP-TRAPS snmp 161 SNMP snmptrap 162 SNMPTRAP cmip-man 163 CMIP/TCP Manager cmip-agent 164 CMIP/TCP Agent xns-courier 165 Xerox s-net 166 Sirius Systems namp 167 NAMP rsvd 168 RSVD send 169 SEND print-srv 170 Network PostScript multiplex 171 Network Innovations Multiplex cl/1 172 Network Innovations CL/1 xyplex-mux 173 Xyplex mailq 174 MAILQ vmnet 175 VMNET genrad-mux 176 GENRAD-MUX xdmcp 177 X Display Manager Control Protocol nextstep 178 NextStep Window Server bgp 179 Border Gateway Protocol ris 180 Intergraph unify 181 Unify audit 182 Unisys Audit SITP ocbinder 183 OCBinder ocserver 184 OCServer remote-kis 185 Remote-KIS kis 186 KIS Protocol aci 187 Application Communication Interface mumps 188 Plus Five's MUMPS qft 189 Queued File Transport gacp 190 Gateway Access Control Protocol prospero 191 Prospero Directory Service osu-nms 192 OSU Network Monitoring System srmp 193 Spider Remote Monitoring Protocol irc 194 Internet Relay Chat Protocol dn6-nlm-aud 195 DNSIX Network Level Module Audit dn6-smm-red 196 DNSIX Session Mgt Module Audit Redir dls 197 Directory Location Service dls-mon 198 Directory Location Service Monitor smux 199 SMUX src 200 IBM System Resource Controller at-rtmp 201 AppleTalk Routing Maintenance at-nbp 202 AppleTalk Name Binding at-3 203 AppleTalk Unused at-echo 204 AppleTalk Echo at-5 205 AppleTalk Unused at-zis 206 AppleTalk Zone Information at-7 207 AppleTalk Unused at-8 208 AppleTalk Unused tam 209 Trivial Authenticated Mail Protocol z39.50 210 ANSI Z39.50 914c/g 211 Texas Instruments 914C/G Terminal anet 212 ATEXSSTR ipx 213 IPX vmpwscs 214 VM PWSCS softpc 215 Insignia Solutions atls 216 Access Technology License Server dbase 217 dBASE Unix mpp 218 Netix Message Posting Protocol uarps 219 Unisys ARPs imap3 220 Interactive Mail Access Protocol v3 fln-spx 221 Berkeley rlogind with SPX auth rsh-spx 222 Berkeley rshd with SPX auth cdc 223 Certificate Distribution Center sur-meas 243 Survey Measurement link 245 LINK dsp3270 246 Display Systems Protocol pdap 344 Prospero Data Access Protocol pawserv 345 Perf Analysis Workbench zserv 346 Zebra server fatserv 347 Fatmen Server csi-sgwp 348 Cabletron Management Protocol clearcase 371 Clearcase ulistserv 372 Unix Listserv legent-1 373 Legent Corporation legent-2 374 Legent Corporation hassle 375 Hassle nip 376 Amiga Envoy Network Inquiry Proto tnETOS 377 NEC Corporation dsETOS 378 NEC Corporation is99c 379 TIA/EIA/IS-99 modem client is99s 380 TIA/EIA/IS-99 modem server hp-collector 381 hp performance data collector hp-managed-node 382 hp performance data managed node hp-alarm-mgr 383 hp performance data alarm manager arns 384 A Remote Network Server System ibm-app 385 IBM Application ibm-app 385 IBM Application asa 386 ASA Message Router Object Def. aurp 387 Appletalk Update-Based Routing Pro. unidata-ldm 388 Unidata LDM Version 4 ldap 389 Lightweight Directory Access Protocol uis 390 UIS synotics-relay 391 SynOptics SNMP Relay Port synotics-broker 392 SynOptics Port Broker Port dis 393 Data Interpretation System embl-ndt 394 EMBL Nucleic Data Transfer netcp 395 NETscout Control Protocol netware-ip 396 Novell Netware over IP mptn 397 Multi Protocol Trans. Net. kryptolan 398 Kryptolan work-sol 400 Workstation Solutions ups 401 Uninterruptible Power Supply genie 402 Genie Protocol decap 403 decap nced 404 nced ncld 405 ncld imsp 406 Interactive Mail Support Protocol timbuktu 407 Timbuktu prm-sm 408 Prospero Resource Manager Sys. Man. prm-nm 409 Prospero Resource Manager Node Man. decladebug 410 DECLadebug Remote Debug Protocol rmt 411 Remote MT Protocol synoptics-trap 412 Trap Convention Port smsp 413 SMSP infoseek 414 InfoSeek bnet 415 BNet silverplatter 416 Silverplatter onmux 417 Onmux hyper-g 418 Hyper-G ariel1 419 Ariel smpte 420 SMPTE ariel2 421 Ariel ariel3 422 Ariel opc-job-start 423 IBM Operations Planning and Control Start opc-job-track 424 IBM Operations Planning and Control Track icad-el 425 ICAD smartsdp 426 smartsdp svrloc 427 Server Location ocs_cmu 428 OCS_CMU ocs_amu 429 OCS_AMU utmpsd 430 UTMPSD utmpcd 431 UTMPCD iasd 432 IASD nnsp 433 NNSP mobileip-agent 434 MobileIP-Agent mobilip-mn 435 MobilIP-MN dna-cml 436 DNA-CML comscm 437 comscm dsfgw 438 dsfgw dasp 439 dasp Thomas Obermair sgcp 440 sgcp decvms-sysmgt 441 decvms-sysmgt cvc_hostd 442 cvc_hostd https 443 https MCom snpp 444 Simple Network Paging Protocol microsoft-ds 445 Microsoft-DS ddm-rdb 446 DDM-RDB ddm-dfm 447 DDM-RFM ddm-byte 448 DDM-BYTE as-servermap 449 AS Server Mapper tserver 450 TServer submissions 465 Message Submission over TLS protocol SMTP exec 512 remote process execution; login 513 remote login a la telnet; syslog 514 syslog UDP printer 515 spooler talk 517 like tenex link, but across ntalk 518 utime 519 unixtime router 520 RIP local routing process UDP ripng 521 RIPng local routing UDP timed 525 timeserver tempo 526 newdate courier 530 rpc conference 531 chat netnews 532 readnews netwall 533 for emergency broadcasts apertus-ldp 539 Apertus Technologies Load Determination uucp 540 uucpd uucp-rlogin 541 uucp-rlogin Stuart Lynne klogin 543 kshell 544 krcmd new-rwho 550 new-who rtsp 554 Real Time Streaming Protocol (RTSP) dsf 555 remotefs 556 rfs server rmonitor 560 rmonitord monitor 561 chshell 562 chcmd nntps 563 NNTP protocol over TLS/SSL 9pfs 564 plan 9 file service whoami 565 whoami meter 570 demon meter 571 udemon submission 587 Message Submission SMTP ipcserver 600 Sun IPC server nqs 607 nqs urm 606 Cray Unified Resource Manager sift-uft 608 Sender-Initiated/Unsolicited File Transfer npmp-trap 609 npmp-trap npmp-local 610 npmp-local npmp-gui 611 npmp-gui ginad 634 ginad mdqs 666 doom 666 doom Id Software doom 666 doom Id Software elcsd 704 errlog copy/server daemon entrustmanager 709 EntrustManager netviewdm1 729 IBM NetView DM/6000 Server/Client netviewdm2 730 IBM NetView DM/6000 send/tcp netviewdm3 731 IBM NetView DM/6000 receive/tcp netgw 741 netGW netrcs 742 Network based Rev. Cont. Sys. flexlm 744 Flexible License Manager fujitsu-dev 747 Fujitsu Device Control ris-cm 748 Russell Info Sci Calendar Manager kerberos-adm 749 kerberos administration rfile 750 pump 751 qrh 752 rrh 753 tell 754 send nlogin 758 con 759 ns 760 rxe 761 quotad 762 cycleserv 763 omserv 764 webster 765 phonebook 767 phone vid 769 cadlock 770 rtip 771 cycleserv2 772 submit 773 rpasswd 774 entomb 775 wpages 776 wpgs 780 concert 786 Concert mdbs_daemon 800 device 801 telnets 992 Telnet protocol over TLS/SSL imaps 993 IMAP over TLS protocol pop3s 995 POP3 over TLS protocol xtreelic 996 Central Point Software maitrd 997 busboy 998 garcon 999 puprouter 999 cadlock 1000 kpop 1109 Kerberos POP ms-sql-s 1433 Microsoft-SQL-Server ms-sql-m 1434 Microsoft-SQL-Monitor wins 1512 Microsoft Windows Internet Name Service ingreslock 1524 pptp 1723 Point-to-point tunnelling protocol msmq 1801 Microsoft Message Que mqtt 1833 udpradio, MQ Telemetry Transport ssdp 1900 SSDP UPnP_Forum mysql 3306 MySQL prnrequest 3910 Printer Request Port HP JetAdmin dns-llq 5352 DNS Long-Lived Queries mdns 5353 Multicast DNS mdnsresponder 5354 Multicast DNS Responder IPC llmnr 5355 Link Local Multicast Name Resolution ms-smlbiz 5356 Microsoft Small Business knetd 2053 Kerberos de-multiplexor vnc 5900 Remote Framebuffer, VNC ircu 6665 IRCU ircu 6666 IRCU ircu 6667 IRCU ircu 6668 IRCU ircu 6669 IRCU secure-mqtt 8883 Secure MQTT