Important TCP/IP Port
The well known ports are assigned by IANA in the range of 0 to 1023.
________________________________________
Port Transport Protocol
0 TCP Shirt Pocket netTunes.
Shirt Pocket launchTunes.
1 TCP TCPMUX, TCP Port Service Multiplexer.
2 TCP, UDP Management Utility.
3 TCP, UDP Compression Process.
4
5 TCP, UDP Remote Job Entry.
6
7 TCP, UDP Echo.
8
9 SCTP, TCP, UDP Discard.
10
11 TCP, UDP SYSTAT.
12
13 TCP, UDP Daytime.
14
15
16
17 TCP, UDP Quote, Quote of the Day.
18 TCP, UDP RWP, Remote Write Protocol. Send, Message Send Protocol.
19 TCP, UDP Chargen, Character Generator Protocol.
20 TCP FTP, File Transfer Protocol, data.
21 TCP FTP, File Transfer Protocol, control.
22 SCTP, TCP SSH.
23 TCP Telnet.
24 Any private mail system.
25 TCP SMTP, Simple Mail Transfer Protocol.
26
27 TCP, UDP NSW User System FE.
28
29 TCP, UDP MSG ICP.
30
31 TCP, UDP MSG Authentication.
32
33 TCP, UDP Display Support Protocol.
34
35 Any private printer server.
36
37 TCP, UDP Time, Time Protocol.
38 TCP, UDP RAP, Internet Route Access Protocol.
39 UDP RLP, Resource Location Protocol.
40
41 TCP, UDP Graphics.
42 UDP Internet Name Server.
43 TCP Whois.
44 TCP, UDP MPM FLAGS Protocol.
45 TCP Internet Message Protocol.
46 TCP, UDP MPM [default send].
47 TCP, UDP NI FTP.
48 TCP, UDP Digital Audit Daemon.
49 TCP TACACS+.
UDP TACACS.
50 UDP RMCP, Remote Mail Checking Protocol.
51 TCP, UDP IMP Logical Address Maintenance.
52 TCP, UDP XNS Time Protocol.
53 TCP, UDP DNS, Domain Name System.
54 TCP, UDP XNS Clearinghouse.
55 TCP, UDP ISI Graphics Language.
56 TCP, UDP XNS Authentication.
57 TCP MTP, Mail Transfer Protocol.
58 TCP, UDP XNS Mail.
59 TCP NFILE.
60
61 TCP, UDP NI MAIL.
62 TCP, UDP ACA Services.
63 TCP, UDP Whois++.
64 TCP, UDP CI, Communications Integrator.
65 TCP, UDP TACACS-Database Service.
66 TCP, UDP Oracle SQL*NET.
67 UDP BOOTP, Bootstrap Protocol, server.
68 UDP BOOTP, Bootstrap Protocol, client.
69 UDP TFTP, Trivial File Transfer Protocol.
70 TCP Gopher.
71
74 TCP, UDP Remote Job Service.
75 Any private dial out service.
76 TCP, UDP Distributed External Object Store.
77 Any private RJE service.
78 TCP, UDP vettcp.
79 TCP Finger.
80 TCP HTTP, HyperText Transfer Protocol.
81
82 TCP, UDP XFER Utility.
83 TCP, UDP MIT ML Device.
84 TCP, UDP Common Trace Facility.
85 TCP, UDP MIT ML Device.
86 TCP, UDP Micro Focus Cobol.
87 Any private terminal link.
88 UDP Kerberos.
89 TCP, UDP SU/MIT Telnet Gateway.
90 TCP, UDP Used unofficially by Pointcast.
DNSIX Securit Attribute Token Map.
91 TCP, UDP MIT Dover Spooler.
92 TCP, UDP Network Printing Protocol.
93 TCP, UDP Device Control Protocol.
94 TCP, UDP Tivoli Object Dispatcher.
95 SUPDUP.
96 TCP, UDP DIXIE.
97 TCP, UDP Swift Remote Virtual File Protocol.
98 TCP, UDP TAC News.
99 TCP, UDP Metagram Relay.
100 [unauthorized use]
101 TCP HOSTNAME.
102 TCP TP0 over TCP.
103 Genesis Point-to-Point Trans Net.
104 ACR-NEMA Digital Imag. & Comm. 300.
105 TCP Ph.
105 Mailbox Name Nameserver.
106 3COM-TSMUX.
107 Remote Telnet Service.
108 SNA Gateway Access Server.
109 TCP POP, Post Office Protocol, version 2.
110 TCP POP, Post Office Protocol, version 3.
111 Portmapper.
112 McIDAS Data Transmission Protocol.
113 TCP Identification Protocol.
114
115 TCP SFTP, Simple File Transfer Protocol.
116 ANSA REX Notify.
117 TCP UUCP, Unix To Unix Copy.
118 SQL Services.
119 TCP NNTP, Network News Transfer Protocol.
120 UDP CFDP, Coherent File Distribution Protocol.
121 Encore Expedited Remote Pro.Call.
122 SMAKYNET.
123 UDP NTP, Network Time Protocol.
124 ANSA REX Trader.
125 Locus PC-Interface Net Map Serv.
126 Unisys Unitary Login.
127 Locus PC-Interface Conn Server.
128 GSS X License Verification.
129 TCP, UDP PWDGEN, Password Generator Protocol.
130 cisco FNATIVE.
131 cisco TNATIVE.
132 cisco SYSMAINT.
133 TCP, UDP STATSRV, Statistics Server.
134 INGRES-NET Service.
135 DCE endpoint resolution.
136 PROFILE Naming System.
137 NETBIOS Name Service.
138 NETBIOS Datagram Service.
139 NETBIOS Session Service.
140 EMFIS Data Service.
141 EMFIS Control Service.
142 Britton-Lee IDM.
143 TCP IMAP, Interactive Mail Access Protocol.
144 Universal Management Architecture.
145 UAAC Protocol.
146 TP0 bridge between TCP and X.25.
147 UDP ISO-IP.
148 Jargon.
149 AED 512 Emulation Service.
150 SQL-NET.
151 HEMS.
152 TCP BFTP, Background File Transfer Program.
153 UDP SGMP, Simple Gateway Monitoring Protocol.
154
155 NETSC.
156 SQL Service.
157 KNET/VM Command/Message Protocol.
158 TCP DMSP, Distributed Mail Service Protocol.
159 NSS-Routing.
160 SGMP-TRAPS.
161 TCP, UDP SNMP, Simple Network Management Protocol.
162 TCP, UDP SNMP, Simple Network Management Protocol traps.
163 CMIP/TCP Manager.
164 CMIP/TCP Agent.
165 Xerox.
166 Sirius Systems.
167 NAMP.
168 RSVD.
169 SEND.
170 Network PostScript.
171 Network Innovations Multiplex.
172 Network Innovations CL/1.
173 Xyplex.
174 MAILQ.
175 VMNET.
176 GENRAD-MUX.
177 XDMCP, X Display Manager Control Protocol.
178 NextStep Window Server.
179 TCP BGP, Border Gateway Protocol.
180 Intergraph.
181 Unify.
182 Unisys Audit SITP.
183 OCBinder.
184 OCServer.
185 Knowbot Information Service.
186 KIS Protocol.
187 Application Communication Interface.
188 Plus Five’s MUMPS.
189 Queued File Transport.
190 Gateway Access Control Protocol.
191 Prospero Directory Service.
192 OSU Network Monitoring System.
193 Spider Remote Monitoring Protocol.
194 Internet Relay Chat Protocol.
195 DNSIX Network Level Module Audit.
196 DNSIX Session Mgt Module Audit Redir.
197 Directory Location Service.
198 Directory Location Service Monitor.
199 TCP SMUX.
200 IBM System Resource Controller.
201 AppleTalk Routing Maintenance.
202 AppleTalk Name Binding.
203 AppleTalk Unused.
204 AppleTalk Echo.
205 AppleTalk Unused.
206 AppleTalk Zone Information.
207 AppleTalk Unused.
208 AppleTalk Unused.
209 The Quick Mail Transfer Protocol.
210 TCP Z39.50.
211 Texas Instruments 914C/G Terminal.
212 ATEXSSTR.
213 IPX.
214 VM PWSCS.
215 Insignia Solutions.
216 Computer Associates Int’l License Server.
217 dBASE Unix.
218 TCP MPP, Message Posting Protocol.
219 Unisys ARPs.
220 TCP IMAP, Interactive Mail Access Protocol, version 3.
221 Berkeley rlogind with SPX auth.
222 Berkeley rshd with SPX auth.
223 Certificate Distribution Center.
242 Direct.
243 Survey Measurement.
244 Dayna.
245 LINK.
246 Display Systems Protocol.
247 SUBNTBCST_TFTP.
248 bhfhs.
249
255
256 RAP.
257 Secure Electronic Transaction.
258 Yak Winsock Personal Chat.
259 UDP ESRO, Efficient Short Remote Operations.
260 Openport.
261 IIOP Name Service over TLS/SSL.
262 Arcisdms.
263 HDAP.
264 TCP BGMP, Border Gateway Multicast Protocol.
265 X-Bone CTL.
266 SCSI on ST.
267 Tobit David Service Layer.
268 Tobit David Replica.
269 MANET protocols.
270 UDP GIST Q-mode messages.
271
279
280 http-mgmt.
281 Personal Link.
282 Cable Port A/X.
283 rescap.
284 corerjd.
285
286 FXP-1.
287 K-BLOCK.
288
299
300
307
308 Novastor Backup.
309 EntrustTime.
310 bhmds.
311 AppleShare IP WebAdmin.
312 VSLMP.
313 Magenta Logic.
314 Opalis Robot.
315 DPSI.
316 decAuth.
317 Zannet.
318 TCP TSP, Time Stamp Protocol.
319 PTP Event.
320 PTP General.
321 PIP.
322 RTSPS.
323 IMMP, Internet Message Mapping Protocol.
324
332
333 Texar Security Port.
334
343
344 Prospero Data Access Protocol.
345 Performance Analysis Workbench.
346 Zebra server.
347 Fatmen Server.
348 Cabletron Management Protocol.
349 mftp.
350 TCP MATIP, Mapping of Airline Traffic over Internet Protocol, Type A.
351 TCP MATIP, Mapping of Airline Traffic over Internet Protocol, Type B.
bhoetty.
352 DTAG.
353 NDSAUTH.
354 bh611.
355 DATEX-ASN.
356 Cloanto Net 1.
357 bhevent.
358 Shrinkwrap.
359 Tenebris Network Trace Service.
360 scoi2odialog.
361 Semantix.
362 SRS Send.
363 UDP RSVP Tunnel.
364 Aurora CMGR.
365 DTK.
366 TCP SMTP, Simple Mail Transfer Protocol. ODMR, On-Demand Mail Relay.
367 MortgageWare.
368 QbikGDP.
369 rpc2portmap.
370 codaauth2.
371 Clearcase.
372 ListProcessor.
373 Legent Corporation.
374 Legent Corporation.
375 Hassle.
376 Amiga Envoy Network Inquiry Proto.
377 NEC Corporation.
378 NEC Corporation.
379 TIA/EIA/IS-99 modem client.
380 TIA/EIA/IS-99 modem server.
381 HP performance data collector.
382 HP performance data managed node.
383 HP performance data alarm manager.
384 A Remote Network Server System.
385 IBM Application.
386 ASA Message Router Object Def.
387 UDP AURP, AppleTalk Update-based Routing Protocol.
388 Unidata LDM Version 4.
389 TCP LDAP, Lightweight Directory Access Protocol.
UDP CLDAP, Connection-less Lightweight X.500 Directory Access Protocol.
390 UIS.
391 SynOptics SNMP Relay Port.
392 SynOptics Port Broker Port.
393 Data Interpretation System.
394 EMBL Nucleic Data Transfer.
395 NETscout Control Protocol.
396 Novell Netware over IP.
397 Multi Protocol Trans. Net.
398 Kryptolan.
399 TCP TP2 encapsulation.
400 Oracle Secure Backup.
401 Uninterruptible Power Supply.
402 Genie Protocol.
403 decap.
404 nced.
405 ncld.
406 Interactive Mail Support Protocol.
407 Timbuktu.
408 Prospero Resource Manager System Manager.
409 Prospero Resource Manager Node Manager.
410 DEC Ladebug Remote Debug Protocol.
411 Remote MT Protocol.
412 Trap Convention Port.
413 SMSP.
414 InfoSeek.
415 BNet.
416 Silverplatter.
417 Onmux.
418 Hyper-G.
419 Ariel.
420 SMPTE.
421 Ariel.
422 Ariel.
423 IBM Operations Planning and Control Start.
424 IBM Operations Planning and Control Track.
425 ICAD.
426 smartsdp
427 TCP, UDP SLP, Service Location Protocol.
428 OCS_CMU.
429 OCS_AMU
430 UTMPSD
431 UTMPCD
432 IASD
433 NNSP
434 UDP Mobile IP agent.
435 Mobile IP MN.
436 DNA-CML
437 comscm
438 dsfgw
439 dasp
440 sgcp
441 decvms-sysmgt
442 cvc_hostd
443 TCP HTTPS, HTTP over SSL/TLS.
444 SNPP, Simple Network Paging Protocol.
445 Microsoft-DS.
446 DDM-RDB
447 DDM-RFM
448 DDM-SSL
449 AS Server Mapper
450 TServer
451 Cray Network Semaphore server
452 Cray SFS config server
453 CreativeServer
454 ContentServer
455 CreativePartnr
456 macon-tcp
457 scohelp
458 apple quick time
459 ampr-rcmd
460 skronk
461 DataRampSrv
462 DataRampSrvSec
463 alpes
464 TCP, UDP Kerberos change/set password.
465 TCP URL Rendesvous Directory for SSM.
UDP IGMP over UDP for SSM.
466 digital-vrc
467 mylex-mapd
468 UDP Photuris.
469 Radio Control Protocol.
470 scx-proxy
471 Mondex.
472 ljk-login.
473 hybrid-pop.
474 TCP tn-tl-w1.
UDP tn-tl-w2.
475 tcpnethaspsrv.
476 tn-tl-fd1.
477 ss7ns.
478 spsc.
479 iafserver.
480 iafdbase.
481 Ph service.
482 bgs-nsi.
483 ulpnet.
484 Integra Software Management Environment.
485 Air Soft Power Burst.
486 Avian.
487 SAFT, Simple Asynchronous File Transfer.
488 gss-http.
489 nest-protocol.
490 micom-pfs.
491 go-login.
492 Transport Independent Convergence for FNA.
493 Transport Independent Convergence for FNA.
494 POV-Ray.
495 intecourier.
496 PIM-RP-DISC.
497 dantz.
498 siam.
499 ISO ILL Protocol.
500 UDP ISAKMP.
IKE, Internet Key Exchange.
501 STMF.
502 asa-appl-proto.
503 Intrinsa.
504 citadel.
505 mailbox-lm.
506 ohimsrv.
507 crs.
508 xvttp.
509 snare.
510 FirstClass Protocol.
511 mynet-as.
512 rexec, remote process execution.
Used by mail system to notify users of new mail received.
513 TCP Rlogin. Maintains data bases for who’s logged on a local net and the average load of the machine.
514 UDP Syslog. cmd like exec but automatic authentication is performed for login server.
515 TCP LPR.
516 videotex.
517 Like tenex link but across machine – doesn’t use link protocol. A rendezvous port establishes a tcp connection.
518 ntalk.
519 unixtime.
520 UDP RIP, Routing Information Protocol.
Extended file name server.
521 UDP RIPng.
522 ULP.
523 IBM-DB2.
524 NCP.
525 timeserver.
526 newdate.
527 Stock IXChange.
528 Customer IXChange.
529 IRC-SERV.
530 rpc.
531 chat.
532 readnews.
533 emergency broadcasts.
534 MegaMedia Admin.
535 iiop.
536 opalis-rdv.
537 Networked Media Streaming Protocol.
538 gdomap.
539 Apertus Technologies Load Determination.
540 uucpd.
541 uucp-rlogin.
542 commerce.
543 klogin.
544 krcmd.
545 appleqtcsrvr.
546 UDP DHCPv6 client.
547 UDP DHCPv6 server.
548 AFP over TCP.
549 IDFP.
550 new-who.
551 cybercash.
552 deviceshare.
553 pirp.
554 TCP, UDP RTSP, Real Time Streaming Protocol.
555 dsf.
556 rfs server.
557 openvms-sysipc.
558 SDNSKMP.
559 TEEDTAP.
560 rmonitord.
561 monitor.
562 chcmd.
563 TCP NNTP over TLS.
564 plan 9 file service.
565 whoami.
566 streettalk.
567 banyan-rpc.
568 microsoft shuttle.
569 microsoft rome.
570 demon.
571 udemon.
572 sonar.
573 banyan-vip.
574 FTP Software Agent System.
575 TCP VEMMI, VErsatile MultiMedia Interface.
576 ipcd.
577 vnas.
578 ipdd.
579 decbsrv.
580 SNTP HEARTBEAT.
581 UDP Bundle Discovery Protocol.
582 SCC Security.
583 Philips Video-Conferencing.
584 Key Server.
585
586 Password Change.
587 TCP ESMTP, Extended Simple Mail Transfer Protocol.
588 CAL.
589 EyeLink.
590 TNS CML.
591 FileMaker Inc. – HTTP Alternate (see Port 80).
592 Eudora Set.
593 HTTP RPC Ep Map.
594 TPIP.
595 CAB Protocol.
596 SMSD.
597 PTC Name Service.
598 SCO Web Server Manager 3.
599 Aeolon Core Protocol.
600 Sun IPC server.
601 TCP Syslog.
602 XML-RPC over BEEP.
603 TCP IDXP, Intrusion Detection Exchange Protocol.
604 TCP TUNNEL.
605 TCP SOAP over BEEP.
606 Cray Unified Resource Manager.
607 nqs.
608 TCP SIFT/UFT, Sender-Initiated/Unsolicited File Transfer.
609 npmp-trap.
610 npmp-local.
611 npmp-gui.
612 HMMP Indication.
613 HMMP Operation.
614 SSLshell.
615 Internet Configuration Manager.
616 SCO System Administration Server.
617 SCO Desktop Administration Server.
618 DEI-ICDA.
619 Digital EVM.
620 SCO WebServer Manager.
621 ESCP.
622 Collaborator.
623 DMTF out-of-band web services management protocol.
Aux Bus Shunt.
ASF Remote Management and Control Protocol.
624 Crypto Admin.
625 DEC DLM.
626 ASIA.
627 CKS & TIVIOLI.
628 QMQP.
629 3Com AMP3.
630 RDA.
631 TCP IPP, Internet Printing Protocol.
632 bmpp.
633 Service Status update (Sterling Software).
634 ginad.
635 RLZ DBase.
636 ldap protocol over TLS/SSL (was sldap).
637 lanserver.
638 mcns-sec.
639 TCP MSDP, Multicast Source Discovery Protocol.
640 entrust-sps.
641 repcmd.
642 UDP EMSD over ESRO.
643 SANity.
644 dwr.
645 PSSC.
646 TCP, UDP LDP, Label Distribution Protocol.
647 TCP DHCP Failover Protocol.
648 TCP RRP, Registry Registrar Protocol.
649 Aminet.
650 OBEX.
651 IEEE MMS.
652 UDP DTCP, Dynamic Tunnel Configuration Protocol.
653 RepCmd.
654 UDP AODV, Ad hoc On-Demand Distance Vector.
655 TINC.
656 SPMP.
657 RMC.
658 TenFold.
659 URL Rendezvous.
660 MacOS Server Admin.
661 HAP.
662 PFTP.
663 PureNoise.
664 DMTF out-of-band secure web services management protocol.
ASF Secure Remote Management and Control Protocol.
Secure Aux Bus.
665 Sun DR.
666 Doom, Id Software.
667 Campaign contribution campaign contribution disclosures – SDR Technologies.
668 MeComm.
669 MeRegister.
670 VACDSM-SWS.
671 VACDSM-APP.
672 VPPS-QUA.
673 CIMPLEX.
674 TCP ACAP, Application Configuration Access Protocol.
675 DCTP.
676 VPPS Via.
677 Virtual Presence Protocol.
678 GNU Gereration Foundation NCP.
679 MRM.
680 entrust-aaas.
681 entrust-aaas.
682 XFR.
683 CORBA IIOP.
684 CORBA IIOP SSL.
685 MDC Port Mapper.
686 Hardware Control Protocol Wismar.
687 asipregistry.
688 REALM-RUSD.
689 NMAP.
690 VATP.
691 MS Exchange Routing.
692 Hyperwave-ISP.
693 connendp.
694 ha-cluster.
695 IEEE-MMS-SSL.
696 RUSHD.
697 UUIDGEN.
698 UDP OLSR, Optimized Link State Routing.
699 Access Network.
700 TCP EPP, Extensible Provisioning Protocol.
701 UDP LMP, Link Management Protocol.
702 TCP IRIS over BEEP.
703
704 errlog copy/server daemon.
705 TCP AgentX.
706 TCP, UDP SILC, Secure Internet Live Conferencing.
707 Borland DSJ.
708
709 Entrust Key Management Service Handler.
710 Entrust Administration Service Handler.
711 TDP, Tag Distribution Protocol.
712 UDP TBRPF, Topology Broadcast based on Reverse-Path Forwarding.
713 TCP IRIS over XPC.
714 TCP IRIS over XPCS (RFC 4992).
715 IRIS-LWZ (RFC 4993).
716 PANA, Protocol for Carrying Authentication for Network Access.
717
719
720 DVMP, Distance Vectored Monitoring Protocol.
SMQP, Simple Message Queue Protocol.
721 XSRP, eXtensible Service Registration Protocol.
722
723 XSTP, eXtensible Service Transfer Protocol.
724
725 XSSP, eXtensible Service Subscription Protocol.
726
727 XSLP, eXtensible Service Location Protocol.
728
729 IBM NetView DM/6000 Server/Client.
730 IBM NetView DM/6000 send TCP.
731 IBM NetView DM/6000 receive TCP.
732
740
741 netGW.
742 Network based Rev. Cont. Sys.
743
744 Flexible License Manager.
745
746
747 Fujitsu Device Control.
748 Russell Info Sci Calendar Manager.
749 kerberos administration.
750 kerberos version iv.
751 pump.
752 qrh.
753 rrh.
754 send
755
756
757
758 nlogin.
759 con.
760 ns.
761 rxe.
762 quotad.
763 cycleserv.
764 omserv.
765 webster.
766
767 phone.
768
769 vid.
770 cadlock.
771 rtip.
772 cycleserv2.
773 submit.
774 rpasswd.
acmaint_dbd.
775 entomb.
acmaint_transd.
776 wpages.
777 Multiling HTTP.
778
779
780 wpgs.
781
–
799
800 mdbs_daemon.
801 device.
802
809
810 FCP.
811
827
828 itm-mcell-s.
829 CMP, Certificate Management Protocols.
830 NETCONF over SSH.
831 NETCONF over BEEP.
832 NETCONF for SOAP over HTTP.
833 NETCONF for SOAP over BEEP.
834
846
847 dhcp-failover 2.
848 UDP GDOI, Group Domain of Interpretation.
849
859
860 TCP iSCSI.
861 OWAMP, One-way Active Measurement Protocol.
862 TCP, UDP TWAMP, Two-Way Active Measurement Protocol.
863
872
873 TCP rsync.
874
885
886 ICL coNETion locate server.
887 ICL coNETion server info.
888 AccessBuilder.
CD Database Protocol.
889
899
900 OMG Initial Refs.
901 SMPNAMERES.
902 IDEAFARM-CHAT.
903 IDEAFARM-CATCH.
904
909
910 KINK, Kerberized Internet Negotiation of Keys.
911 xact-backup.
912 APEX relay-relay service.
913 APEX endpoint-relay service.
914
988
989 FTP data over TLS/SSL.
990 FTP control over TLS/SSL.
991 NAS, Netnews Administration System.
992 telnet over TLS/SSL.
993 imap4 over TLS/SSL.
994
995 pop3 over TLS/SSL (was spop3).
996 vsinet.
997 maitrd.
998 busboy.
puparp.
999 Applix ac.
garcon.
puprouter.
1000 cadlock2.
1001
1007
1008 Sun Solaris?
1009
1010 surf.
1011
1020
1021 RFC 3692-style Experiment 1.
1022 RFC 3692-style Experiment 2.
1023 reserved.