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 TCP/UDP Port Numbers

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Port Assignments for Well Known Ports

The Well Known Ports are those from 0 through 1023.

00 ,100 , 200 ,300 ,400 , 500 ,600 ,700 , 800 ,900 ,1000

The Registered Ports are those from 1024 through 49151

1000 ,1100 , 1200 ,1300 , 1400 ,1500 , 1600 ,1700 , 1800 ,1900 ,
2000 ,2100 , 2200 ,2300 , 2400 ,2500 , 2600 ,2700 , 2800 ,2900 ,
3000 ,3100 , 3200 ,3300 , 3400 ,3500 , 3800 ,3900 ,
4000 ,4100 , 4200 ,4300 , 4400 ,4500 , 4600 ,4700 , 4800 ,4900 ,
5000 ,5500 , 6000 ,6500 , 7000 ,10000 ,20000+

The Dynamic and/or Private Ports are those from 49152 through 65535

N="CENTER">503

PORT

PROTOCOL KEYWORD DESCRIPTION
0
tcp, udp   Reserved
1
tcp, udp tcpmux TCP Port Service Multiplexer rfc-1078
2
tcp, udp compressnet Management Utility
3
tcp, udp compressnet Compression Process
4
tcp, udp echo AppleTalk Echo Protocol
5
tcp, udp rje Remote Job Entry
6
ddp zip Zone Information Protocol
7
tcp, udp echo Echo
8
tcp, udp   Unassigned
9
tcp, udp discard Discard; alias=sink null
10
tcp, udp   Unassigned
11
tcp, udp systat Active Users; alias=users
12
tcp, udp   Unassigned
13
tcp, udp daytime Daytime
14
tcp, udp   Unassigned
15
tcp, udp   Unassigned [was netstat]
16
tcp, udp   Unassigned
17
tcp qotd Quote of the Day; alias=quote
18
tcp, udp msp Message Send Protocol
19
tcp, udp chargen Character Generator; alias=ttytst source
20
tcp ftp-data File Transfer [Default Data]
21
tcp ftp File Transfer [Control], connection dialog
22
tcp ssh Secure Shell Login
22
udp pcanywhere PC Anywhere
23
tcp telnet Telnet
24
tcp priv-mail Any private mail system
25
tcp smtp Simple Mail Transfer; alias=mail
PORT
TRANSPORT KEYWORD DESCRIPTION
26
tcp udp   Unassigned
27
tcp nswfe NSW User System FE
28
tcp udp   Unassigned
29
tcp msgicp MSG ICP
30
tcp udp   Unassigned
31
tcp msgauth MSG Authentication
32
tcp udp   Unassigned
33
tcp udp dsp Display Support Protocol
34
tcp udp   Unassigned
35
tcp udp priv-print Any private printer server
36
tcp udp   Unassigned
37
tcp udp time Time; alias=timeserver
38
tcp udp rap Remote Access Protocol
39
tcp udp rlp Resource Location Protocol; alias=resource
40
tcp udp   Unassigned
41
tcp, udp graphics Graphics
41
tcp, udp deepthroat Deep Throat Trpjan Horse
42
tcp udp nameserver Host Name Server; alias=nameserver
43
tcp udp nicname Who Is; alias=nicname
44
tcp udp mpm-flags MPM FLAGS Protocol
45
tcp udp mpm Message Processing Module [recv]
46
tcp udp mpm-snd MPM [default send]
47
tcp udp ni-ftp NI FTP
48
tcp udp auditd Digital Audit Daemon
49
tcp udp tacacs Login Host Protocol (TACACS)
50
tcp udp re-mail-ck Remote Mail Checking Protocol
51
tcp udp la-maint IMP Logical Address Maintenance
52
tcp udp xns-time XNS Time Protocol
53
tcp udp domain Domain Name Server
54
tcp udp xns-ch XNS Clearinghouse
55
tcp udp isi-gl ISI Graphics Language
56
tcp udp xns-auth XNS Authentication
57
tcp udp priv-term Any private terminal access
58
tcp udp xns-mail XNS Mail
59
tcp udp priv-file Any private file service
60
tcp udp   Unassigned
61
tcp udp ni-mail NI MAIL
62
tcp udp acas ACA Services
63
tcp udp via-ftp / whois++ VIA Systems - FTP / whois++
64
tcp udp covia Communications Integrator (Cl)
65
tcp udp tacacs-ds TACACS-Database Service
66
tcp udp sql*net Oracle SQL*NET
67
tcp udp bootps DHCP BOOTP Protocol Server
68
tcp udp bootpc DHCP BOOTP Protocol Client
69
tcp udp tftp Trivial File Transfer
70
tcp udp gopher Gopher
71
tcp udp netrjs-1 Remote Job Service
72
tcp udp netrjs-2 Remote Job Service
73
tcp udp netrjs-3 Remote Job Service
74
tcp udp netrjs-4 Remote Job Service
75
udp priv-dial Any private dial out service
76
tcp udp deos Distributed External Object Store
77
tcp udp priv-rjs Any private RJE service
78
tcp udp vettcp Vettcp
79
tcp udp finger Finger
80
tcp udp WWW World Wide Web HTTP
81
tcp udp hosts2-ns HOSTS2 Name Server
82
tcp udp xfer XFER Utility
83
tcp udp mit-ml-dev MIT ML Device
84
tcp udp ctf Common Trace Facility
85
tcp udp mit-nil-dev MIT ML Device
86
tcp udp mfcobol Micro Focus Cobol
87
tcp udp ttylink Any private terminal link; alias=ttylink
88
tcp udp kerberos-sec Kerberos(v5) krb5
89
tcp udp su-mit-tg SU/MIT Telnet Gateway
PORT 90 also being used unofficially by Pointcast
90
tcp udp DNSIX DNSIX Security Attribute Token Map
91
tcp udp mit-dov MIT Dover Spooler
92
tcp udp npp Network Printing Protocol
93
tcp udp dcp Device Control Protocol
94
tcp udp objcall Tivoli Object Dispatcher
95
tcp supdup BSD supupd(8)
96
tcp udp dixie DIXIE Protocol Specification
97
tcp udp swift-rvf Swift Remote Virtual File Protocol
98
tcp linuxconf linuxconf
98
udp tacnews TAC News
99
tcp udp metagram Metagram Relay
100
tcp newacct [unauthorized use]
PORT
TRANSPORT KEYWORD DESCRIPTION
101
tcp udp hostriame NIC Host Name Server; alias=hostname
102
tcp udp iso-tsap ISO-TSAP Class 0
103
tcp udp gppitnp Genesis Point-to-point Trans Net or X400 ISO Email; alias=webster
104
tcp udp acr-nema ACR-NEMA Digital Imag. & Comm. 300
105
tcp udp csnet-ns Mailbox Name Nameserver
106
tcp udp 3com-tsmux 3COM-TSMUX, Eudora compatible PW changer
107
tcp udp rtelnet Remote Telnet Service
108
tcp udp snagas SNA Gateway Access Server
109
tcp udp pop2 Post Office Protocol - Ver 2; alias=postoffice
110
tcp udp pop3 Post Office Protocol - Ver 3; alias=postoffice
111
tcp udp sunrpc SUN Remote Procedure Call, rpcbind
112
tcp udp mcidas McIDAS Data Transmission Protocol
113
tcp udp auth ident, tap, Authentication Service
114
tcp udp audionews Audio News Multicast
115
tcp udp sftp Simple File Transfer Protocol
116
tcp udp ansanotify ANSA REX Notify
117
tcp udp uucp-path UUCP Path Service
118
tcp udp sqIserv SQL Services
119
tcp udp nntp Network News Transfer Protocol; alias=usenet
120
tcp udp cfdptkt CFDPTKT
121
tcp udp erpc Encore Expedited Remote Pro.Call
121
tcp udp jammerkilla BO Jammer Killa Trojan Horse
122
tcp udp smakynet SMAKYNET
123
tcp udp ntp Network Time Protocol; alias=ntpd ntp
124
tcp udp ansatrader ANSA REX Trader
125
tcp udp locus-map Locus PC-Interface Net Map Server
PORT
TRANSPORT KEYWORD DESCRIPTION
126
tcp udp nxedit NXEdit - Previously: Unisys Unitary Login
127
tcp udp locus-con Locus PC-Interface Conn Server
128
tcp udp gss-xlicen GSS X License Verification
129
tcp udp pwdgen Password Generator Protocol
130
tcp udp cisco-fna Cisco FNATIVE
131
tcp udp cisco-tna Cisco TNATIVE
132
tcp udp cisco-sys Cisco SYSMAINT
133
tcp udp statsrv Statistics Service
134
tcp udp ingres-net INGRES-NET Service
135
tcp udp loc-srv / epmap Location Service / DCE endpoint resolution
136
tcp udp profile PROFILE Naming System
137
tcp udp netbios-ns NetBIOS Name Service
138
tcp udp netbios-dgm NetBIOS Datagram Service
139
tcp udp netbios-ssn NetBIOS Session Service
140
tcp udp emfis-data EMFIS Data Service
141
tcp udp emfis-cntl EMFIS Control Service
142
tcp udp bl-idm Britton-Lee IDM
143
tcp udp imap2 Internet Message Access Protocol v2
144
tcp udp NeWs
145
tcp udp uaac UAAC Protocol
146
tcp udp iso-ip0 ISO-IP0
147
tcp udp iso-ip ISO-IP
148
tcp udp cronus / jargon CRONUS-SUPPORT / Jargon
149
tcp udp aed-512 AED 512 Emulation Service
150
tcp udp sql-net SQL-NET
PORT
TRANSPORT KEYWORD DESCRIPTION
151
tcp udp hems HEMS
152
tcp udp bftp Background File Transfer Program
153
tcp udp sgmp SGMP; alias=sgmp
154
tcp udp netsc-prod Netscape
155
tcp udp netsc-dev Netscape
156
tcp udp sqlsrv SQL Service
157
tcp udp knet-cmp KNET/VM Command Message Protocol
158
tcp udp pcmail-srv PCMail Server; alias=repository
159
tcp udp nss-routing NSS-Routing
160
tcp udp sginp-traps SGMP-TRAPS
161
tcp udp sump SNMP; alias=snmp
162
tcp udp snmptrap SNMP-trap
163
tcp udp cmip-man CMIP TCP Manager
164
tcp udp cmip/smip-agent CMIP TCP Agent
165
tcp udp xns-courier Xerox
166
tcp udp s-net Sirius Systems
167
tcp udp namp NAMP
168
tcp udp rsvd RSVD
169
tcp udp send SEND
170
tcp udp print-srv Network PostScript
171
tcp udp multiplex Network Innovations Multiplex
172
tcp udp cl-1 Network Innovations CL/1
173
tcp udp xyplex-mux Xyplex
174
tcp udp mailq MAILQ
175
tcp udp vmnet VMNET
176
tcp udp genrad-mux GENRAD-MUX
177
tcp udp xdmcp X Display Manager Control Protocol
178
tcp udp nextstep NextStep Window Server
179
tcp udp bgp Border Gateway Protocol
180
tcp udp ris Intergraph
181
tcp udp unify Unify
182
tcp udp audit Unisys Audit SITP
183
tcp udp ocbinder OCBinder
184
tcp udp ocserver OCServer
185
tcp udp remote-kis Remote-KIS
186
tcp udp kis KIS Protocol
187
tcp udp aci Application Communication Interface
188
tcp udp mumps Plus Five's MUMPS
189
tcp udp qft Queued File Transport
190
tcp udp gacp/cacp Gateway Access Control Protocol
191
tcp udp prospero Prospero Directory Service
192
tcp udp osu-nms OSU Network Monitoring System
193
tcp udp srmp Spider Remote Monitoring Protocol
194
tcp udp irc Internet Relay Chat Protocol
195
tcp udp dn6-nlm-aud DNSIX Network Level Module Audit
196
tcp udp dn6-smm-red DNSIX Session Mgt Module Audit Redir
197
tcp udp dls Directory Location Service
198
tcp udp dls-mon Directory Location Service Monitor
199
tcp udp smux SNMP Unix Multiplexer
200
tcp udp src IBM System Resource Controller
201
tcp udp at-rtmp AppleTalk Routing Maintenance
202
tcp udp at-nbp AppleTalk Name Binding
203
tcp udp at-3 AppleTalk Unused
204
tcp udp at-echo AppleTalk Echo
205
tcp udp at-5 AppleTalk Unused
206
tcp udp at-zis AppleTalk Zone Information
207
tcp udp at-7 AppleTalk Unused
208
tcp udp at-8 AppleTalk Unused
209
tcp udp tam / qmtp Trivial Authenticated Mail Protocol / The Quick Transfer Protocol
210
tcp udp z39.50 wais, ANSI Z39.50
211
tcp udp 914c/g Texas Instruments 914C/G Terminal
212
tcp udp anet ATEXSSTR
213
tcp udp ipx IPX
214
tcp udp vmpwscs VM PWSCS
215
tcp udp softpc Insignia Solutions
216
tcp udp Atls / CAIlic (Access Technology / Computer Associates ) License Server
217
tcp udp dbase dBASE UNIX
218
tcp udp mpp Netix Message Posting Protocol
219
tcp udp uarps Unisys ARPs
220
tcp udp imap3 Interactive Mail Access Protocol v3
221
tcp udp fln-spx Berkeley rlogind with SPX auth
222
tcp udp rsh-spx Berkeley rshd. with SPX auth, Possible conflicy with "Masqdialer"
223
tcp udp cdc Certificate Distribution Center
224
tcp udp masqdialer masqdialer
225-241
    Reserved
242
tcp udp direct Direct
243
tcp udp sur-meas Survey Measurement
244
tcp udp dayna dayna
245
tcp udp link LINK
246
tcp udp dsp3270 Display Systems Protocol
247
tcp udp subntbcst_tftp SUBNTBCST_TFTP
248
tcp udp bhfhs bhfhs
249-255
tcp udp   Reserved
PORT
TRANSPORT KEYWORD DESCRIPTION
256
tcp udp rap RAP
257
tcp udp set Secure Electronic Transaction
258
tcp udp yak-chat Yak Winsock Personal Chat
259
tcp udp escro-gen Efficient Short Romote Operations
260
tcp udp openport Openport
261
tcp udp nsiiops IIOP Name Service TLS/SSL
262
tcp udp arcisdms Arcisdms
263
tcp udp hdap HDAP
264
tcp udp bgmp BGMP
265
tcp udp x-bone-ctl X-Bone CTL
267
tcp udp td-service Tobit David Service Layer
268
tcp udp td-replica Tobit David Replica
269-279
    Unassigned
280
tcp udp http-mgmt http-mgmt
281
tcp udp personal-link Personal-Link
282
tcp udp cableport-ax Cable Port A/X
283
tcp udp rescap rescap
284
tcp udp corerjd corerjd
285
tcp udp   Unassigned
286
tcp udp fxp-1 FXP-1
287
tcp udp k-block K-Block
288-307
    Unassigned
308
tcp udp novastorbakcup Novastor Backup
309
tcp udp entrusttime EntrustTime
310
tcp udp bhmds bhmds
311
tcp udp asip-webadmin AppleShare IP WebAdmin
312
tcp udp vslmp VSLMP
313
tcp udp magenta-logic netfusion.co.uk
314
tcp udp opalis-robot Opalis Robot
315
tcp udp dpsi DPSI
316
tcp udp decauth decAuth
317
tcp udp zannet Zannet
318
tcp udp pkix-timestamp PKIX TimeStamp
319
tcp udp ptp-event PTP Event
320
tcp udp ptp-general PTP General
321
tcp udp pip PIP
322
tcp udp rtsps RTSPS
323-332
    Unassigned
333
tcp udp texar Texar Security Port
334-343
tcp udp   Unassigned
344
tcp udp pdap Propero Data Access Protocol
345
tcp udp pawserv Perf Analysis Workbench
346
tcp udp zserv Zebra server
347
tcp udp fatserv Fatmen Server
348
tcp udp csi-sgwp Cabletron Management Protocol
349
tcp udp mftp mftp
350
tcp udp matip-type-a MATIP Type A
351
tcp udp matip-type-b MATIP Type B or bhoetty
352
tcp udp dtag-ste-sb DTAG or bhoedap4
353
tcp udp ndsauth NDSAUTH
354
tcp udp bh611 bh611
355
tcp udp datex-asn DATEX-ASN
356
tcp udp cloanto-net-1 Cloanto Net 1
357
tcp udp bhevent bhevent
358
tcp udp shrinkwrap Shrinkwrap
359
tcp udp tenebris_nts Tenebris Network Trace Service
360
tcp udp scoi2odialog scoi2odialog
361
tcp udp semantix Semantix
362
tcp udp srssend SRS Send
363
tcp udp rsvp_tunnel RSVP Tunnel
364
tcp udp aurora_tunnel Aurora CMGR
365
tcp udp dtk Deception Tool Kit (lame www.all.net)
366
tcp udp odmr ODMR (On-Demand Mail Relay)
367
tcp udp mortgageware MortgageWare
368
tcp udp qbikgdp QbikGDP
369
tcp udp rpc2portmap rpc2portmap
370
tcp udp codaauth2 codaauth2
371
tcp udp clearcase Clearcase
372
tcp udp ulistserv / ulistproc UNIX Listserv / ListProcessor
373
tcp udp legent-1 Legent Corporation (now Computer Associates)
374
tcp udp legent-2 Legent Corporation (now Computer Associates)
375
tcp udp hassle Hassle
376
tcp udp nip Amiga Envoy Network Inquiry Protocol
377
tcp udp tnETOS NEC Corporation
378
tcp udp dsETOS NEC Corporation
379
tcp udp is99c TIA/EIA/IS-99 modem client
380
tcp udp is99s TIA/EIA/IS-99 modem server
381
tcp udp hp-collector HP performance data collector
382
tcp udp hp-managed-node HP performance data managed node
383
tcp udp hp-alarm-mgr HP performance data alarm manager
384
tcp udp arns A Remote Network Server System
385
tcp udp ibm-app IBM Application
386
tcp udp asa ASA Message Router Object Def.
387
tcp udp aurp AppleTalk Update-Based Routing Protocol
388
tcp udp unidata-ldm Unidata LDM Version 4
389
tcp udp ldap Lightweight Directory Access Protocol
390
tcp udp uis UIS
391
tcp udp synotics-relay SynOptics SNMP Relay Port
392
tcp udp synotics-broker SynOptics Port Broker Port
393
tcp udp dis Data Interpretation System
394
tcp udp embl-ndt EMBL Nucleic Data Transfer
395
tcp udp netcp NETscout Control Protocol
396
tcp udp netware-ip Novell Netware over IP
397
tcp udp mptn Multi Protocol Trans. Net.
398
tcp udp krypolan Kryptolan
399
tcp udp iso-tsap-c2 ISO Transport Class 2 Non-Control over TCO
400
tcp udp work-sol Workstation Solutions
401
tcp udp ups Uninterruptible Power Supply
402
tcp udp genie Genie Protocol
403
tcp udp decap decap
404
tcp udp nced nced
405
tcp udp ncld ncld
406
tcp udp imsp Interactive Mail Support Protocol
407
tcp udp timbuktu Timbuktu
408
tcp udp prm-sm Prospero Resource Manager Sys. Man.
409
tcp udp prm-nm Prospero Resource Manager Node Man.
410
tcp udp decladebug DECLadebug Remote Debug Protocol
411
tcp udp rmt Remote MT Protocol
412
tcp udp synoptics-trap Trap Convention Port
413
tcp udp smsp SMSP
414
tcp udp infoseek InfoSeek
415
tcp udp bnet BNet
416
tcp udp silverplatter Silverplatter
417
tcp udp onmux Onmux
418
tcp udp hyper-g Hyper-G
419
tcp udp ariel1 Ariel
420
tcp udp smpte SMPTE
421
tcp udp ariel2 Ariel
422
tcp udp ariel3 Ariel
423
tcp udp opc-job-start IBM Operations Planning and Control Start
424
tcp udp opc-job-track IBM Operations Planning and Control Track
425
tcp udp icad-el ICAD
426
tcp udp smartsdp smartsdp
427
tcp udp svrloc Server Location
428
tcp udp ocs_cmu OCS_CMU
429
tcp udp ocs_amu OCS_AMU
430
tcp udp utmpsd UTMPSD
431
tcp udp utmpcd UTMPCD
432
tcp udp iasd IASD
433
tcp udp nnsp usenet, Network News Transfer
434
tcp udp mobile-agent MobileIP-Agent
435
tcp udp mobile-mn MobilIP-MN
436
tcp udp dna-cml DNA-CML
437
tcp udp comscm comscm
438
tcp udp dsfgw dsfgw
439
tcp udp dasp dasp
440
tcp udp sgcp sgcp
441
tcp udp decvms-sysmgt decvms-sysmgt
442
tcp udp cvc_hostd cvc_hostd
443
tcp udp https http protocol over TLS/SSL
444
tcp udp snpp Simple Network Paging Protocol
445
tcp udp microsoft-ds Microsoft-DS
446
tcp udp ddm-rdb DDM-RDB
447
tcp udp ddm-dfm DDM-RFM
448
tcp udp ddm-ssl aam-byte
449
tcp udp as-servermap AS Server Mapper
450
tcp udp tserver TServer
451
tcp udp sfs-smp-net Cray Network Semaphore server
452
tcp udp sfs-config Cray SFS config server
453
tcp udp creativeserver CreativeServer
454
tcp udp contentserver ContentServer
455
tcp udp creativepartnr CreativePartnr
456
tcp udp macon-tcp/udp macon-tcp/udp
456
tcp udp HackerParadise Hackers Paradise Trojan
457
tcp udp scohelp scohelp
458
tcp udp appleqtc Apple Quick Time TV/Conferencing
459
tcp udp ampr-rcmd ampr-rcmd
460
tcp udp skronk skronk
461
tcp udp datasurfsrv DataRampSrv
462
tcp udp datasurfsrvsec DataRampSrvSec
463
tcp udp alpes alpes
464
tcp udp kpasswd kerberos (v5)
465
tcp udp smtps smtp protocol over TLS/SSL (was ssmtp)
466
tcp udp digital-vrc digital-vrc
467
tcp udp mylex-mapd mylex-mapd
468
tcp udp photuris proturis
469
tcp udp rcp Radio Control Protocol
470
tcp udp scx-proxy scx-proxy
471
tcp udp mondex Mondex
472
tcp udp ljk-login ljk-login
473
tcp udp hybrid-pop hybrid-pop
474
tcp udp tn-tl-w1 tn-tl-w1
475
tcp udp tcpnethaspsrv tcpnethaspsrv
476
tcp udp tn-tl-fd1 tn-tl-fd1
477
tcp udp ss7ns ss7ns
478
tcp udp spsc spsc
479
tcp udp iafserver iafserver
480
tcp udp iafdbase iafdbase
481
tcp udp des/ph Ph service
482
tcp udp bgs-nsi/xlog  
483
tcp udp ulpnet ulpnet
484
tcp udp integra-sme Integra Software Management Environment
485
tcp udp powerburst Air Soft Power Burst
486
tcp udp sstat/avian  
487
tcp udp saft saft Simple Asynchronous File Transfer
488
tcp udp gss-http gss-http
489
tcp udp nest-protocol nest-protocol
490
tcp udp micom-pfs micom-pfs
491
tcp udp go-login go-login
492
tcp udp ticf-1 Transport Independent Convergence for FNA
493
tcp udp ticf-2 Transport Independent Convergence for FNA
494
tcp udp pov-ray POV-Ray
495
tcp udp intecourier intecourier
496
tcp udp pim-rp-disc PIM-RP-DISC
497
tcp udp dantz dantz
498
tcp udp siam siam
499
tcp udp iso-ill ISO ILL Protocol
500
tcp udp isakmp internet Secuirty Association and Key management protocol
501
tcp udp stmf STMF
502
tcp udp asa-appl-proto asa-appl-proto

 

6550
tcp udp fg-sysupdate freegate.com
tcp udp intrinsa Intrinsa
504
tcp udp citadel citadel
505
tcp udp mailbox-lm mailbox-lm
506
tcp udp ohimsrv ohimsrv
507
tcp udp crs crs
508
tcp udp xvttp xvttp
509
tcp udp snare snare
510
tcp udp fcp FirstClass Protocol
511
tcp udp passgo PassGo
PORT
TRANSPORT KEYWORD DESCRIPTION
512
tcp print / exec BSD rexecd, Windows NT Server and Windows NT Workstation version 4.0 can send LPD client print jobs from any available reserved port between 512 and 1023. See also description for ports 721 to 73 1
Remote process execution; authentication performed using UNIX loppgin names
512
udp biff comsat
513
tcp login BSD rlogind
513
udp who BSD rwhod
514
tcp shell BSD rshd
514
udp syslog BSD syslogd
515
tcp udp printer Spooler. The print server LP1 service will listen on tcp port 515 for incoming connections
516
tcp udp videotex videotex
517
tcp udp talk Like tenex link, but across computers, BSD talkd
518
tcp udp ntalk talkd
519
tcp udp utime Unixtime
520
tcp efs Extended file name server
520
udp route Local routing process (on site); uses variant of Xerox NS routing information protocol;alias=router routed
521
tcp udp ripng ripng
522
tcp udp ulp User Location Service
523
tcp udp ibm-db2 IBM-DB2
524
tcp udp ncp NCP
525
tcp udp timed Timeserver
PORT
TRANSPORT KEYWORD DESCRIPTION
526
tcp udp tempo Newdate
527
tcp udp stx Stock IXChange
528
tcp udp custix Customer IXChange
529
tcp udp irc-serv IRC-SERV
530
tcp udp courier RPC
531
tcp conference Chat
531
udp rvd-control MIT disk
531
tcp irc IRC
532
tcp udp netnews Readnews
533
tcp udp netwall For emergency broadcasts
534
tcp udp mm-admin MegaMedia Admin
535
tcp udp iiop iiop
536
tcp udp opalis-rdv opalis-rdv
537
tcp udp nmsp Networked Media Streaming Protocol
538
tcp udp gdomap gdomap
539
tcp udp apertus-ldp Apertus Technologies Load Determination
540
tcp udp uucp Uucpd
541
tcp udp uucp-rlogin uucp-rlogin
542
tcp udp commerce commerce
543
tcp udp klogin kerberos (v4/v5)
544
tcp udp kshell kerberos (v4/v5), Krcmd; alias=cmd
545
tcp ekshal kerberos encryptd remote shell -kfall
545
udp appleqtsrvr Apple Quick Time Server
546
tcp udp dhcpv6-client DHCPv6 Client
547
tcp udp dhcpv6-server DHCPv6 Server
548
tcp udp afpovertcp AFP over TCP
549
tcp udp ifdp IDFP
550
tcp udp new-rwho New-who
551
tcp udp cybercash cybercash
552
tcp udp deviceshare deviceshare
553
tcp udp pirp pirp
554
tcp udp rtsp Real Time Stream Control Protocol
555
tcp udp dsf phAse Zero(Stealth Spy) Trojan (Win 9x, NT) as well as dsf
556
tcp udp remotefs Rfs server; alias=rfs_server rfs, Brunhoff remote filesystem
557
tcp udp openvms-sysipc openvms-sysipc
558
tcp udp sdnskmp SDNSKMP
559
tcp udp teedtap TEEDTAP
560
tcp udp rmonitor Rmonitord
561
tcp udp monitor  
562
tcp udp chshell Chcmd
563
tcp udp nntps nntp protocol over TLS/SSL (was snntp)
564
tcp udp 9pfs Plan 9 file service
565
tcp udp whoami Whoami
566
tcp udp streettalk streettalk
567
tcp udp banyan-rpc banyan-rpc
568
tcp udp ms-shuttle Microsoft Shuttle
569
tcp udp ms-rome Microsoft Rome
570
tcp udp meter Demon
571
tcp udp umeter Udemon
572
tcp udp sonar sonar
573
tcp udp banyan-vip banyan-vip
574
tcp udp ftp-agent FTP Software Agent System
575
tcp udp vemmi VEMMI
576
tcp udp ipcd ipcd
577
tcp udp vnas vnas
578
tcp udp ipdd ipdd
579
tcp udp decbsrv decbsrv
580
tcp udp sntp-heartbeat SNTP HEARTBEAT
581
tcp udp bdp Bundle Discovery Protocol
582
tcp udp scc-security SCC Security
583
tcp udp philips-vc Philips Video-Conferencing
584
tcp udp keyserver Key Server
585
tcp udp imap4-ssl IMAP4+SSL (Use of 585 is not recommended, use 993 instead)
586
tcp udp password-chg Password Change
587
tcp udp submission Submission
588
tcp udp cal CAL
589
tcp udp eyelink EyeLink
590
tcp udp tns-cml TNS CML
591
tcp udp http-alt Filemaker - HTTP Alternative
592
tcp udp eudora-set Eudora Set
593
tcp udp http-rpc-epmap HTTP RPC Ep Map
594
tcp udp tpip TPIP
595
tcp udp cab-protocol CAB Protocol
596
tcp udp smsd SMSD
597
tcp udp ptcnameservice PTC Name Service
598
tcp udp sco-websrvrmg3 SCO Web Server Manager 3
599
tcp udp acp Aeolon Core Protocol
600
tcp udp ipcserver Sun IPC server
606
tcp udp urm Cray Unified Resource Manager
607
tcp udp nqs Nqs
608
tcp udp sift-uft Sender-Initiated/Unsolicited File Transfer
609
tcp udp npmp-trap npmp-trap @microsoft.com
610
tcp udp npmp-local npmp-local @microsoft.com
611
tcp udp npmp-gui npmp-gui @microsoft.com
612
tcp udp hmmp-ind HMMP Indication @microsoft.com
613
tcp udp hmmp-op HMMP Operation@microsoft.com
614
tcp udp sshell SSLshell @quick.com.au
615
tcp udp sco-inetmgr Internet Configuration Manager
616
tcp udp sco-sysmgr SCO System Administration Server
617
tcp udp sco-dtmgr SCO Desktop Administration Server
618
tcp udp dei-icda DEI-ICDA @Quetico.tbaytel.net
619
tcp ydp digital-evm Digital EVM
620
tcp udp sco-websrvrmgr SCO WebServer Manager
621
tcp udp escp-ip ESCP @pobox.com
622
tcp udp collaborator Collaborator @opteamasoft.com
623
tcp udp aux_bus_shunt Aux Bus Shunt @ccm.jf.intel.com
624
tcp udp cryptoadmin Crypto Admin @cyberus.ca
625
tcp udp dec_dlm DEC DLM
626
tcp udp asia ASIA @apple.com
627
tcp udp passgo-tivioli CKS & TIVIOLI @ckshq.com
628
tcp udp qmqp Qmail Quick mail Queueing
629
tcp udp 3com-amp3 3Com AMP3
630
tcp udp rda RDA
631
tcp udp ipp IPP (Internet Printing Protocol)
632
tcp udp bmpp bmpp
633
tcp udp servstat Service Status update (Sterling Software)
634
tcp udp ginad ginad @eis.calstate.edu
635
tcp udp rlzdbase RLZ DBase @netcom.com
635
udp mount NFS mount Service
636
tcp udp ldaps ldap protocol over TLS/SSL (was sldap) @xcert.com
637
tcp udp lanserver lanserver @VNET.IBM.COM
638
tcp udp mcns-sec mcns-sec
639
tcp udp msdp MSDP
640
tcp udp entrust-sps entrust-sps
640
udp pcnfs PC-NFS DOS Authentication
641
tcp udp repcmd repcmd
642
tcp udp esro-emsdp ESPR-EMSDP V1.3
643
tcp udp sanity SANity
644
tcp udp dwr dwr
645
tcp udp pssc PSSC
646
tcp udp ldp LDP
647
tcp udp dhcp-failover DHCP Failover
648
tcp udp rrp Registry Registrar Protocol (RRP)
649
tcp udp aminet Aminet
650
tcp udp obex OBEX
650
udp bwnfs BW-NFS DOS Authentication
651
tcp udp ieee-mms IEEE MMS
652
tcp udp udlr-dtcp UDLR_DTCP
653
tcp udp repscmd RepCmd
654
tcp udp aodv AODV
655
tcp udp tinc TINC
656
tcp udp spmp SPMP
657
tcp udp rmc RMC
658
tcp udp tenfold TenFold
659
tcp udp url-rendezous URL Rendezous
660
tcp udp mac-srvr-admin MacOS Server Admin
661
tcp udp hap HAP
662
tcp udp pftp PFTP
663
tcp udp purenoise PureNoise
664
tcp udp secure-aux-bus Secure Aux Bus
665
tcp udp sun-dr Sun DR
666
tcp udp mdqs  
666
tcp udp ftpattack FTP Attack Trojan
666
tcp udp satanz Satanz Backdoor Trojan
666
tcp udp doom Doom Id Software
667
tcp udp disclose campaign contribution disclosures-SDR Technologies @lambda.com
668
tcp udp mecomm MeComm @esd1.esd.de
669
tcp udp meregister MeRegister
670
tcp udp vacdsm-sws VACDSM-SWS
671
tcp udp vacdsm-app VACDSM-APP
672
tcp udp vpps-qua VPPS-QUA
673
tcp udp cimplex CIMPLEX @cesi.com
674
tcp udp acap ACAP @innosoft.com
675
tcp udp dctp DCTP @ansa.co.uk
676
tcp udp vpps-via VPPS Via @cesi.com
677
tcp udp vpp Virtual Presense Protocol
678
tcp udp ggf-ncp GNU Gereration Foundation NCP
679
tcp udp mrm MRM
680
tcp udp entrust-aaas entrust-aas
681
tcp udp entrust-aams entrust-aams
682
tcp udp xfr XFR
683
tcp udp corba-iiop COBRA IIOP
684
tcp udp corbra-iiop-ssl COBRA IIOP SSL
685
tcp udp mdc-portmapper MDC Port Mapper
686
tcp udp hcp-wismar Hardware Control Protocol Wismar
687
tcp udp asipregistry AppleShare IP Registry
688
tcp udp realm-rusd REALM-RUSD
689
tcp udp nmap NMAP
690
tcp udp vatp VATP
691
tcp udp msexch-routing MS Exchange Routing
692
tcp udp hyperwave-isp Hyperwave-ISP
693
tcp udp connendp connendp
694
tcp udp ha-cluster ha-cluster
695
tcp udp ieee-mms-ssl IEEE-MMS-SSL
696
tcp udp rushd RUSHD
700
tcp udp bphone BuddyPhone Internet telephony as well as the TCP range 5000-5111
704
tcp udp elcsd Errlog copy/server daemon
705
tcp udp agentx AgentX for SNMP @acec.com
706
    Unassigned
707
tcp udp borland-dsj Borland DSJ
708
    Unassigned
709
tcp udp entrust-kmsh Entrust Key Management Service Handler, Nortel DES auth network see 389/tcp
710
tcp udp entrust-ash Entrust Administration Service Handler @entrust.com
711
tcp udp cisco-tdp Cisco TDP
712-728
    Unassigned
729
tcp udp netviewdm1 IBM NetView DM/6000 Server/Client
730
tcp udp netviewdm2 IBM NetView DM/6000 send/tcp
731
tcp udp netviewdm3 IBM NetView DM/6000 receive/tcp
PORT
TRANSPORT KEYWORD DESCRIPTION
740
tcp udp netcp (old) NETscout Control Protocol (old)
741
tcp udp netgw NetGW
742
tcp udp netrcs Network based Rev. Cont. Sys.
744
tcp udp flexlm Flexible License Manager
747
tcp udp fujitsu-dev Fujitsu Device Control
748
tcp udp ris-cm Russell Info Sci Calendar Manager
749
tcp udp kerberos-adm Kerberos admin/changepw (v5)
750
udp kerberos-iv Kerberos authentication (v4); alias=kdc
750
tcp udp rfile rfile
750
udp loadav  
751
tcp udp kerberos-master Kerberos "kadmin" (v4)
751
tcp udp pump pump
752
tcp udp qrh Kerberos password server
753
tcp udp rrh Kerberos userreg server
754
tcp krb_prop Kerberos/v5 server propagation
754
tcp udp tell Send
758
tcp udp nlogin  
759
tcp udp con  
760
udp ns  
760
tcp krbupdate kreg, kerberos/4 registration
761
udp rxe  
761
tcp kpasswd kpwd, Kerberos/4 password
762
tcp udp quotad  
763
tcp udp cycleserv  
764
tcp udp omserv  
765
tcp udp webster  
767
tcp udp phonebook Phone
769
tcp udp vid  
770
tcp udp cadlock  
771
tcp udp rtip  
772
tcp udp cycleserv2  
773
tcp submit  
773
udp notify  
774
tcp rpasswd  
774
udp acmaint_dbd  
775
tcp entomb  
775
udp acmaint_transd  
PORT
TRANSPORT KEYWORD DESCRIPTION
776
tcp udp wpages  
777
tcp udp multiling-http Muiltiling HTTP
778-779
    Unassigned
780
tcp udp wpgs  
781
tcp udp hp-collector HP performance data collector
782
tcp udp hp-managed- node HP performance data managed node
783
tcp udp hp-alarm-mgr HP performance data alarm manager
786
tcp udp concert concert
787
tcp udp qsc QSC
788-799
    Unassigned
799
tcp controlit  
800
tcp udp mdbs_daemon  
801
tcp udp device  
802-809
    Unassigned
810
tcp udp fcp-udp FCP Datagram
811-827
    Unassigned
828
tcp udp itm-mcell-s itm-mcell-s
829
tcp udp pkix-3-ca-ra PKIX-3 CA/RA
830-870
    Unassigned
871
tcp supfilesrv SUP server
872
    Unassigned
873
tcp udp rsync rsync
874-885
    Unassigned
886
tcp udp iclcnet-locate ICL coNETion locate service
887
tcp udp iclcnet_svinfo ICL coNETion server info
888
tcp udp accessbuilder AccessBuilder @3com.com
888
tcp cddbp CD Database Protocol @moonsoft.com
888
tcp erlogin Logon and environment passing
889-899
    Unassigned
900
tcp udp omginitialrefs OMG Initial Refs @eng.sun.com
901
tcp udp smpnameres SMPNAMERES, Samba Swat, IIS RealSecure
902
tcp udp ideafarm-chat IDEAFARM-CHAT
903
tcp udp ideafarm-catch IDEAFARM-CATCH
904-910
    Unassigned
911
tcp udp xact-backup xact-backup @xactlabs.com
912-988
    Unassigned
989
tcp udp ftps-data FTP protocol, data, over TLS/SSL @consensus.com
990
tcp udp ftps FTP protocol, control, over TLS/SSL @consensus.com
991
tcp udp nas Netnews Administration System @fu-berlin.de
992
tcp udp telnets Telnet protocol over TLS/SSL @consensus.com
993
tcp udp imaps Imap4 protocol over TLS/SSL @consensus.com
994
tcp udp ircs irc protocol over TLS/SSL @consensus.com
995
tcp udp pop3s pop3 protocol over TLS/SSL (was spop3) @microsoft.com
996
tcp udp vsinet vsinet
996
tcp udp xtreelic XTREE License Server
997
tcp udp maitrd  
998
tcp busboy  
998
udp puparp  
999
tcp garcon  
999
udp applix ac Applix ac
999
tcp udp puprouter  
1000
tcp cadlock  
1000
udp ock  
1000-1007
    Unassigned
1001
tcp udp silenser Silencer Trojan
1001
tcp udp WebEx WebEx Trojan
1008
tcp udp ufsd UFS-aware server
1010
tcp udp surf surf
1011
tcp udp doly Doly Trojan
1012
udp sometimes-rpcl This is rstatd on a openBSD box
1022-1023
tcp udp   Reserved

 

The following registered ports are not controlled by the IANA and on most systems can be used by user processes or programs. Registered ports between 1024 and 5000 are also referred to as the ephemeral ports. To the extent possible, these same port assignments are used with udp,. The registered ports are in the range 1024-65535.

Although the IANA cannot control uses of these ports, it does register or list uses of these ports as a convenience to the TCP/IP community.

The Registered Ports are in the range 1024-49151.

This list specifies the port used by the Windows NT Server and Windows NT Workstation server process as its contact port for services and third-party software.

Note Programs that use Remote Procedure Call (RPC) to communicate can randomly select a registered port above 1024.

`
PORT
TRANSPORT KEYWORD DESCRIPTION
1024
    Reserved
1025
tcp listen listener RFS remote_file_sharing
1025
udp blackjack Network blackjack
1026
tcp nterm remote_login network_terminal
1030
tcp udp iad1 BBN IAD @timeplex.com
1031
tcp udp iad2 BBN IAD @timeplex.com
1032
tcp udp iad3 BBN IAD @timeplex.com
1033
tcp udp Netspy Netspy Trojan
1047
tcp udp neod1 Sun's NEO Object Request Broker
1048
tcp udp neod2 Sun's NEO Object Request Broker
1049
tcp udp td-postman Tobit David Management Agent
1050
tcp udp cma COBRA management Agent
1051
tcp optima-vnet Opima VNET
1052
tcp udp ddt Dynamic DNS Tools
1053
tcp udp remote-as Remote Assistant (RA)
1054