TCP/UDP Port Numbers

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 ,9000+

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

PORT

 PROTOCOL KEYWORD DESCRIPTION

0

 tcp, udp Reserved

1

 tcp, udp tcpmux TCP Port Service Multiplexer

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, udp 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, udp ftp-data File Transfer [Default Data]

21

 tcp, udp ftp File Transfer [Control], connection dialog

22

 tcp, udp ssh Secure Shell Login

23

 tcp, udp telnet Telnet

24

 tcp, udp Any private mail system

25

 tcp, udp smtp Simple Mail Transfer; alias=mail

PORT

 PROTOCOL KEYWORD DESCRIPTION

26

 tcp udp Unassigned

27

 tcp udp nsw-fe NSW User System FE

28

 tcp udp Unassigned

29

 tcp udp msg-icp MSG ICP

30

 tcp udp Unassigned

31

 tcp udp msg-auth MSG Authentication

32

 tcp udp Unassigned

33

 tcp udp dsp Display Support Protocol

34

 tcp udp Unassigned

35

 tcp udp Any private printer server

36

 tcp udp Unassigned

37

 tcp udp time Time; alias=timeserver

38

 tcp udp rap Rote Access Protocol

39

 tcp udp rlp Resource Location Protocol; alias=resource

40

 tcp udp Unassigned

41

 tcp udp graphics Graphics

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 login Login Host Protocol (TACACS)

50

 tcp udp re-mail-ck Remote Mail Checking Protocol

PORT

PROTOCOL KEYWORD DESCRIPTION

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 mtp Any private terminal access

58

 tcp udp xns-mail XNS Mail

59

 tcp udp 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 Any private dial out service

PORT

 PROTOCOL KEYWORD DESCRIPTION

76

 tcp udp deos Distributed External Object Store

77

 tcp udp netrjs 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 udp supdup SUPDUP

96

 tcp udp dixie DIXIE Protocol Specification

97

 tcp udp swift-rvf Swift Remote Virtual File Protocol

98

 tcp udp tacnews TAC News

99

 tcp udp metagram Metagram Relay

100

 tcp newacct [unauthorized use]

PORT

 PROTOCOL 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; 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 Authentication Service; alias=authentication

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

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

 PROTOCOL 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

PROTOCOL 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 SNMPTRAP

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

PORT

 PROTOCOL KEYWORD DESCRIPTION

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 SMUX

200

 tcp udp src IBM System Resource Controller

PORT

 PROTOCOL KEYWORD DESCRIPTION

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

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

 Reserved

PORT

 PROTOCOL 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 &nbsq 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 netfusion Net Fusion

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 &nbsq Unassigned

344

 tcp udp pdap Propero Data Access Protocol

345

 tcp udp pawserv Perf 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
# The following entries record unassigned but widespread used ports

# 351

tcp bhoetty bhoetty (added 21/5/97)

# 351

udp bhoetty bhoetty

352

 tcp udp dtag-ste-sb DTAG
# The following entries record unassigned but widespread used ports

# 352

tcp udp bhoedap4 bhoedap4 ( added 21/05/97)

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 DTK

366

 tcp udp odmr ODMR

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

374

 tcp udp legent-2 Legent Corporation

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 Nuleic 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 NNSP

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 DDM-SSL

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

457

tcp udp scohelp scohelp

458

tcp udp appleqtc Apple Quick Time

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 ph Ph service

482

tcp udp bgs-nsi bgs-nsi

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 avian 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 isakmp

501

tcp udp stmf STMF

502

tcp udp asa-appl-proto asa-appl-proto

503

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

 PROTOCOL KEYWORD DESCRIPTION

512

 tcp print / exec 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 Used by mail system to notify users of new mail received; currently receives messages only from processes on the same computer; alias=comsat

513

 tcp login Remote logon like telnet; automatic authentication performed, based on privileged port numbers and distributed databases that identify "authentication domains"

513

 udp who Maintains databases showing who's logged on to the computers on a local net and the load average of the computer; alias=whod

514

 tcp cmd Like exec, but automatic authentication is performed as for logon server

514

 udp syslog

515

 tcp udp printer Spooler; alias=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; unfortunately, doesn't use link protocol (this is actually just a rendezvous port from which a TCP connection is established)

518

 tcp udp ntalk

519

 tcp udp utime Unixtime

520

 tcp efs Extended file name server

520

 udp router 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

PROTOCOL 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

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 udp appleqtsrvr Apple Quick Time Server

546

 tcp udp dhcpv6-client DHCPv6 Client

547

 tcp udp dhcpv6-server DHCPv6 Server

548

 tcp udp afpowertcp 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

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 fmpro-http FMPRO4 - HTTP

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 QMQP

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

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

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

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 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 asipregistry

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

697-703

 Unassigned

704

 tcp udp elcsd Errlog copy server daemon

705

 tcp udp agentx AgentX @acec.com

706

 Unassigned

707

 tcp udp borland-dsj Borland DSJ

708

 Unassigned

709

 tcp udp entrust-kmsh Entrust Key Management Service Handler @entrust.com

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

PROTOCOL 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 adminstration (v5)

750

 tcp, udp kerberos-iv Kerberos authentication (v5); alias=kdc

750

 tcp 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

PROTOCOL 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

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

1008

 tcp udp ufsd UFS-aware server

1010

 tcp udp surf surf

1012

 udp sometimes-rpcl This is rstatd on a openBSD box

1022-1023

 tcp udp Reserved

 

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 ,9000+

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