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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 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

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 backdoor (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

tc