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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
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