List of frequently seen TCP and UDP ports and what they mean. The goal of this port table is to point to further resources for more information.


0

1

tcpmux

3

4

5

rje

7

echo

9

discard

11

systat

13

daytime

15

netstat

17

qotd

18

send/rwp

19

chargen

20

ftp-data

21

ftp

22

ssh, pcAnywhere

23

Telnet

25

SMTP

27

ETRN

29

msg-icp

31

msg-auth

33

dsp

37

time

38

RAP

39

rlp

40

41

42

nameserv, WINS

43

whois, nickname

49

TACACS, Login Host Protocol

50

RMCP, re-mail-ck

53

DNS

57

MTP

59

NFILE

63

whois++

66

sql*net

67

bootps

68

bootpd/dhcp

69

Trivial File Transfer Protocol (tftp)

70

Gopher

79

finger

80

www-http

87

88

Kerberos, WWW

95

supdup

96

DIXIE

98

linuxconf

101

HOSTNAME

102

ISO, X.400, ITOT

105

cso

106

poppassd

109

POP2

110

POP3

111

Sun RPC Portmapper

113

identd/auth

115

sftp

116

117

uucp

118

119

NNTP

120

CFDP

123

NTP

124

SecureID

129

PWDGEN

133

statsrv

135

loc-srv/epmap

137

netbios-ns

138

netbios-dgm (UDP)

139

NetBIOS

143

IMAP

144

NewS

150

152

BFTP

153

SGMP

156

161

SNMP

175

vmnet

177

XDMCP

178

NextStep Window Server

179

BGP

180

SLmail admin

199

smux

210

Z39.50

213

218

MPP

220

IMAP3

256

257

258

259

ESRO

264

FW1_topo

311

Apple WebAdmin

350

MATIP type A

351

MATIP type B

360

363

RSVP tunnel

366

ODMR (On-Demand Mail Relay)

371

387

AURP (AppleTalk Update-Based Routing Protocol)

389

LDAP

407

Timbuktu

427

434

Mobile IP

443

ssl

444

snpp, Simple Network Paging Protocol

445

SMB

458

QuickTime TV/Conferencing

468

Photuris

475

500

ISAKMP, pluto

511

512

biff, rexec

513

who, rlogin

514

syslog, rsh

515

lp, lpr, line printer

517

talk

520

RIP (Routing Information Protocol)

521

RIPng

522

ULS

531

IRC

543

KLogin, AppleShare over IP

545

QuickTime

548

AFP

554

Real Time Streaming Protocol

555

phAse Zero

563

NNTP over SSL

575

VEMMI

581

Bundle Discovery Protocol

593

MS-RPC

608

SIFT/UFT

626

Apple ASIA

631

IPP (Internet Printing Protocol)

635

mountd

636

sldap

642

EMSD

648

RRP (NSI Registry Registrar Protocol)

655

tinc

660

Apple MacOS Server Admin

666

Doom

674

ACAP

687

AppleShare IP Registry

700

buddyphone

705

AgentX for SNMP

901

swat, realsecure

993

s-imap

995

s-pop

999

1024

1025

1050

1062

Veracity

1080

SOCKS

1085

WebObjects

1100

1105

1114

1227

DNS2Go

1234

1243

SubSeven

1338

Millennium Worm

1352

Lotus Notes

1381

Apple Network License Manager

1417

Timbuktu

1418

Timbuktu

1419

Timbuktu

1420

1433

Microsoft SQL Server

1434

Microsoft SQL Monitor

1477

1478

1490

1494

Citrix ICA, MS Terminal Server

1498

1500

1503

T.120

1521

Oracle SQL

1522

1524

1525

prospero

1526

prospero

1527

tlisrv

1529

1547

1604

Citrix ICA, MS Terminal Server

1645

RADIUS Authentication

1646

RADIUS Accounting

1680

Carbon Copy

1701

L2TP/LSF

1717

Convoy

1720

H.323/Q.931

1723

PPTP control port

1731

1755

Windows Media .asf

1758

TFTP multicast

1761

1762

1808

1812

RADIUS server

1813

RADIUS accounting

1818

ETFTP

1968

1973

DLSw DCAP/DRAP

1975

1978

1979

1985

HSRP

1999

Cisco AUTH

2000

2001

glimpse

2005

2010

2023

2048

2049

NFS

2064

distributed.net

2065

DLSw

2066

DLSw

2080

2106

MZAP

2140

DeepThroat

2301

Compaq Insight Management Web Agents

2327

Netscape Conference

2336

Apple UG Control

2345

2427

MGCP gateway

2504

WLBS

2535

MADCAP

2543

sip

2565

2592

netrek

2727

MGCP call agent

2766

2628

DICT

2998

ISS Real Secure Console Service Port

3000

Firstclass

3001

3031

Apple AgentVU

3052

3128

squid

3130

ICP

3150

DeepThroat

3264

ccmail

3283

Apple NetAssitant

3288

COPS

3305

ODETTE

3306

mySQL

3352

3389

NT Terminal Server

3520

3521

netrek

3879

4000

icq, command-n-conquer

4045

4144

4242

4321

rwhois

4333

mSQL

4444

47017

4827

HTCP

5000

5001

5002

5004

RTP

5005

RTP

5010

Yahoo! Messenger

5050

5060

SIP

5135

5150

5190

AIM

5222

5353

5400

5500

securid

5501

securidprop

5300

5423

Apple VirtualUser

5555

5556

5631

PCAnywhere data

5632

PCAnywhere

5678

5800

VNC

5801

VNC

5900

VNC

5901

VNC

5843

6000

X Windows

6112

BattleNet

6050

6499

6500

6502

Netscape Conference

6547

6548

6549

6666

6667

IRC

6670

VocalTec Internet Phone, DeepThroat

6699

napster

6776

Sub7

6968

6969

6970

RTP

6971

7000

7007

MSBD, Windows Media encoder

7070

RealServer/QuickTime

7161

7323

7777

7778

Unreal

7640

7648

CU-SeeMe

7649

CU-SeeMe

7654

8000

8002

8010

WinGate 2.1

8080

HTTP

8100

8181

HTTP

8383

IMail WWW

8765

8875

napster

8888

napster

8890

9000

9090

9200

9704

9669

9876

9989

10008

cheese worm

10752

12345

11371

PGP 5 Keyserver

12346

13000

13223

PowWow

13224

PowWow

14000

14237

Palm

14238

Palm

14690

16969

18888

LiquidAudio

21157

Activision

22555

22703

22793

23213

PowWow

23214

PowWow

23456

EvilFTP

26000

Quake

27000

27001

QuakeWorld

27010

Half-Life

27015

Half-Life

27374

27444

27665

27910

27960

QuakeIII

28000

28001

28002

28003

28004

28005

28006

28007

28008

30029

AOL Admin

30100

30101

30102

30103

30303

30464

31335

31337

Back Orifice

32000

32771

32777

rpc.walld

34555

40193

Novell

41524

arcserve discovery

45000

Cisco NetRanger postofficed

50505

52901

54321

61000

65301

Multicast

hidden

ICMP Type

hidden

9998

32773

rpc.ttdbserverd

32776

rpc.spray

32779

rpc.cmsd

38036

timestep


This page was last updated on Friday December 16, 2005