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Appendix c. common tcp/udp port assignments – Allied Telesis OmniConnect ISDN User Manual

Page 90

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OmniConnect / ISDN

User’s Manual

Page 84

Part number 613-10787-00

Appendix C.

Common TCP/UDP

port assignments

This appendix provides a list of currently assigned TCP port numbers. To the extent possible,
UDP utilizes the same port numbers as TCP. For a definitive reference see RFC 1771.

Port Number

Protocol

Description

0

-

Reserved.

1-4

-

Unassigned

5

RJE

Remote Job Entry

7

ECHO

Echo

11

USERS

Active Users

15

NETSTAT

Who is up or NETSTAT queries

17

QUOTE

Quote of the Day

19

CHARGEN

Character Generator

20

FTP-DATA

File Transfer Protocol – Data Traffic

21

FTP

File Transfer Protocol – Control Traffic

23

TELNET

Terminal Connection Sessions

25

SMTP

Simple Mail Transport Protocol

37

TIME

Time

42

NAMESERVER

Host Name Server

43

NICNAME

Who is

49

LOGIN

Login Host Protocol

53

DOMAIN

Domain Name Service

67

BOOTPS

Bootstrap Protocol Server

68

BOOTPC

Bootstrap Protocol Client

69

TFTP

Trivial File Transfer Protocol

75

-

Any private dial-out service

79

FINGER

Finger

80

HTTP

HyperText Transfer Protocol – WWW

101

HOSTNAME

NIC Host Name Server

103

X400

X400

104

X400-SND

X400-SND

111

SUNRPC

Sun Remote Procedure Call