Appendix c – ip protocol and port numbers, Speedtouch 210i, Ip protocol numbers – Technicolor - Thomson 210i User Manual

Page 75: Ip port numbers

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SpeedTouch 210i

71

Appendix C – IP Protocol and Port
Numbers

Common Internet service protocols and IP port numbers.

IP Protocol Numbers

Protocol #

Protocol Name

Description

1

ICMP

Internet Control Message [RFC792]

2

IGMP

Internet Group Management [RFC1112]

6

TCP

Transmission Control [RFC793]

8

EGP

Exterior Gateway Protocol [RFC888,DLM1]

9

IGP

any private interior gateway [IANA]
(used by Cisco for their IGRP)

17

UDP

User Datagram [RFC768,JBP ]

46

RSVP

Reservation Protocol [Bob Braden]

88

EIGRP

EIGRP [CISCO,GXS]

115

L2TP

Layer Two Tunneling Protocol [Aboba]

IP Port Numbers

Service

TCP

UD

P

Notes

FTP

21

File Transfer

Telnet

23

SMTP

25

Simple Mail Transfer

DNS

53

53

Domain Name Server

Finger

79

WWWHTTP

80

World Wide Web HTTP

POP3

110

Post Office Protocol – Version 3

137

137

NetBios Name Service

138

138

NetBios Datagram Service

139

139

NetBios Session Service

SNMP

161

SNMP Trap

162

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