Ppendix, C – ip p, Rotocol and – D-Link DI-304M User Manual
Page 98: Umbers, Ip protocol numbers, Ip port numbers, Appendix c – ip protocol and port numbers
DI-304/DI-304M ISDN Remote Router
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
UDP
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
90