Appendix E Services

E

Services

The following table lists some commonly-used services and their associated protocols and port numbers.

Name: This is a short, descriptive name for the service. You can use this one or create a different one, if you like.

Protocol: This is the type of IP protocol used by the service. If this is TCP/ UDP, then the service uses the same port number with TCP and UDP. If this is User-Defined, the Port(s) is the IP protocol number, not the port number.

Port(s): This value depends on the Protocol.

If the Protocol is TCP, UDP, or TCP/UDP, this is the IP port number.

If the Protocol is USER, this is the IP protocol number.

Description: This is a brief explanation of the applications that use this service or the situations in which this service is used.

Examples of Services

NAME

PROTOCOL

PORT(S)

DESCRIPTION

AH

User-Defined

51

The IPSEC AH (Authentication Header)

(IPSEC_TUNNEL)

 

 

tunneling protocol uses this service.

 

 

 

 

 

 

 

AIM

TCP

5190

AOL’s Internet Messenger service.

 

 

 

 

AUTH

TCP

113

Authentication protocol used by some

 

 

 

servers.

 

 

 

 

BGP

TCP

179

Border Gateway Protocol.

 

 

 

 

BOOTP_CLIENT

UDP

68

DHCP Client.

 

 

 

 

BOOTP_SERVER

UDP

67

DHCP Server.

 

 

 

 

CU-SEEME

TCP/UDP

7648

A popular videoconferencing solution

 

TCP/UDP

24032

from White Pines Software.

 

 

 

 

 

 

DNS

TCP/UDP

53

Domain Name Server, a service that

 

 

 

matches web names (e.g.

 

 

 

www.zyxel.com) to IP numbers.

 

 

 

 

ESP

User-Defined

50

The IPSEC ESP (Encapsulation

(IPSEC_TUNNEL)

 

 

Security Protocol) tunneling protocol

 

 

uses this service.

 

 

 

 

 

 

 

FINGER

TCP

79

Finger is a UNIX or Internet related

 

 

 

command that can be used to find out if

 

 

 

a user is logged on.

 

 

 

 

154

FSG1100HN User’s Guide

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ZyXEL Communications wireless active fiber router manual 154, Examples of Services

wireless active fiber router specifications

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