ZyXEL FSG1100HN User Guide - Page 154

Services, Examples of Services

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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 (IPSEC_TUNNEL) The IPSEC AH (Authentication Header) 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 TCP/UDP 7648 24032 A popular videoconferencing solution 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 (IPSEC_TUNNEL) The IPSEC ESP (Encapsulation 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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Appendix E Services
FSG1100HN User’s Guide
154
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
(IPSEC_TUNNEL)
User-Defined
51
The IPSEC AH (Authentication Header)
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
TCP/UDP
7648
24032
A popular videoconferencing solution
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
(IPSEC_TUNNEL)
User-Defined
50
The IPSEC ESP (Encapsulation
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.