ZyXEL GS2200-8 User Guide - Page 317

Common Services

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APPENDIX B Common Services The following table lists some commonly-used services and their associated protocols and port numbers. For a comprehensive list of port numbers, ICMP type/code numbers and services, visit the IANA (Internet Assigned Number Authority) web site. • 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. Please refer to RFC 1700 for further information about port numbers. • 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. Table 132 Commonly Used Services NAME PROTOCOL AH (IPSEC_TUNNEL) User-Defined AIM/New-ICQ TCP AUTH BGP BOOTP_CLIENT BOOTP_SERVER CU-SEEME DNS TCP TCP UDP UDP TCP UDP TCP/UDP ESP (IPSEC_TUNNEL) FINGER FTP H.323 HTTP User-Defined TCP TCP TCP TCP TCP PORT(S) 51 5190 113 179 68 67 7648 24032 53 50 79 20 21 1720 80 DESCRIPTION The IPSEC AH (Authentication Header) tunneling protocol uses this service. AOL's Internet Messenger service. It is also used as a listening port by ICQ. Authentication protocol used by some servers. Border Gateway Protocol. DHCP Client. DHCP Server. A popular videoconferencing solution from White Pines Software. Domain Name Server, a service that matches web names (for example www.zyxel.com) to IP numbers. The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol uses this service. Finger is a UNIX or Internet related command that can be used to find out if a user is logged on. File Transfer Program, a program to enable fast transfer of files, including large files that may not be possible by e-mail. NetMeeting uses this protocol. Hyper Text Transfer Protocol - a client/server protocol for the world wide web. GS2200-8/24 User's Guide 317

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GS2200-8/24 User’s Guide
317
A
PPENDIX
B
Common Services
The following table lists some commonly-used services and their associated protocols and port
numbers. For a comprehensive list of port numbers, ICMP type/code numbers and services, visit
the IANA (Internet Assigned Number Authority) web site.
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
. Please refer to RFC 1700 for further information
about port numbers.
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.
Table 132
Commonly Used Services
NAME
PROTOCOL
PORT(S)
DESCRIPTION
AH (IPSEC_TUNNEL)
User-Defined
51
The IPSEC AH (Authentication Header) tunneling
protocol uses this service.
AIM/New-ICQ
TCP
5190
AOL’s Internet Messenger service. It is also used as
a listening port by ICQ.
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
24032
A popular videoconferencing solution from White
Pines Software.
DNS
TCP/UDP
53
Domain Name Server, a service that matches web
names (for example
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.
FTP
TCP
TCP
20
21
File Transfer Program, a program to enable fast
transfer of files, including large files that may not be
possible by e-mail.
H.323
TCP
1720
NetMeeting uses this protocol.
HTTP
TCP
80
Hyper Text Transfer Protocol - a client/server
protocol for the world wide web.