Predefined Services; Figure 89 My Service Example Rule Summary; Table 64 Predefined Services - ZyXEL Communications ZyAIR G-2000 Plus User Manual

Figure 89 My Service Example Rule Summary

Rule 1: Allows a My Service connection from the WAN to IP addresses 10.0.0.10 through
10.0.0.15 on the LAN.
15.8

Predefined Services

The Available Services list box in the Edit Rule screen (
services that the ZyAIR already supports. Next to the name of the service, two fields appear in
brackets. The first field indicates the IP protocol type (TCP, UDP, or ICMP). The second field
indicates the IP port number that defines the service. (Note that there may be more than one IP
protocol type. For example, look at the default configuration labeled (DNS).
means UDP port 53 and TCP port 53. Custom services may also be configured using the
Custom Services function discussed previously.

Table 64 Predefined Services

SERVICE
AIM/New-ICQ(TCP:5190)
AUTH(TCP:113)
BGP(TCP:179)
BOOTP_CLIENT(UDP:68)
BOOTP_SERVER(UDP:67)
CU-SEEME (TCP/UDP:7648,
24032)
DNS(UDP/TCP:53)
FINGER(TCP:79)
Chapter 15 Firewall Screens
DESCRIPTION
AOL's Internet Messenger service, 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 (e.g.
www.zyxel.com) to IP numbers.
Finger is a UNIX or Internet related command that can be used to find
out if a user is logged on.
ZyAIR G-2000 Plus User's Guide
Figure 83 ) displays all predefined
(UDP/TCP:53)
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