ZyXEL Communications Prestige 643 - Manual (Page 109)

Prestige 643 ADSL Router
Filter Configuration 8-9
Factory default filter rules have been configured in Menu 21 to filter traffic. Depending on the type of rule,
the parameters below the type will be different. Use the [SPACE BAR] to select the type of rule that you
wish to create in the Filter Type field and press [ENTER] to open the respective menu.
To speed up filtering, all rules in a filter set must be of the same class, i.e., protocol filters or generic filters.
The class of a filter set is determined by the first rule that you create. When applying the filter sets to a
port, separate menu fields are provided for protocol and device filter sets. If you include a protocol filter set
in a device filters field or vice versa, the Prestige will warn you and will not allow you to save.
8.2.3 TCP/IP Filter Rule
This section shows you how to configure a TCP/IP filter rule. TCP/IP rules allow you to base the rule on
the fields in the IP and the upper layer protocol, e.g., UDP and TCP, headers.
To configure a TCP/IP rules, select TCP/IP Filter Rule from the Filter Type field and press [ENTER] to
open Menu 21.1.1 - TCP/IP Filter Rule, as shown next:
Figure 8-9 Menu 21.1.1 - TCP/IP Filter Rule
The following table describes how to configure your TCP/IP filter rule.
Table 8-5 TCP/IP Filter Rule Menu Fields
Menu 21.1.1 - TCP/IP Filter Rule
Filter #: 1,1
Filter Type= TCP/IP Filter Rule
Active= Yes
IP Protocol= 6 IP Source Route= No
Destination: IP Addr= 0.0.0.0
IP Mask= 0.0.0.0
Port #= 137
Port # Comp= Equal
Source: IP Addr= 0.0.0.0
IP Mask= 0.0.0.0
Port #=
Port # Comp= None
TCP Estab= No
More= No Log= None
Action Matched= Drop
Action Not Matched= Check Next Rule
Press ENTER to Confirm or ESC to Cancel:
Press Space Bar to Toggle.