Example Filter; Figure 32-8 Telnet Filter Example - ZyXEL Communications ZyWALL 5 User Manual

FIELD
Action Not Select the action for a packet not matching the rule.
Matched
Once you have completed filling in Menu 21.4.1.1 - Generic Filter Rule, press [ENTER] at the message "Press
ENTER to Confirm" to save your configuration, or press [ESC] to cancel. This data will now be displayed on
Menu 21.1.1 - Filter Rules Summary.

32.3 Example Filter

Let's look at an example to block outside users from accessing the ZyWALL via telnet. Please see our
included disk for more example filters.
Enter 21 from the main menu to open Menu 21 - Filter and Firewall Setup.
1.
Enter 1 to open Menu 21.1 - Filter Set Configuration.
2.
Enter the index of the filter set you wish to configure (say 3) and press [ENTER]
3.
Enter a descriptive name or comment in the Edit Comments field and press [ENTER].
4.
Press [ENTER] at the message [Press ENTER to confirm] to open Menu 21.1.3 - Filter Rules
5.
Summary.
Enter 1 to configure the first filter rule (the only filter rule of this set). Make the entries in this
6.
menu as shown in the following figure.
Filter Configuration
Table 32-4 Generic Filter Rule Menu Fields
DESCRIPTION

Figure 32-8 Telnet Filter Example

ZyWALL 5 Internet Security Appliance
Check Next Rule
.
OPTIONS
Forward
Drop
32-9