Example Filter; Figure 389 Telnet Filter Example - ZyXEL Communications ZyWall 5 Series User Manual

ZyWALL 5/35/70 Series User's Guide
Table 239 Generic Filter Rule Menu Fields
FIELD
More
Log
Action
Matched
Action Not
Matched
Once you have completed filling in Menu 21.1.1.1 - 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.

44.3 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.

Figure 389 Telnet Filter Example

1 Enter 21 from the main menu to open Menu 21 - Filter and Firewall Setup.
2 Enter 1 to open Menu 21.1 - Filter Set Configuration.
3 Enter the index of the filter set you wish to configure (say 3) and press [ENTER]
4 Enter a descriptive name or comment in the Edit Comments field and press [ENTER].
5 Press [ENTER] at the message [Press ENTER to confirm] to open Menu 21.1.3 - Filter
Rules Summary.
642
DESCRIPTION
If Yes, a matching packet is passed to the next filter rule before an action is taken; else the
packet is disposed of according to the action fields.
If More is Yes, then Action Matched and Action Not Matched will be No.
Select the logging option from the following:
None - No packets will be logged.
Action Matched - Only packets that match the rule parameters will be logged.
Action Not Matched - Only packets that do not match the rule parameters will be logged.
Both – All packets will be logged.
Select the action for a packet matching the rule.
Options are Check Next Rule, Forward and Drop.
Select the action for a packet not matching the rule.
Options are Check Next Rule, Forward and Drop.
.
Chapter 44 Filter Configuration