Example filter, 3 example filter – ZyXEL Communications Internet Security Gateway ZyWALL 100 User Manual

Page 208

ZyWALL 100 Internet Security Gateway

Filter Configuration

19-13

19.3 Example Filter

Let’s look at an example to block outside users from telnetting into the ZyWALL. Please see our included
disk for more example filters.

Figure 19-9 Telnet Filter Example

Step 1. Enter 21 from the main menu to open Menu 21 - Filter and Firewall Setup.

Step 2. Enter 1 to open Menu 21.1 - Filter Set Configuration.

Step 3. Enter the index of the filter set you wish to configure (say 3) and press [ENTER]

Step 4. Enter a descriptive name or comment in the Edit Comments field and press [ENTER].

Step 5. Press [ENTER] at the message [Press ENTER to confirm] to open Menu 21.1.3 - Filter Rules

Summary.