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ZyWALL 10 Internet Security Gateway
Filters 7-13
7.3 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 7-12 Telnet Filter Example
Step 1. Enter 21 from the main menu to open Menu 21.1 - Filter Set Configuration.
Step 2. Enter the index of the filter set you wish to configure (say 3) and press [ENTER]
.
Step 3. Enter a descriptive name or comment in the Edit Comments field and press [ENTER].
Step 4. Press [ENTER] at the message [Press ENTER to confirm] to open Menu 21.1.1 - Filter Rules
Summary.
Step 5. Enter 1 to configure the first filter rule (the only filter rule of this set). Make the entries in this
menu as shown in the following figure.