ZyXEL Communications ZyWALL 2 Series Manuale Utente
ZyWALL 2 Series User’s Guide
Filter Configuration
30-13
30.3 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.
included disk for more example filters.
Figure 30-8 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.
Step 6. 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.