ZyXEL Communications ZYWALL10 User Manual
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.
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.
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.
menu as shown in the following figure.