Prestige 681 SDSL Router
Filter Configuration
9-15
9.4 Example Filter
Let’s look at the third default ZyXEL filter, TELNET_WAN (see
Figure 9-2
and
Figure 9-5
) as an
example. Please see our PNC Disk for more example filters. This filter is designed to block outside users
telnetting into the Prestige.
Figure 9-10
Telnet Filter Example
Step 1.
Enter
21
from the Main Menu to open
Menu 21 - Filter Set Configuration
.
Step 2.
Enter the index of the filter set you wish to configure (in this case, 3) and press
[ENTER]
.
Step 3.
Enter a descriptive name or comment in the
Edit Comments
field (in this case TELNET_WAN)
and press
[ENTER].
Step 4.
Press
[ENTER]
at the message: [Press ENTER to confirm] to open
Menu 21.1 - 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.
