![background image](/i/zyxel/144895/zyxel-zywall-2-ee/h/zyxel-zywall-2-ee-184.png)
ZyWALL 2 Series User’s Guide
12-4
Content Filtering Screens
Table 12-1 Content Filter : General
LABEL DESCRIPTION
Exclude specified
address ranges from
the content filter
enforcement
Select this checkbox to exempt a specific range of users on your LAN from
content filter policies.
Add Address Ranges
From Type the beginning IP address (in dotted decimal notation) of the specific range
of users on your LAN.
To Type the ending IP address (in dotted decimal notation) of the specific range of
users on your LAN, then click
Add Range
.
Address List This text field shows the address ranges that are blocked.
Add Range Click
Add Range
after you have filled in the
From
and
To
fields above.
Delete Range Click
Delete Range
after you select the range of addresses you wish to delete.
Apply
Click
Apply
to save your changes back to the ZyWALL.
Reset
Click
Reset
to begin configuring this screen afresh.
12.3 Content Filtering with an External Server
Your ZyWALL uses an application services company that provides outsourced content filtering. If you
enable the content filter, your ZyWALL will have access to an external database, which contains dynamically
updated ratings of millions of web sites. The content filtering lookup process is described below.
Figure 12-2 Content Filtering Lookup Procedure