ZyXEL Communications Internet Security Gateway ZyWALL 2 Series - Manual (Page 184)

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