Advanced Features
55
The "DMZ PC" is effectively outside the Firewall, mak-
ing it more vulnerable to attacks. For this reason, you
should only enable the DMZ feature when required.
URL Filter
The URL Filter allows you to block access to undesirable Web sites.
•
To use this feature, you must define "filter strings". If the "filter string" appears in a re-
quested URL, the request is blocked.
•
Enabling the
URL Filter
also affects the Internet
Access Log
. If Enabled, the "Destination"
field in the log will display the URL. Otherwise, it will display the IP Address.
•
The
URL Filter
can be Enabled or Disabled on the
Advanced Internet
screen.
URL Filter Screen
Click the "Configure URL Filter" button on the
Internet
screen to access the
URL Filter
screen.
An example screen is shown below.
Figure 32: URL Filter Screen
Data - URL Filter Screen
Filter Strings
Current Entries
This lists any existing entries. If you have not entered any values, this
list will be empty.