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 site
• To use this feature, you must define "filter strings". If the "filter string" appears in a
requested 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.
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.

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.
Add Filter String To add an entry to the list, enter it here, and click the "Add" button.
An entry may be a Domain name (e.g. www.trash.com) or simply a
string. (e.g. ads/)
Any URL that contains ANY entry ANYWHERE in the URL will be
blocked.