Advanced Features
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.
•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 40: 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.
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 which contains ANY entry ANYWHERE in the URL will be blocked.
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