Allow is selected under Action for Unknown Sites and you want to make an exception for a specific site.

Block is selected under Action for Unknown Sites and you want to make an exception on an allow rule. For example: you are allowing “provider.com” but you want to block access to “mail.provider.com”.

Browse to the Thomson Gateway Web Interface.

On the Toolbox menu, click Web Site Filtering.

Select the Use Address Based Filter check box.

Type the URL of the Web site you want to block (for example “mail.provider.com”) in the Web Site box.

In the Action list, click:

Block if you want to block this Web site.

Redirect if you want to redirect to another page. Type the address of the redirect page in the Redirect box.

Click Add.