What is “Disable all WEB traffic except for Trusted Domains” in URL Filter? How to use it?

“Disable all WEB traffic except for Trusted Domains” means all the web traffic will be blocked by BiGuard except those URLs which are trusted by BiGuard.

For example:

If we allow the users to browse www.billion.com only, please follow the 2 steps.

A. Step 1: configure the URL www.billion.com as a trusted domain.

B. Step 2: enable “URL filter” , “Domain filter” and “Disable all WEB traffic except for Trusted Domains”.