Can OmniNet block all traffic to the internet?

Through Zone settings OmniShield can block all traffic.

Steps:

Note: This requires a Standard or Pro subscription.

Note: Test this in a Lab environment to ensure all URL Overrides are correct.

1. Set the Zone's Custom Web Filtering to all Blocks.

2.  Create URL overrides for the URLs and/or IP subnets needed.

2a. If no scanning is required also add Security Overrides for these locations.

To identify extra items use the Chrome Developer Tools:

How to video: https://www.youtube.com/watch?v=mV7ZLYko5Ec

Example Zone configuration: