Check Point

Check Point is a provider of computer and network security software and hardware, notably firewalls.

Check Point URL Filtering Software Blade

Check Point URL Filtering Software Blade is a subscription based URL filtering service available for Check Point gateway (firewall) users. It claims to have categorised 200 million websites.

It can operate using TLS interception or a "lite" filtering (presumably via the Host header request).

It is the filtering source for internet access in the UK parliament.

• https://www.checkpoint.com/products/url-filtering-software-blade/