The Firewall service deploys various heuristic checks and methods to protect your site. One of our most popular security settings, and questions, utilizes geolocation in order to protect and filter requests made to your site depending on where that user/client is. This setting is our ‘GeoBlock’ feature. How does the firewall GeoBlock? With geolocation information is gathered from the users browser.
What is geolocation?
Geolocation is the process of identifying the geographical location of a person based on the digital information given off by their internet-connected device.
Source: Scuri check