This is where the genius lies. Developers of "unblocking" tools realized that if they could host their proxy server’s frontend on a Google Site, it would essentially be camouflaged. To the school's firewall, the student isn't visiting a "proxy site"; they are simply visiting a subdomain of Google.
: It sits between your device and the destination site, replacing your real IP address with a "sticky" or fixed proxy IP. Feature Rich nebula proxy google sites
: Using the proxy is straightforward—simply visit a hosting site and enter the desired URL into the search field. This is where the genius lies
While useful for unblocking content, Nebula Proxy carries certain risks: Proxy vs. VPN: What Is the Difference? - Fortinet nebula proxy google sites