Some advanced firewalls will intercept requests to unknown domains and serve a complex JavaScript math problem. A standard browser passes it; however, if Rammerhead's URL rewriting fails to properly handle the challenge
However, there's no official, static list of "approved" Rammerhead proxies. The community maintains lists informally through forums, Discord servers, GitHub repositories, and shared documents. These lists are updated frequently, as new URLs appear and old ones get blocked. Rammerhead Proxy List -
Disclaimer: Due to the rapid nature of takedowns, this list is accurate as of the time of writing but may require refreshing. Always use a URL checker before clicking. Some advanced firewalls will intercept requests to unknown