Google Web Accelerator [0] did this. Requests were pricked via Google. A side effect of this was that you could access internal Google tools that had been restr

Google Web Accelerator [0] did this. Requests were pricked via Google. A side effect of this was that you could access internal Google tools that had been restricted to Google's IP address range – oops! [0] https://en.wikipedia.org/wiki/Google_Web_Accelerator https://en.wikipedia.org/wiki/Google_Web_Accelerator