Originally Posted by synbitz
that's old code and doesnt work on recent proxy sites like hidemyass..
ive tried that before, I can google 2 bro I wouldnt drop this question here if i hadnt of tried the google results : )
Because there are so many types of proxies(HTTP, SOCKS, VPNs, Tor, etc.) it is extremely difficult to block them all.
It is a good idea to block hosting companies entirely.