Quote:
Originally Posted by hammerhead24
How reliable is it? How many proxies actually pass the correct http variables to allow the detection?
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Simple answer - unknown except you have a real time list of all available proxies filtered by ones passing these variables and the ones that don't.
If you're really concerned - with Javascript, Flash, Java or ActiveX controls you can get the Browser sends it's real IP by executing some code at the clients comp.
Still - someone who wants to spam your board, hiding behind a proxy, maybe has these things disabled anyways.