The solution outlined below is believed to be obsolete & ineffective, but retained for historical interest. Phorm have changed their method of operation to hi-jack image requests. You should encrypt your web communications using SSL.
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The Dephormation Speed Trap test uses a slow web page to test the speed of response from the server using AJAX (Javascript). If the server responds too quickly with a redirect, you know Phorm have intercepted your page. Pros; likely to reliably detect any redirect Cons; requires complex client side script Try the code without redirects, and with redirects. |