Flash :: Pass HTTP Referrer With Loader Load()

May 20, 2011

I need to set a value for the Referer header when making a request to my local proxy script from Flash. As recommended in this question: Facebook Proxy Loader Security, I need to check the HTTP_REFERER to test if traffic is coming from my own domain. The problem is that when using a loader like the code below, no Referer header is sent.

package com.utils.loaders {
import flash.net.URLVariables;
import flash.net.URLRequest;

[Code]...

According to the Flash docs: [URL] there is only very limited support for HTTP headers in Flash Player, and Referer is prohibited. Is there anything I can do here other than have my proxy check that $_SERVER['HTTP_REFERER'] is empty? (and that seems like a fairly large hole in security right there)

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