How can I use a cross domain policy file to allow content on multiple domains?
Beginning with Flash Player 6, Flash movies are prohibited by default from accessing content on a domain other than that on which they themselves are hosted. Beginning with Flash Player 7, this prohibition further extends to subdomains of the movie’s own domain. To specifically permit a movie access to a server on a domain a ‘cross domain proxy file’ must be place on the target server at the root. This file will be an xml file (text with ‘.xml’ extension) with content such as the following: