What is crossdomain.xml file?

“A cross-domain policy file is an XML document that grants a web client—such as Adobe Flash Player, Adobe Reader, etc.—permission to handle data across multiple domains.”. Taken from Adobe website http://www.adobe.com/devnet/articles/crossdomain_policy_file_spec.html. EDIT: Answer to question 2: Flex crossdomain.xml not working correctly in Chrome/Firefox?. Install Adobe Flash Player for developers, Fiddler (or similar), these tools should … Read more