http://livedocs.adobe.com/ Macromedia LiveDocs - online documentation with user feedback. Copyright 2009, Macromedia, Inc. 2009-11-25T21:52:06 en-us http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/flash/net/URLRequestHeader.html#87341 Due to browser limitations, custom HTTP request headers are only supported for POST requests, not for GET requests. <br />---<br />This restriction will be included in the next version of the Language Reference. 0 0 2008-09-02T10:48:50 http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/flash/net/URLRequestHeader.html#79289 In the property detail section it states "An HTTP request header name (such as Content-Type or SOAPAction)."<br /><br />But would the Content-Type not always be better specified using the contentType property of URLRequest, with which the URLRequestHeader object would be used? flexdeveloper.eu 0 0 2008-01-08T01:51:23 http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/flash/net/URLRequestHeader.html#77998 Why was the Authorization header removed entirely? At the very least, it should have been deprecated for a couple releases before being removed. ALewisohn 0 0 2007-12-05T13:21:02