вот твои хидеры
Код AS3:
HTTP/1.1 200 OK
Date: Fri, 30 Jul 2010 13:22:10 GMT
Server: Apache/2
Last-Modified: Fri, 30 Jul 2010 11:42:48 GMT
ETag: "7140702-428b4-48c99599a1e00"
Accept-Ranges: bytes
Vary: Accept-Encoding,User-Agent
Content-Encoding: gzip
Keep-Alive: timeout=1, max=98
Connection: Keep-Alive
Transfer-Encoding: chunked
Content-Type: application/x-shockwave-flash
Content-Encoding: gzip -> gzip-ует
тут посмотри, последний пост