$ HEAD http://www.alarabiya.net/rss/en_meast.xml
200 OK
Cache-Control: max-age=300, must-revalidate
Connection: close
Date: Thu, 25 Jun 2009 08:32:04 GMT
Via: 1.1 12.120.13.61:80 (cache/2.6.2.1.2.ATT)
Accept-Ranges: bytes
Age: 147
ETag: "361876a-2ada-f61b9ec0"
Server: Apache
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 3778
Content-Type: text/xml
Expires: Thu, 25 Jun 2009 08:37:04 GMT
Last-Modified: Thu, 25 Jun 2009 08:25:07 GMT
Client-Date: Thu, 25 Jun 2009 13:31:46 GMT
Client-Peer: 12.120.13.36:80
Client-Response-Num: 1
X-Cache: HIT from 12.120.13.61