Ajax参数和rh-action

Please see the response of my ajax request below

Cache-Control:no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Content-Type:text/html
Date:Fri, 11 Oct 2013 05:44:55 GMT
Expires:Thu, 19 Nov 1981 08:52:00 GMT
Pragma:no-cache
rh-action:rh/ignore
Server:BS-rapture/1.4.19

can someone tell what what the hell is this "rh-action" ? I tried to search this in google, but couldnt able to find a promising answer.

Thanks and regards, Tismon Varghese

can someone tell what what the hell is this "rh-action" ?

This is not a standard HTTP header. It might be some proprietary stuff of the API you are using.