IIS7 Response header exposes server information when post request is incomplete

view story

http://serverfault.com – IIS reveals "Server: Microsoft-HTTPAPI/2.0" in the response header when a invalid Post request is made. e.g. content-length is not included in the header. The Response returned also says HTTP/1.1 411 Length Required. the closest case i have found was this forum post at iis.net: http://forums.iis.net/t/1178183.aspx/1 but still not having any luck. i have also attempted to implement this: http://blogs.technet.com/b/stefan_gossner/archive/2008/03/12/iis-7-how-t... and it doesnt stop the server header from being added / renamed My client is asking for all "Se (HowTos)