Thx Thiery... I read everywhere it should be fixed in IE10 but the recent port of IE10 to Win7, I see the same behaviour.
Anyhow, there is nothing that can be done about the missing response headers. Total clusterf#ck by MS. ------------------------------------------------------ http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=3050526