Redirect https to https works in Firefox but not IE

My apologies, I was wrong, Firefox doesn't redirect https to https either. I had to dump all my cache and history and then it stopped working. So we'll add site yyy as an alt name on the existing cert since it is the same server. My updated question would be how to rebuild the rule so that if a user requests http://xxx it appends "/wfc/logon" but if a user requests http://yyy it appends "/wfc/applications/wtk/html/ess/logon.jsp" instead? Thanks, Rob