Put following in the default document of your webserver, and it will auto redirect to https://
<html>
<body></body>
<scripttype=”text/javascript”>
var url = “”;
if (window.location.href.toLowerCase().indexOf(“http://”) > -1)
url = window.location.href.replace(“http://”, “https://”);
if (url.toLowerCase().indexOf(“default.asp”) == -1) {
if (url.substr(-1) == “/”)
url = url + “/”;
url = url + “default.asp”;
}
window.location.href = url;
</script>
</html>