We frequently get questions regarding how to redirect HTTP request to secure HTTPS request. I found this posting that may help you http://blogs.msdn.com/saurabh_singh...ttp-to-https-ssl-web-request-redirection.aspx
Good tip. Addendum: http://dotnetslackers.com/articles/aspnet/An-In-Depth-Look-at-HTTP-Redirection.aspx