How to redirect HTTP to HTTPS in MVC application (IIS7.5)

Question

I need to redirect my HTTP site to HTTPS, have added below rule but I am getting 403 Error when tried using http://www.example.com, it works fine when I type https://www.exa

Answer 1

I'm unable to add comments, but thought this supplementary info would maybe help somebody.

I implemented the Global.asax idea with the 301 Permanent Redirect, and added http binding to the site in IIS. It still gave me 403 Forbidden until I remembered to untick "Require SSL" in SSL Settings.