The Joomla! plugin SSLRedirect allows you to implement SSL the way it should be: Normally in Joomla!, a page can be called via both HTTP and HTTPS. There is no real guarantee whether a SSL-page is really served through SSL. This is where the SSLRedirect plugin steps in: It guarantees that a specific page is accessed only through SSL (or not). This whitepaper explains how to use the plugin and how to troubleshoot it when things go wrong.

Read more: Using SSL Redirect in Joomla!