How To Get Drupal To Work Through Strato's SSL Reverse Proxy


Yesterday, I had two hours in a cafe, a Cappuccino on my table, a piece of lemon cake and free WLAN. "Cool", I thought, "I'll write an entry for my blog!". How romantic.
Right after I entered my blog user's password, it dawned on me: The connection to my blog wasn't encrypted! Anyone able to sniff on the local WLAN would have been able to catch my password as I entered it and steal my blog user ID!
It took me some time (slightly more than the 2 hours I had...) to figure this out, so here's a howto on how to make your login/admin tasks secure for a Drupal instance running on Strato as the hoster.