Redirecting all requests through HTTPS in a way that works with both public and private IPs

Question

I want to force Apache to redirect all traffic through HTTPS:

# Redirect HTTP traffic to HTTPS.
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://mypublicip/$1 [R=301,L]

Unfortunately, this does not work when I am trying to access my website from my local network using my Web server's private IP. How could I work around this limitation?

Answer 1

mod_rewrite supports more variables like %{HTTPS}. For your requirement %{HTTP_HOST} is the way to go.