Transparent SSL termination on Amazon's Elastic Load Balancer with mod_rpaf

With these changes, all you need to put into your apache.conf is

This will give you transparent SSL termination  for Apache VirtualHosts located behind an Amazon EC2 Elastic Load Balancer.

In this setup, clients connect to the ELB via SSL and the ELB forwards the connection as plain HTTP to your virtual host. Yet, inside your virtual host (and for example, in PHP scripts), everything will look and feel like a direct SSL connection made by the client. Especially the REMOTE_ADDR, HTTPS, SCRIPT_URI and HTTP_PORT server variables will be what you would expect for a direct connection.