alphagov/pp-puppet — pull request #407 by robyoung (2014-05-12 13:56:12+00:00)
Title: Only set the X-Forwarded-Proto for SSL vhosts

Only set the X-Forwarded-Proto header on the SSL terminating (ie. public
facing) vhost. If we set it again on the backend app vhost we clobber
the header coming from the SSL terminating vhost.