<VirtualHost *:80>

    ## Force SSL
    RewriteEngine on
    ReWriteCond %{SERVER_PORT} !^443$
    ReWriteCond %{REQUEST_URI} ^/plinth
    RewriteRule ^/(.*) https://%{HTTP_HOST}/$1 [NC,R,L]

    ## Shared options.
    DocumentRoot /dev/null

    ## Use this rule to hang plinth off of plinth.(servername)
    # ServerName plinth
    # ServerAlias plinth.*

</VirtualHost>