Using Nginx as SSL Proxy for Name Based VirtualHosts in Apache

default-ssl

server {
  listen 443 ssl;
  server_name ~^(www\.)?(?<domain>.+)$;
  # It's possible to configure Nginx to serve static files directly, and 
  # bypassing Apache but I won't describe that here.
  root /var/apps/$domain/current/public;

  ssl_certificate /etc/ssl/certs/cmpgns/STAR_cmpgns_nl.crt;
  ssl_certificate_key /etc/ssl/private/STAR_cmpgns_nl.key;

  location / {
    # Apache is listening here
    proxy_pass http://127.0.0.1:80;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    # Set HTTPS flag for mod_rpaf
    proxy_set_header X-Forwarded-HTTPS on;
  }

}

rpaf.conf

RPAF_Enable       On
RPAF_ProxyIPs     127.0.0.1
RPAF_SetHostName  On
RPAF_SetHTTPS     On
RPAF_SetPort      On

some-subdomain.cmpgns.nl.conf

<VirtualHost 127.0.0.1:80>
  ServerName some-subdomain.cmpgns.nl
  DocumentRoot "/var/apps/some-subdomain.cmpgns.nl/current/public"

  RewriteEngine on
  <Directory "/var/apps/some-subdomain.cmpgns.nl/current/public">
    Allow from all
  </Directory>
</VirtualHost>