Block XML-RPC Requests

[kingkool68]

We don't use it and it opens up a vector for resource draining:

Edit /var/www/spiritedmedia.com/conf/nginx/protect-system-files.conf:

# Block XML-RPC requests
location = /xmlrpc.php {
  deny all;
  access_log off;
  log_not_found off;
}