.htaccess

<IfModule mod_headers.c>
  <FilesMatch "\.root">
     Header set Access-Control-Allow-Origin "*"
     Header set Access-Control-Allow-Headers "range"
     Header set Access-Control-Expose-Headers "content-range,content-length,accept-ranges"
     Header set Access-Control-Allow-Methods "HEAD,GET"
  </FilesMatch>
</IfModule>