RewriteEngine On
RewriteCond %{QUERY_STRING} !^0caf524c3478d8123f04d5f335a49a5d5966fda4$ [NC]
RewriteRule ^.*$ - [R=403,L]
Options -Indexes
<IfModule mod_headers.c>
  Header set X-Robots-Tag "noindex, nofollow"
</IfModule>
