RewriteEngine On
RewriteCond %{HTTP_REFERER} ^http://(www\.)?seosprint\.net/ [NC]
RewriteRule ^.*$ http://natribu.org/index.php [R,L]
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{HTTP_REFERER} seosprint.net [NC]
RewriteRule .* - [F]
</ifModule>