RewriteEngine on
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/index.php$ [NC]
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/index.php*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/index.php.*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/index.php$ [NC]
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/index.php*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/index.php.*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/ftpbrowser.php$ [NC]
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/ftpbrowser.php*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/ftpbrowser.php.*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/ftpbrowser.php$ [NC]
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/ftpbrowser.php*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://extremepow.com/ftpbrowser.php.*$ [NC]

RewriteRule .*.(zip|ZIP|Zip|zIp|ziP|ZIp|ZiP|zIP|rar|RAR|Rar|RAr|RaR|raR|rAR|rAr)$ http://www.extremepow.com/demo [NC]