Using htaccess to eat up outbound clicks with no cookie presented will defeat most of the site suckers. However, it will also defeat legitimate spiders.
*** WARNING: THIS IS UNTESTED ***
RewriteEngine on
RewriteCond %{HTTP_COOKIE} !^.*ttt_cookie.*$
RewriteRule .*ttt-out.php.*$ /nocookies.html
If a surfer loads ttt-out.php and does not present the cookie 'ttt_cookie' (which is normally set when they load the main page), they will be redirected to /nocookies.html
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