John Sinteur, the Plug-In-Code from Mark J. Version: 0.1 Author: John Sinteur/Mark J. Author URI: http://wordpress.org/ */ function check_for_open_proxy($comment_text) { $spammer_ip = $_SERVER['REMOTE_ADDR']; list($a, $b, $c, $d) = split('.', $spammer_ip); if( checkdnsrr("$d.$c.$b.$a.list.dsbl.org") ) { header( "Location: http://dsbl.org/listing?".$spammer_ip); exit(); // $comment_text = $comment_text . "
\n Posted from an Open Proxy"; } return $comment_text; } add_action('post_comment_text', 'check_for_open_proxy', 1); ?>