<?php
// WP Trackback Temp Fix

function ft_stop_trackback_dos_attacks(){
        global $pagenow;
        if ( 'wp-trackback.php' == $pagenow ){
                // DoS attack fix.
                if ( isset($_POST['charset']) ){
                        $charset = $_POST['charset'];
                        if ( strlen($charset) > 50 ) {  die; }
                }
        }
}
add_action('init','ft_stop_trackback_dos_attacks');

?>