I need some help writing an Nginx rule for the WordPress Cookies For Comments plugin. There's an Apache .htaccess rule that seems to block most spam simply by checking for the presence of a cookie before allowing access to the wp-comments-post.php file. If the cookie doesn't exist, you get a 403 error. The Apache version of the rules is (where "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" is theby GerryBot - How to...