anti spam
BotPlug - Brute Force & Spam Bot Protection
BotPlug is designed to help you secure and protect your WordPress website from malicious bots & crawlers and brute-force attacks which rely on making repeated requests. By slowing down, redirecting and/or blocking requests from IP Addresses which have made an excessive quantity of requests in a short period of time (or by showing them a CAPTCHA to ensure they are human), BotPlug reduces the load on your server from these unwanted visito...
Spam Protection
Reduce the spam on your WordPress Blog by up to 90% with this simple but effective plugin. How does it work Every time a user/bot sends a comment in a specific post or page Spam Protection checks if that specific user/bot has visited for at least X seconds ( this value is customizable through the Options menu ) that specific post or page. If that user/bot has not visited that post for at least X seconds the user/bot receives a custom message. ...