In case you fear that your website might be targeted with flood or denial-of-service (DoS) attacks, you should check out IOSEC, a PHP script thats designed to protect sites against such threats.
To use IOSEC, all you need to do is include iosec.php in the PHP files that you want to protect. When a large amount of HTTP requests are detected, the user thats sending them is blocked.
When a certain IP is blocked, a warning page is displayed. I…