These 10 powerful security procedures will help protect your Linux, Apache, MySQL and PHP-driven website against common attacks.
http://www.developer.com/features/article.php/3884381/10-Simple-Security-Tasks-for-Locking-Down-Your-LAMP-Website.htm
http://www.developer.com/features/article.php/3884381/10-Simple-Security-Tasks-for-Locking-Down-Your-LAMP-Website.htm