I was dealing with security of my server since last 7 days, finally I got this CMS firefall. I think its perfect. Its compatible with Linux server and works perfectly. It got installed quickly and in few minutes I could see all the security laps in my server. Check the link : http://www.configserver.com/cp/csf.html I've also added it at my list of 213 SEO / Webmaster Tools collection. Regards