[C0nw0nk]

I just updated the original post and added "Anti-DDoS Tools" Basically really handy for windows servers under any form of denial of service attack.
http://sourceforge.net/projects/qaas...?source=navbar

• Blocks IP address with more than 100 connection on DNS MSSQL MySQL HTTP
• Does not block host IP and IP in the white list
• you can unblock IP using ublock command
• Takes only few seconds for setup

It is a step forward for windows DDoS Security and its Free!

Also http://sourceforge.net/projects/wipfw/?source=directory "wipfw" :

wipfw - IPv4 packet filter and traffic shaper for Windows based on IPFW (FreeBSD firewall).