Anti DDoS Guardian is high performance DDoS protection software for Windows Servers. It stops most DDoS/DoS attacks, including SYN attacks, IP flood, TCP flood, UDP flood, ICMP flood, slow HTTP DDoS attacks, Layer 7 attacks, Windows Remote Desktop brute force password guessing attacks, etc. The DDoS protection manages network flows, client bandwidth, client TCP connection number, UDP/ICMP packet rate, TCP half-open connection and so on. It can be successfully deployed on Windows website server machines, in a production environment, to easily ban country IP addresses with Apache's .htaccess files. Anti DDoS Guardian is fully compatible with Windows 2000, XP, 2003, 2008, Vista, Windows 7, Windows 8, Windows 10 and Windows 2012, in 32-bit and 64-bit. The new version adds functions to control UDP flows, by which Anti DDoS Guardian can prevent DNS servers from being DNS Amplification attack sources.