Anti DDoS Guardian is high performance Anti DDoS software for Windows Servers. It stops slow HTTP Get&Post attacks, layer 7 attacks, slowloris attacks, OWASP attacks, RDP brute force password guessing attacks, SYN attacks, IP flood, TCP flood, UDP flood, ICMP flood, SMURF attacks, bandwidth attacks, etc. This tool manages network flow and keeps attacking traffic out. It limits network flow number, client bandwidth, client TCP connection number, UDP/ICMP packet rate, and most importantly, it controls TCP half-open connection which is effective to stop SYN attacks. Anti DDoS Guardian can be successfully deployed on Windows website server machines, in a production environment, to easily ban country IP addresses with Apache\\'s .htaccess files. It protects online servers, such as Apache servers, IIS servers, online game servers, mail servers, FTP servers, Camfrog servers, VOIP PBX and SIP servers and other Internet servers. In addition, this Anti DDoS software serves as a lightweight firewall with TCP/IP rules and the rules are based on IP address, port, protocol, and other TCP/IP factors. It supports IP black list, white list, exceptional rules, log files, network activity displaying, IP address looking up and other powerful features. Anti DDoS Guardian is fully compatible with Windows 2000, XP, 2003, 2008, Vista, Windows 7, Windows 8 and Windows 2012, in 32-bit and 64-bit.