Huawei AntiDDoS1520-DC has 4GE ports, 4GE Combo (RJ-45/SFP) ports, 2 × FIC, 4G Memory and 2 DC Power supplies. It designed for online services of Small- and Medium-sized Enterprises (SMEs), governments, financial services organizations, and ICP service providers including providers for web portals, online games, online videos, and DNS services. The Huawei AntiDDoS1000 series incorporates extensive experience in network security and full understanding of customer demands. It enhances defense against application-layer attacks, IPv4-IPv6 attack defense, and defense against zombies, Trojan horses, and worms. This fully ensures network security and service continuity. Huawei AntiDDoS1000 series also uses a Graphical User Interface (GUI) to configure and manage the system, including traffic model analysis, defense policy template recommendation, flexible attack alarming, and refined report display functions accommodating the requirement of IDC and enterprise IT personnel for secure and easy management.