The USG2000 series of Huawei integrates security functions including IPS, AV, AS, URL filtering, application control, and content filtering, and other functions, such as routing, switching, high availability, VPN, NAT, bandwidth management, identity authentication, load balancing, IPv6, and visualized management to protect networks against DDoS attacks, worms, Trojan horses, viruses, intrusions, and other network infringements, providing a reliable and secure network for small and miduim-sized enterprises