. As broadband quickly becomes a necessity in the business world facing network security threats the breaches evolve into highly sophisticated attacks to paralyze networks & to steal sensitive information. In response to such attacks small businesses have to meet the great challenge protecting their networks. The Zyxel USG 100 Series is designed for small business to provide real-time inspection & multi-layer network protection to prevent the network from threats. The USG Series embodies Stateful Packet Inspection (SPI) firewall Anti-Virus (AV) Intrusion Detection & Prevention (IDP) content filtering anti-spam & VPN (IPSec/SSL/L2TP) features in one box. In addition the USG Series not only offers complete security license to fulfill your demand but also guarantees the continuous firmware upgrades to save your cost. Incorporating comprehensive security features in the connected devices the USG Series safeguards your organization's customer & company records intellectual properties as well as critical resources from both external & internal threats. Robust security without sacrificing performance The Zyxel USG 100 Series is built with a powerful Integrated high-performance security architecture that provides real-time inspection to prevent networks from threats without sacrificing performance. Corporate networks are not only flawlessly secured but also get significant performance enhancements on productivity & efficiency since file loading emailing & information searching applications are processed at higher speeds. Comprehensive IPv 6 support smoothly connects future-ready networks The Zyxel USG Series is IPv 6-ready today & is certified with IPv 6 Ready gold logo. With IPv 6 feature enabled the USG Series ensures businesses with a smooth migration path from the IPv 4-based networks to the full IPv 6 infrastructure. It assigns IPv 6 addresses to clients & passes the IPv 6 traffics through the IPv 4 environment. The USG Series supports dual-stack & IPv 4 tunneling (6rd & 6to 4 transition tunnel) implementations for Internet connectivity to access IPv 6 applications. EASY VPN reduces operation cost & time Establishing a VPN tunnel is a good way to build secure connections among remote offices branch offices & partners; however it is difficult for non-technical employees such as sales people to use because of complicated configuration. The Zyxel USG Series is equipped with the EASY VPN solution to push configuration files to the VPN clients automatically; this eliminates the configuration efforts while securing the access at the same time. In addition the USG Series supports L2TP VPN technology on iPhones Android phones & many other mobile devices as L2TP VPN enables employees in remote places to connect to the headquarters with easy & free access. Content filter for safer Web surfing The World Wide Web has become the main target for network threats since the Internet itself is a very effective malware delivery mechanism. With threats hidden directly in contents such as cookies add-ons & rootkits it makes malware exceptionally difficult to detect. The Zyxel USG Series content filter solution provided by Blue Coat & Commtouch the leading providers reduces costs & extends protection by combining a comprehensive integrated database featuring millions of URLs IP addresses & domains. With the solution the USG Series not only enables real-time protection that deters emerging Web threats including malware & phishing but also blocks or monitors certain sites to maintain employee productivity. Powerful Email security The Zyxel USG Series delivers industry-leading protection powered by Commtouch against spam phishing & virus-laden emails. The extremely high performance of Commtouch technology comes from the unique recurrent pattern detection (RPD) mechanism that possesses its superior capability through a