The Dell Sonic WALL Network Security Appliance (NSA) 220 Wireless-N series high-performance next-generation firewall offers branch offices & distributed enterprises in-depth frontline security, application & user control, network productivity & optional 802.11 dual-band wireless. The NSA 220 series firewalls act as the first line of network defense against viruses, Trojans, key-loggers & other application layer attacks, without compromising network performance. Management is simplified by consolidating many functions, including network security, remote access & wireless. The NSA 220 series offers an extensive array of advanced networking & configuration flexibility features in an accessible, affordable platform that is easy to deploy & manage in a wide variety of environments. Features Distributed network security The NSA 220 series provides anti-malware, intrusion prevention & web content filtering at branch offices without compromising performance at those locations. Application control & visualization IT administrators can granularly view & control bandwidth-consuming & potentially dangerous application traffic over the network, even between widely distributed locations. WAN acceleration Network productivity can increase because IT administrators can identify & throttle or block unauthorized, unproductive & non-work-related appliances & websites such as Facebook or You Tube & optimize WAN traffic when integrated with Dell Sonic WALL WAN Acceleration Appliance (WXA) solutions. Gateway anti-malware Gateway anti-virus & anti-spyware provide high-performance protection against millions of unique pieces of malware with near zero latency & no file size limitations. This provides a first layer of defense & stops malware before it can reach systems on your network. Intrusion prevention Tightly integrated, signature-based network intrusion prevention protects against a comprehensive array of network & application layer threats by scanning packet payloads for attacks & exploits targeting critical internal systems. Virtual private networking High-performance Virtual Private Networks (VPNs) easily scale to thousands of endpoints & branch offices. & Dell Sonic WALL Clean VPN technology protects the integrity of both your IPSec & SSL VPN traffic, securing your remote access tunnels & decontaminating the traffic running across it. High performance Sonic WALL's patented Reassembly-Free Deep Packet Inspection engine combined with Dell Sonic WALL's NSA 220 dual-core security platform is capable of inspecting hundreds of thousands of connections simultaneously across all ports. With nearly zero latency & without file size limitations, the system provides 110 Mbps of deep packet inspection across 7 Gb E copper interfaces.