With businesses becoming increasingly network-dependent your investment in a reliable network security solution becomes crucial. D-Link NetDefend presents you a series of powerful next-generation business-class network security solutions. NetDefend addresses your growing concerns over network security hacker attacks virus threats and increasing privacy demands. Each firewall in this series can offer you a high return on investment through robust security features flexible configuration and maximum network protection. The DFL-1600 firewall provide you with the assurance of a dedicated network security Solution for medium businesses or workgroups with integrated functions including firewall load balance fault tolerance ZoneDefense content filtering user authentication instant message and peer-to-peer application blocking Denial of Service (DoS) protection and Virtual Private Network (VPN) secure remote connection. The DFL-1600 meets the security and remote access needs of business that demands high performance at competitive prices. Advanced features are integrated and packed into a single housing to provide your network administrators with an all-in-one business-class level security solution.