At the heart of your office network, NETGEAR's high performance security appliance, ProSafe VPN Firewall offers a complete security solution for small and medium sized companies. This rackmountable, Stateful Packet Inspection (SPI) firewall is equipped with support for up to 100 security associations (VPN tunnels). The FVX538 can serve as a DHCP Server, supports Simple Network Management Protocol (SNMP), Quality of Service (QoS) and has a powerful SPI firewall to protect your PCs against intruders and most common Internet attacks.