At the heart of your office network, NETGEAR's high performance security appliance, Pro Safe VPN Firewall 200 offers a complete security solution for small & medium sized companies. This rack-mountable, Stateful Packet Inspection (SPI) firewall is equipped with support for up to 200 security associations (VPN tunnels). The FVX538 can serve as a DHCP Server, supports Simple Network Management Protocol (SNMP), Quality of Service (Qo S) & has a powerful SPI firewall to protect your PCs against intruders & most common Internet attacks.