The GB-200 Firewall Appliance is the entry-level firewall in GTA's RoBoX family. The GB-200 offers more power and flexibility than comparable appliances. Available in a 10 or 25 concurrent outbound user versions, the GB-200 allows you to match the firewall to your current network needs, expand in the future as your business grows. The proven ICSA certified GNAT Box System Software, assures you full corporate level firewall security. Features include transparent NAT, stateful packet inspection, built-in IPSec VPN (optional on the 10 user version), DHCP and content filtering, all packed in a 6" square case. Total security in a small appliance.

The GB-500 Firewall Appliance is a perfect solution for Remote Office/Branch Offices with larger networks. Offering up to 10,000 concurrent sessions, three fully configurable 10/100 Ethernet interfaces, DNS server and built-in IPSec VPN, the GB-500 provides full-featured firewall security. Incorporating nine years of field-tested experience, the proven ICSA certified stateful packet GNAT Box System Software powering the GB-500 offers features and performance normally found only in larger, more expensive firewall appliances. Available in 50 or unrestricted concurrent outbound user versions to meet your networking needs.

For remote or branch offices with critical high-speed VPN connectivity requirements, the GB-750 Firewall/VPN Appliance offers hardware VPN accelerated performance for up to 50 concurrent mobile VPN users. Pair two GB-750s with the optional H2A high availability feature for firewall redundancy on a mission-critical 24/7 network. Powered by ICSA certified GNAT Box System Software, the GB-750 offers time tested firewall security with stateful packet inspection, NAT, DMZ, DHCP, DNS, content filtering and user authentication.