• 50 or Unrestricted Outbound Users
• Three 10/100 Ethernet Ports
• Stateful Packet Inspection
• Built-in IPSec VPN With 1 Mobile Client License
• 20,000 Concurrent Sessions
• ICSA 4.1 Corporate Certified

System Software

• GB-OS System Software
• Dynamic & Static Network Address Translation (NAT)
• Secure Encrypted Remote Management
• Supports Multimedia Applications (Real Audio, QuickTime Streaming)
• Secure Email Proxy (SMTP)
• DHCP Server
• DNS Server
• PPPoE Support
• ISDN TA/Async modem support
• Content Filtering (Requires Optional Subscription)
• Works Seamlessly With Windows, Macintosh, NT and Unix
• User Authentication

VPN

• IPSec Standard
• Internet Key Exchange (IKE)
• Outbound Access Control (Maximum 50 Security Associations)
• Remote Network Access Control
• Inbound Access Control
• Manual Key Exchange
• Mobile VPN Client Support
• Full Strength Encryption
• DES, 3DES, AES, Blowfish
• SHA-1, SHA-2 and MD5 Digital Signatures

Hardware

• 128 Mbytes RAM
• 64 Mbytes Flash Memory
• 533 Mhz CPU
• 3 10/100 Ethernet Interfaces
• 2 DB-9 Serial Interfaces
• USB Interface

Physical

• 1.75" h x 9" w x 10.5" d
  (4.45cm x 22.86cm x 26.67cm)
• 4 lbs (1.814 kg)

Power

• External Transformer Type
• 100-240 VAC
• 50-60Hz
• 12VDC, 3amps Max.
• MTBF > 300,000 hrs.

Options

• Additional Mobile VPN Client Licenses
• Surf Sentinel Internet Access Management
• Mail Sentinel Anti-Spam
• GTA Reporting Suite
• GB Commander

GB 500 Front

GB 500 Back