Unified Threat Management Products | GTA, Inc.
GB-2500 Technical Specifications

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GB-2500 Technical Drawing

Security Appliance | Front
[ Front ]

Security Appliance | Back
[ Back ]


Firewall Modes & System Features
GB-OS Version 6.2.03
512,000 Concurrent Sessions
2 Mobile IPSec VPN, PPTP, L2TP Client Licenses included
2 SSL Client Licenses included
Stateful Packet Inspection
Threat Management Features
Secure Transparent NAT
Encrypted Remote Management
Unrestricted Concurrent User License
Networking / Connectivity
Interface Bridging
IP Aliasing
IP Pass-through
Stealth Mode
Time-based Filters
Static Routing
Address Objects
Gateway Failover Selector [Multiple WAN Support]
Dynamic Gateway Architecture
Gateway Selector
PPPoE / PPP / DHCP Client / PPTP Client
USB GSM Modem / ISDN Support / Async Modem Support / PAP & Chap Auth
VLAN Tagging
User Authentication
LDAP, RADIUS and Active Directory Single Sign-On
Network Time Service [NTP]
DHCP Server
Dynamic DNS
DNS Proxy
SMTP Email Proxy
Multiple Email Domains Supported
HTTP Proxy [Traditional and Transparent]
DNS Server
Traffic Management
Traffic Shaping(BGP, OSPF, RIP v1, v2)
Policy Based Routing (Source, Destination, Port/Service)
Bandwidth Management
Content Filtering
Local Content Lists (Allow Deny URL's)
Access Control Lists (Policies)
Block Java, Javascript, ActiveX
Intrusion & DoS Prevention
Customizable IPS Policies
Alarm Coalescing
IP Spoofing Protection
DoS Prevention and Alerting
Customizable Alarm Thresholds
Email and SMS Alarm Notifications
Remote Logging to GTAsyslog [WELF Format]
SNMP Management Read
Active VPN Tunnel Status


IPSec Standard
NAT-T Support
Internet Key Exchange (IKE)
VPN Certificate or Pre-shared Secret Authentication
Standard 10,000 Security Associations
Outbound Access Control
Remote Network Access Control
Inbound Access Control
Manual Key Exchange
Mobile VPN Client Support
SSL Client & Browser
LT2P Remote Access Support
PPTP Remote Access Support
Full Strength Encryption
DES, 3DES, AES, Blowfish, Camellia
SHA-1, SHA-2 and MD5 Digital Signatures


6 10/100/1000 Ethernet Interfaces
2 USB Interfaces
1 Console Interfaces
1.8 GHz Intel Core 2 Duo CPU
4 GB Flash Memory
Rackmount Hardware
Optional Ethernet Expansion Cards


1.73" h x 17.4" w x 11.5" d (4.4 cm x 44.3 cm x 29.2 cm)
9.5 lbs (4.31 kg)


100-240 VAC 4.2A /50-60Hz


H2A High Availability
Mail Proxy Anti-Spam Subscription Option
Mail Proxy Anti-Virus Feature
Web Content Filtering Option
Additional GTA Mobile IPSec VPN, PPTP & LT2P Client Licenses
Additional SSL Mobile Client Licenses
Dual Port Copper Gigabit Ethernet (1000Base-T/100Base-Tx/10Base-T) Expansion Option
Quad Port Copper Gigabit Ethernet (1000Base-T/100Base-Tx/10Base-T) Expansion Option
Dual Port Fiber Gigabit Ethernet 1000Base-SX Expansion Option
Quad Port Fiber Gigabit Ethernet 1000Base-SX Expansion Option

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'Global Technology Associates' and 'GTA' are service marks of Global Technology Associates, Incorporated.