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Barracuda CloudGen Firewall

Site-to-Site VPN

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A site-to-site VPN allows multiple locations to establish secure connections over the Internet or other public networks. VPN tunnels transparently join IPv4 networks, making remote resources securely available to clients behind the VPN devices through the tunnel. The VPN service supports both IPv4 and IPv6 for the VPN envelope. The traffic passing through the VPN tunnel is limited to IPv4. The firewall offers two VPN protocols: TINA and IPsec.

TINA VPN

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TINA is a Barracuda Networks proprietary VPN protocol designed to extend the feature set of and to remove the limitations of the IPsec protocol. TINA is designed to provide superior VPN connectivity and availability. Site-to-site TINA tunnels can be established only between CloudGen Firewalls. Advanced VPN features, such as Traffic Intelligence or WAN Optimization, are only available for TINA VPN tunnels.

For more information, see TINA VPN Tunnels.

IPsec VPN 

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IPsec has established itself as the standard for VPN tunnels and is widely supported by almost all VPN device manufacturers. The firewall supports both IKEv1 and IKEv2 IPsec site-to-site VPN tunnels to third-party VPN devices.

For more information, see IPsec VPN Tunnels.

For additional information related to site-to-site VPN configuration, see:

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