This solution applies to the Barracuda Web Application Firewall.
IPv6 functionality is available in version 7.6.0.028 and above.
In order to enable the setting, you will need to access the Expert Settings section of your interface. Please contact technical support, and a technician can quickly help you accomplish this. This process will involve rebooting the system.
When IPv6 is enabled, the Barracuda Web Application Firewall honors both IPv6 and IPv4 traffic.
Link to this page: