The Barracuda SSL VPN uses a web interface to manage the device. According to the quick start guide it has default admin credentials which the vendor doesn’t recommend changing:
Enter the license token to start automatically downloading your license.
Start your virtual appliance.
Open the console for the Barracuda SSL VPN virtual machine.
When the login prompt appears, log in as admin with the password admin.
Log into the Barracuda SSL VPN Vx web interface, and finalize the configuration of the appliance.
In your browser, go to https://:8443.
Log into the Barracuda SSL VPN Vx web interface as the administrator:
Username: admin Password: admin
Note: Only open the appliance administrator interface ports on 8000/8443 if you intend to manage the appliance from outside the corporate network.