I recommend that you build your own lab environment to get comfortable with Untangle NGFW and practice the different scenarios before deploying it to your production environment. You can use virtualization platforms such as VMware Workstation or Oracle VirtualBox to build the lab environment.

In our lab, we have ABC bank and Acme school as fictional organizations. ABC bank uses two Untangle NGFWs in a high availability mode. It has two internal subnets for the servers and users, and it uses a leased line for the Internet connectivity.

Acme school has two locations. The HQ has Untangle NGFW running in the router mode, protecting two subnets (internal and DMZ). The remote branch office has an existing firewall, which Acme school decided to replace with Untangle NGFW. So, Acme school deployed Untangle NGFW in the bridge mode behind the existing firewall till the expiration of the firewall license. After the license expiration, Untangle NGFW will be deployed in the router...