You can configure Chromebook devices to automatically connect to Untangle NG Firewall OpenVPN or IPsec VPN server. This enables the administrator to force Internet traffic through NG Firewall to maintain safe Internet browsing for students or remote employees.
Configuring VPN settings
Google provides details on this configuration in Set up networks for managed devices (Wi-Fi, Ethernet, VPN).
Note: You must also install the root certificate to provide full HTTPS content filtering. These steps are provided within the same Google documentation referenced above.
Here is an example of a configuration via Google Admin Console.Follow