Automatically backup your opnsense router to a Synology NAS via SFTP

I recently setup an opnsense router to handle network traffic for my home lab. There’s a lot of configuration done at opnsense in terms of interfaces, IP reservations, unbound DNS, firewall settings, VPN, security certificates, and more. Aside from some manual backup options, how can all this configuration be preserved if the hardware fails? Well, … Read more