I bought this Protectli Vault FW2B , and installed OPNSense strictly for firewall since I don’t control the router in my town home.

I used this guide to set up a transparent bridge so I can filter out traffic before it gets to the subnet my property manager assigned to me.

Setting it up was a great learning experience. One thing that was odd for me though, was that I had to change the label of the interfaces in the ui to match the label on the hardware.