Protectli Vault fw4b This is a four port firewall router plus an auxiliary wifi interface This device runs FOSS OPNsense firewall software with everything essential to protect your home network Plug your WAN ethernet into the WAN port. Run your LAN ethernet out You can decide what comes in and out, separate devices on the network and so much more. Feee Open Source Software runs on this dedicated micro computer to control your internet flow. This is bad ass hardware and Protectli has been rock solid customer support.