> I don't want to run a border firewall on my home network, because I am not devops, Well... too bad? Do you want security or not? > neither is my mother, who

> I don't want to run a border firewall on my home network, because I am not devops, Well... too bad? Do you want security or not? > neither is my mother, who also has a home network, etc. If your hypothetical non-technical mother just buys a normal off-the-shelf router (+AP+switch+...) then it'll already have a firewall by default. It's not like end-users are expected to design/implement these things themselves.