
Since some time Nixos has firewall enabled by default, so update example. Also, remove newline escaping (it isn't needed). Closes https://github.com/NixOS/nixpkgs/issues/25174
Since some time Nixos has firewall enabled by default, so update example. Also, remove newline escaping (it isn't needed). Closes https://github.com/NixOS/nixpkgs/issues/25174