{ imports = [ ./iwd.nix ./networkmanager.nix ./networkd.nix ./resolved.nix ]; networking.firewall = { enable = true; checkReversePath = "loose"; }; # disable all ipv6 boot.kernel.sysctl = { "net.ipv6.conf.all.disable_ipv6" = 1; "net.ipv6.conf.default.disable_ipv6" = 1; }; }