{ pkgs, ... }:
{
  networking = {
    hostName = "kansai";
    nftables.enable = true;
    enableIPv6 = false;

    networkmanager = {
      enable = true;
      plugins = [ pkgs.networkmanager-openvpn ];
    };

    nameservers = [
      "1.1.1.1#one.one.one.one"
      "1.0.0.1#one.one.one.one"
      "9.9.9.9#dns.quad9.net"
      "149.112.112.112#dns.quad9.net"
    ];

    firewall = {
      enable = true;
      allowedUDPPorts = [ 53 ];

      allowedTCPPorts = [
        80
        443
      ];

      allowedUDPPortRanges = [
        {
          from = 60000;
          to = 61000;
        }
      ];
    };

    dhcpcd = {
      wait = "background";
      extraConfig = "noarp";
    };
  };
}