{lib, ... }:  {

  # Enable networking with NetworkManager
  networking = {
    networkmanager = { 
      enable = true;
    };

    useDHCP = lib.mkDefault true;
    # enableIPv6 = lib.mkForce false;
    firewall = { 
      enable = true;
      allowedTCPPorts = [  ];
      allowedUDPPorts = [  ];
    };
  };

#  boot.kernel.sysctl = {
#    "net.ipv6.conf.all.disable_ipv6" = true;
#  };

}