{
  host,
  options,
  ...
}: {
  # Enable networking
  networking = {
    nameservers = ["194.242.2.4" "217.12.221.61" "2a07:e340::4"];
    networkmanager.enable = true;
    hostName = host;
    timeServers = options.networking.timeServers.default ++ ["pool.ntp.org"];
  };

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;
}