# environment.systemPackages = with pkgs; [
  #   vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
  #   wget
  #   firefox
  # ];

  environment.systemPackages = with pkgs; [
    iperf
  ];

  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];

  networking.firewall.allowedTCPPorts = [
    5201 # iperf
  ];
  networking.firewall.allowedUDPPorts = [
    5201 # iperf
  ];