# https://discourse.nixos.org/t/nixos-on-linode/14825
    # Linode blocks all IPv6 traffic originating from your instance
    # except for traffic originating from your assigned address. If
    # you have temporary addresses enabled, traffic will originate
    # from them by default.
    tempAddresses = "disabled";

    passwordAuthentication = false;

    tempAddresses = "disabled";

    passwordAuthentication = false;

  services.openssh.enable = true;

  services.openssh = {
    enable = true;
    permitRootLogin = "no";
    passwordAuthentication = false;
  };

              ./nixpkgs/nixos/networking.nix