{ lib, ... }: let
  sshOptions = {
    PermitRootLogin = "no";
    PasswordAuthentication = "no";
  };
in {
  services.openssh = {
    enable = true;
    extraConfig = sshOptions
      |> lib.mapAttrsToList (name: value: "${name} ${value}")
      |> lib.concatStringsSep "\n";
  };
}