devos/profiles/ssh/default.nix

{ ... }: {
  services.openssh = {
    enable = true;
    forwardX11 = true;
    permitRootLogin = "no";
    startWhenNeeded = true;
    openFirewall = true;
    passwordAuthentication = false;
  };
  nix.allowedUsers = [
    "nix-ssh"
  ];
}