{
  users.users.kamen = {
    isNormalUser = true;
    homeMode = "700";
  };

  services.vsftpd = {
    localUsers = true;
    userlistEnable = true;
    userlist = [ "kamen" ];
    userlistDeny = false;
  };

  # https://github.com/NixOS/nixpkgs/issues/515531#issuecomment-4367747991
  security.pam.services.vsftpd.enable = true;
}