# File lib_ctrl/rucy/params.rb, line 32
    def save(properties)
      if (@params['admin_user'].nil? || @params['admin_user'].empty? ||
          @params['admin_password'].nil? || @params['admin_password'].empty?)
      then
        @params['localhost_only'] = true
      end
      properties.set_params(@params)
      nil
    end