title: unable to restart iptables from ansible ( Interactive authentication required)
body: <p>How to restart iptables service from Ansible (in order to reload config file <code>/etc/sysconfig/iptables</code>)</p>
  
  <p>I have handler <code>restart iptables</code> defined as</p>
  
  <pre><code>service: name=iptables enabled=yes state=restarted
  </code></pre>
  
  <p>But it produces following error message:</p>
  
  <blockquote>
    <p>fatal: [xx.xx.xx.xx]: FAILED! => {"changed": false, "failed": true,
    "msg": "Failed to stop iptables.service: Interactive authentication
    required.\n Failed to start iptables.service: Interactive
    authentication required.\n"}</p>
  </blockquote>
  
  <p>I am working with <code>CentOS Linux release 7.2.1511 (Core)</code></p>