title: Can confluent control center web UI be remoted?
body: <ol>
  <li>I installed confluent-5.1.0 on my <strong>gcp instance</strong> using the following commands:</li>
  </ol>
  
  <pre><code>$ curl -O http://packages.confluent.io/archive/5.1/confluent-5.1.0-2.11.tar.gz
  
  $ tar xzvf confluent-5.1.0-2.11.tar.gz
  
  $ confluent-5.1.0/bin/confluent start
  </code></pre>
  
  <ol start="2">
  <li>Add line to <code>/confluent-5.1.0/etc/confluent-control-center/control-center.properties</code>:</li>
  </ol>
  
  <pre><code>confluent.controlcenter.rest.listeners = http://&lt;instance-external-ip&gt;:9021
  </code></pre>
  
  <p>But can't connect to web UI by <code>http://&lt;instance-external-ip&gt;:9021</code></p>
  
  <p>Can some one help me? really appreciate!</p>