title: unable to register node to hub in selenium
body: <p>My <strong>hub is working successfully</strong> and running</p>
  
  <pre><code>    java -jar selenium-server-standalone-2.53.0.jar -role hub -port 5555
  </code></pre>
  
  <p>my node command                                                                </p>
  
  <pre><code>  java -jar selenium-server-standalone-2.53.0.jar -role webdriver –hub http://localhost:5555/gridhost/register -port 7621
  </code></pre>
  
  <p>but <strong>unable to  register my  node</strong> forbidden + for + proxy the hub is down or not responding</p>