title: Eclipse configuration proxy Authentication required
body: <p>I work with eclipse and I want to install the update </p>
  
  <pre><code>http://download.eclipse.org/tools/gef/updates-pre-3_8/releases/content.xml
  </code></pre>
  
  <p>I have a proxy .</p>
  
  <p>My network connections configuration is</p>
  
  <p><a href="https://i.stack.imgur.com/hlewu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/hlewu.png" alt="enter image description here"></a></p>
  
  <p>When I execute Help->Search updates</p>
  
  <p>I get the error</p>
  
  <pre><code>HTTP Authentication proxy required http://download.eclipse.org/tools/gef/updates-pre-3_8/releases/content.xml
  </code></pre>
  
  <p>How do I have to configure the proxy?</p>