title: WebSocket works in localhost but not in 127.0.0.1
body: <p>I have a front-end thats should connect to back-end with a websocket</p>
  <pre><code>var socket = new WebSocket('ws://localhost:3000/api/online/call');
  </code></pre>
  <p>Also I trying create a connection with a SSL and using 127.0.0.1, like</p>
  <pre><code>...wss://localhost...
  ...ws://127.0.0.1...
  ...wss://127.0.0.1...
  </code></pre>
  <p>but none connect, always creating the websocket (using <code>new webSocket</code>) with readyState 3 (code to Closed connection).</p>
  <p>I developing in Ubuntu WSL on Windows 10 with disabled firewall.</p>
  <p>Can anyone help me to understand whats happening?</p>