title: How to solve chrome ERR_DISALLOWED_URL_SCHEME when opening wss protocol？
body: <p>I run node cli <code>node --inspect start/server</code></p>
  <p>Which <code>start/server</code> is a koa2 webserver.</p>
  <p>and then I got:</p>
  <pre><code>Debugger listening on ws://127.0.0.1:9229/3323c837-cc74-4897-af12-8fccc9d709c1
  </code></pre>
  <p>I got bellow in chrome when I input ws url:</p>
  <pre><code>ws://127.0.0.1:9229/3323c837-cc74-4897-af12-8fccc9d709c1:1 GET ws://127.0.0.1:9229/3323c837-cc74-4897-af12-8fccc9d709c1 net::ERR_DISALLOWED_URL_SCHEME
  </code></pre>
  <p>How can I solve the <code>net::ERR_DISALLOWED_URL_SCHEME</code>?</p>