title: How to fix DeprecationWarning: Buffer() is deprecated due to security and usability issues
body: <p>I am trying to run angular7 universal application on Window 10 computer, I have used <a href="https://angular.io/guide/universal" rel="nofollow noreferrer">https://angular.io/guide/universal</a> post for setup and I am getting following issue.</p>
  
  <p><a href="https://i.stack.imgur.com/KsBvE.png" rel="nofollow noreferrer">enter image description here</a>
  <a href="https://i.stack.imgur.com/sfb62.png" rel="nofollow noreferrer">enter image description here</a>
  And <a href="http://localhost:4000/" rel="nofollow noreferrer">http://localhost:4000/</a> is not loading at my end.</p>
  
  <p>Thanks</p>