title: Putty server unexpectedly closed network connection
body: <p>I'm getting this error when using Putty:</p>
  
  <blockquote>
    <p>Server unexpectedly closed network connection</p>
  </blockquote>
  
  <p>I think there is a problem with the network in my office because all computers at my work workplace have the same problem. How can I fix this?</p>