title: Err_Connection_Refused after modifying Varnish default file
body: <p>I have properly installed varnish 4. Varnish is on port 80 while apache on port 8080.</p>
  
  <p>After editing <code>/etc/varnish/default.vcl</code> and inside <code>sub vcl_backend_response</code> writting to cache static files:</p>
  
  <pre><code>if (bereq.url ~ “(woff|woff2|jpg|jpeg|png|gif|css|js|less)”) {
  set beresp.ttl = 3600s;
  }
  </code></pre>
  
  <p>I get Err_Connection_Refused</p>
  
  <p>I don't understand what I have done wrong?</p>