title: SQLSTATE[08006] [7] expected authentication request from server, but received _
body: <p>I configured my application (laravel 5.3) with travis-ci to work with postgresql database, but I got error in matrix build:</p>
  
  <pre><code>SQLSTATE[08006] [7] expected authentication request from server, but received _
  </code></pre>
  
  <p>I tried to change pgsql version to 9.4, with no success.</p>
  
  <p>When SSL Mode is set to "prefer", build throws:</p>
  
  <pre><code>SQLSTATE[08006] [7] received invalid response to SSL negotiation: _
  </code></pre>
  
  <p>On mysql driver works fine and build passes.
  Personally, I prefer postgresql rather than mysql, so I asking for help how to resolve this problem.</p>
  
  <p>Thanks.</p>