title: Why am I getting "Received fatal alert: protocol_version" or "peer not authenticated" from Maven Central?
body: <p>I'm getting the below errors when connecting to Maven Central / <a href="https://repo1.maven.org" rel="noreferrer">https://repo1.maven.org</a> after June 18th 2018.</p>
  
  <pre><code>Received fatal alert: protocol_version
  </code></pre>
  
  <p>or</p>
  
  <pre><code>Received fatal alert: peer not authenticated
  </code></pre>