Merge branch 'FearlessKiwis-MAGETWO-54717-end-of-file-message-on-system-upgrade-login' into develop-PR

Author: cpartica

lib/internal/Magento/Framework/HTTP/Client/Curl.php

@@ -12,6 +12,12 @@
  */
 class Curl implements \Magento\Framework\HTTP\ClientInterface
 {
+    /**
+     * Max supported protocol by curl CURL_SSLVERSION_TLSv1_2
+     * @var int
+     */
+    private static $sslVersion = 6;
+
     /**
      * Hostname
      * @var string
@@ -374,6 +380,7 @@ protected function makeRequest($method, $uri, $params = [])
         //$this->curlOption(CURLOPT_HEADER, 1);
         $this->curlOption(CURLOPT_RETURNTRANSFER, 1);
         $this->curlOption(CURLOPT_HEADERFUNCTION, [$this, 'parseHeaders']);
+        $this->curlOption(CURLOPT_SSLVERSION, self::$sslVersion);
 
         if (count($this->_curlUserOptions)) {
             foreach ($this->_curlUserOptions as $k => $v) {