title: Codeception - WebDriverCurlException
body: <p>I just started using Codeception, I'm trying to use WebDriver, but I keep getting this error message "Curl error thrown for http POST to <a href="http://127.0.0.1:4444/wd/hub/session" rel="nofollow">http://127.0.0.1:4444/wd/hub/session</a> with params: {"desiredCapabilities":{"browserName":"firefox"}}<br>
    couldn't connect to host". I've started server with
  java -jar selenium-server-standalone-2.45.0.jar. 
  I'm running Codeception on Vagrant. Can somebody help? </p>