protected function getSimpleAuthenticationUrl(
        $action,
        \FACTFinder\Util\Parameters $parameters
    ) {
        $configuration = $this->configuration;

        $ts = time() . '000'; //milliseconds needed but won't be considered
        $authenticationParameters = "timestamp=" . $ts
                        . '&username=' . $configuration->getUserName()
                        . '&password=' . md5($configuration->getPassword());

        $url = $this->buildAddress($action)
             . '?' . $parameters->toJavaQueryString()
             . (count($parameters) ? '&' : '') . $authenticationParameters;

        $this->log->info("Request Url: " . $url);
        return $url;
    }