protected function _getNormalizeHostTarget() {
        $configHost = trim(Mage::getStoreConfig(
            'turpentine_vcl/normalization/host_target' ));
        if ($configHost) {
            return $configHost;
        } else {
            $baseUrl = parse_url(Mage::getBaseUrl());
            if (isset($baseUrl['port'])) {
                return sprintf('%s:%d', $baseUrl['host'], $baseUrl['port']);
            } else {
                return $baseUrl['host'];
            }
        }
    }