protected function defaultCurlOptions()
    {
        $this->curlOptions[CURLOPT_CONNECTTIMEOUT] = 30;
        $this->curlOptions[CURLOPT_TIMEOUT] = 30;
        $this->curlOptions[CURLOPT_HEADER] = true;
        $this->curlOptions[CURLOPT_RETURNTRANSFER] = true;
        $this->curlOptions[CURLOPT_USERAGENT] = "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)";
        $this->curlOptions[CURLOPT_FOLLOWLOCATION] = true;
        $this->curlOptions[CURLOPT_SSL_VERIFYHOST] = false;
        $this->curlOptions[CURLOPT_SSL_VERIFYPEER] = false;
    }