Webhost防火墙阻止paypal ipn ssl？

Question

错误日志：

[07-Mar-2016 23:26:23 Europe/Moscow] PHP Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/domeofli/public_html/test/payments.php on line 81 
[07-Mar-2016 23:26:23 Europe/Moscow] PHP Warning: fsockopen(): unable to connect to ssl://www.paypal.com:443 (php_network_getaddresses: getaddrinfo failed: Name or service not known) in /home/domeofli/public_html/test/payments.php on line 81 
[07-Mar-2016 23:30:40 Europe/Moscow] PHP Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/domeofli/public_html/test/payments.php on line 81 
[07-Mar-2016 23:30:40 Europe/Moscow] PHP Warning: fsockopen(): unable to connect to ssl://www.paypal.com:443 (php_network_getaddresses: getaddrinfo failed: Name or service not known) in /home/domeofli/public_html/test/payments.php on line 81 

81号线：

$fp = fsockopen ('ssl://www.paypal.com', 443, $errno, $errstr, 30); 

所以，你有什么感想？它可能是我的狡猾的网络主机（这是非常狡猾的，我只是在这里每年5美元的低价格大声笑），我测试了我的脚本大约5-10次，只有一次我的信息被发送到数据库中5分钟后）。

谢谢。

Answer 1

必须安装OpenSSL库才能打开ssl：// URL。用phpinfo（）调用进行检查。