Another option is to buy your own SSL certificate.
另一种选择是你自己买的ssl证书。
You assume right that you'll need an SSL certificate first.
你认为正确的，你需要一个SSL证书。
Is it possible to buy new SSL certificate and not renew the old one?
有可能购买新的SSL证书而不是更新旧的？
The SSL certificate system has been under significant attack recently.
SSL证书系统已受到严重的攻击最近。
SSL can send a security certificate, which the other party can accept or reject.
SSL可以发送安全证书，对方可以接受或拒绝该安全证书。
SSL can send a security certificate, which the other party can accept or reject.
SSL可以发送安全证书，对方可以接受或拒绝该安全证书。
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