Let's Encrypt Cert 有效，但仍然不安全
[英]Let's Encrypt Cert is valid, but it still is not secure
问题描述
I've a couple of ASP.net websites hosted on Azure and I've installed Let's Encrypt Cert for them.
我在 Azure 上托管了几个 ASP.net 网站，并且我已经为它们安装了 Let's Encrypt Cert。 When accessing one of them, although it has a valid Let's Encrypt certificate, on some customers' machines it syas the connection is not secure.在访问其中一个时，尽管它具有有效的 Let's Encrypt 证书，但在某些客户的机器上，它显示连接不安全。 The ceriticate is definietly valid but Chrome,Firefox and Edge all say it's not secure:该证书绝对有效，但 Chrome、Firefox 和 Edge 都表示它不安全：
What can cause this?什么会导致这种情况？ The machine date/time is current.机器日期/时间是当前的。
The website is secure if I check it on another machine.如果我在另一台机器上检查该网站是安全的。
1 个解决方案
解决方案1
0 2021-12-06 09:45:54
According to this post: https://docs.certifytheweb.com/docs/kb/kb-202109-letsencrypt/ R3 intermediate CA was expired on September, maybe some of the clients' trusted CAs are updated and revoked that intermediate CA.根据这篇文章： https://docs.certifytheweb.com/docs/kb/kb-202109-letsencrypt/ R3 中间 CA 已于 9 月到期，可能一些客户的受信任 CA 已更新并撤销了该中间 CA。
You can use this website to validate this: https://docs.certifytheweb.com/docs/kb/kb-202109-letsencrypt/您可以使用此网站进行验证： https://docs.certifytheweb.com/docs/kb/kb-202109-letsencrypt/
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