解决证书过期造成浏览器访问问题

Chrome 浏览器 NET::ERR_SSL_OBSOLETE_VERSION 原因及解决方法

# 错误信息：

Your connection is not fully secure

This site uses an outdated security configuration, which may expose your information (for example, passwords, messages, or credit cards) when it is sent to this site.
NET::ERR_SSL_OBSOLETE_VERSION
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The connection used to load this site used TLS 1.0 or TLS 1.1, which are deprecated and will be disabled in the future. Once disabled, users will be prevented from loading this site. The server should enable TLS 1.2 or later.

原因：

服务器使用了TLS1.0 或 TLS1.1 版本，没有使用 TLS1.2

解决方法：

去除告警

• chrome://flags/#legacy-tls-enforced
• Change the setting for “Enforce deprecation of legacy TLS versions” from ‘Default’ to ‘Disabled’
• Restart Chrome

参考： https://blog.csdn.net/qq_17130945/article/details/107688714