Let's Encrypt生成免费HTTPS证书

前言

如今随着HTTPS的推广普及趋势日益明显；而无HTTPS情况下，则如同网站在互联网中没有任何保障般运行；其受到威胁程度完全取决于黑客的操作意愿；然而一个HTTPS的成本对于普通用户来说实在高昂；值得注意的是阿里云提供了一种免费解决方案；但该方案仅限于特定类型域名的应用场景，并非所有域名都能适用；这种持续的成本负担使得日常维护异常繁琐；其运维模式存在明显的缺陷；唯一能够满足需求并确保安全稳定的途径便是获取Let’s Encrypt颁发的有效数字签名认证

Let’s Encrypt 官网: https://letsencrypt.org/

Let’s Encrypt serves as an authority issuing digital certificates, which enables it organizations to issue root and wildcard domain certificates. A notable drawback is that the duration of certificate validity is relatively short, lasting only 3 months. However, an official solution has been proposed to address this