ynn的开源项目
本系统基于 ACME 协议（兼容 Let's Encrypt 等 CA），将证书的申请、验证、签发、续签、吊销、导出等环节整合为一个 Web 管理平台。用户只需输入域名、选择验证方式，即可在几分钟内完成证书签发，并一键导出适配 Nginx、Apache、Tomcat、IIS 的证书文件。
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