生成证书 【此处流水账摘自官方文档https://developers.cloudflare.com/ssl/client-certificates/generate-client-certificate 推荐将证书保存为domain.pem、私钥保存为domain.key 选择开启校验的host 请看官方文档https://developers.cloudflare.com/ssl/client-certificates cert_convert.html https://blog.freessl.cn/ssl-cert-format-introduce/ https://developers.cloudflare.com/ssl/client-certificates