letsencrypt免费https泛域名(*.yourdomain.com)证书申请

安装环境CentOS
*.example.com形式的域名即为泛域名,不通的子域名共用一个证书,省去多次申请的烦恼

1. 工具安装
安装最新的certbot
sudo yum install -y certbot
已安装cerbot,需升级至高版本
sudo yum update -y certbot

2. 证书申请
将*.yourdomain.com 替换成你的泛域名
运行命令:
sudo certbot certonly --preferred-challenges dns --manual -d *.yourdomain.com --server https://acme-v02.api.letsencrypt.org/directory
出现以下内容后,请在阿里云云解析中添加一条TXT解析记录

Please deploy a DNS TXT record under the name
_acme-challenge.yourdomain.com with the following value: 

xxxxx  

Before continuing, verify the record is deployed.

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转载自www.cnblogs.com/enumx/p/12304295.html