使用Let’s Encrypt 配置免费HTTPS通配符证书

安装certbot https://certbot.eff.org/lets-encrypt/centosrhel7-nginx 执行 certbot certonly -d *.xxx.com -d xxx.com –manual –preferred-challenges dns –server https://acme-v02.api.letsencrypt.org/directory 提示信息 NOTE: The IP of this machine will be publicly logged as having requested this c…