一、基本环境
1、安装依赖
yum install openssl
yum install epel-release -y
2、生成2048位 DH parameters:
$ sudo openssl dhparam -out /etc/letsencrypt/live/dhparams.pem 2048
3、安装cerbot工具
wget https://dl.eff.org/certbot-auto
chmod a+x certbot-auto(赋予执行权限)
二、DNS指向及域名的http服务
三、域名验证
1、nginx配置文件
location /.well-known/acme-challenge/ {
allow all;
}
2、生成证书,以下命令首次执行需要安装一些依赖包
sudo /usr/sbin/certbot-auto certonly --webroot -w /home/wwwroot/www.pgkid.com/public -d www.pgkid.com,pgkid.com --email zjiphp@163.com
第一次执行不建议自动确认参数 --agree-tos
3、如果使用apache,移除apache的干扰
mv /etc/httpd/conf.d/ssl.conf /etc/httpd/conf.d/ssl.conf.org
service httpd restart
4、修改配置nginx文件
if ($scheme = http) {
#return 301 https://$server_name$request_uri; (强制跳转)
}
location ~ /.well-known {
allow all;
}
listen 443 ssl;
ssl_certificate /etc/letsencrypt/live/hs.123.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/hs.123.com/privkey.pem;
ssl on;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA';
ssl_prefer_server_ciphers on;
ssl_session_cache shared:SSL:20m;
ssl_session_timeout 20m;
ssl_dhparam /etc/letsencrypt/live/dhparams.pem;
5、nginx重新加载
nginx -s reload
6、打开防火墙端口
firewall-cmd --zone=public --add-port=443/tcp firewall-cmd --zone=public --add-port=443/tcp --permanent firewall-cmd --list-all 查看效果
7、浏览器测试
8、证书自动更新
* * */5 * * /home/ssl/certbot-auto renew --quiet > /dev/null 2>&1 ; /usr/local/nginx/sbin/nginx -s reload
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