如何使用nginx安装letsencrypt证书？

Question

我已经使用letsencrypt为ubuntu上的最新nginx安装了SSL证书.设置很好,除了以下情况外,效果很好:

我不太了解SSL以了解发生了什么,但我怀疑:我已经为Apache安装了SSL证书了一段时间,刚刚转移到Nginx,因为它支持http/2.由于nginx插件不稳定但我必须自己安装证书,这就是我所做的:

在我的nginx config(/etc/nginx/conf/default.conf)中,我添加了:

server {
    listen       80;
    server_name  [domain];
    return 301   https://$host$request_uri;
}

server {
    listen       443 http2;
    listen       [::]:443 http2;
    server_name  [domain];

    ssl on;
    ssl_certificate /etc/letsencrypt/live/[domain]/cert.pem;
    ssl_certificate_key /etc/letsencrypt/live/[domain]/privkey.pem;
}

是否有可能以某种方式打破链条？这里的正确方法是什么？

多谢你们

Answer 1

1)对于强大的Diffie-Hellman并避免Logjam攻击,请参阅这本伟大的手册.

您需要使用这些指令扩展您的nginx配置(在您生成dhparams.pem文件之后):

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_dhparam /etc/nginx/ssl/dhparams.pem;

2)对于正确的证书链使用fullchain.pem,而不是cert.pem,请参阅这个很棒的教程了解详细信息.

你会得到A级:)

3)作为奖金尝试这项伟大的服务:

"生成Mozilla安全建议的Web服务器配置文件".