Nginx SSL性能优化参数

ssl on;
ssl_certificate /data/www/ssl/ssl.crt;
ssl_certificate_key /data/www/ssl/ssl.key;
ssl_trusted_certificate /data/www/ssl/trustchain.crt;
ssl_session_timeout 1d;
ssl_session_cache shared:SSL:10m;
ssl_session_tickets off;
ssl_dhparam /etc/ssl/certs/dhparam.pem;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
ssl_prefer_server_ciphers on;
ssl_stapling on;
ssl_stapling_verify on;
add_header Strict-Transport-Security "max-age=31536000";
resolver 223.5.5.5 223.6.6.6 valid=300s;
resolver_timeout 10s;

error_page 497 https://$host$request_uri;

我们需要生成一个更强壮的 DHE 参数：

cd /etc/ssl/certs
openssl dhparam -out dhparam.pem 4096

然后告诉 nginx 将其用作 DHE 密钥交换：

ssl_dhparam /etc/ssl/certs/dhparam.pem;