December 21, 2015

SSL安全优化

先贴出本站的SSL安全评级,测试地址为https://www.ssllabs.com/ssltest/analyze.html?d=alair.cn 以下是本站Nginx配置中关于SSL部分 listen 443 ssl http2; ssl_certificate /etc/letsencrypt/live/alair.cn/fullchain.pem; ssl_certificate_key /etc/letsencrypt/live/alair.cn/privkey.pem; ssl_session_timeout 60m; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; ssl_ciphers ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-RC4-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:RC4-SHA:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!DSS:!PKS; ssl_prefer_server_ciphers on; ssl_session_cache builtin:1000 shared:SSL:10m; ssl_dhparam /etc/ssl/certs/dhparam.pem; ssl_stapling on; ssl_stapling_verify on; add_header Strict-Transport-Security "max-age=63072000; includeSubdomains; preload"; add_header X-Frame-Options "DENY"; 说明: dhparam.pem可以使用openssl dhparam -out dhparam.pem 4096命令生成,这个命令会执行很长时间,也可以将字节数改为2048

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