48 lines
3.5 KiB
Nginx Configuration File
48 lines
3.5 KiB
Nginx Configuration File
# Protect against the BEAST and POODLE attacks by not using SSLv3 at all. If you need to support older browsers (IE6) you may need to add
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# SSLv3 to the list of protocols below.
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ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
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# Ciphers set to best allow protection from Beast, while providing forwarding secrecy, as defined by Mozilla (Intermediate Set) - https://wiki.mozilla.org/Security/Server_Side_TLS#Nginx
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ssl_ciphers ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS;
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ssl_prefer_server_ciphers on;
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# Optimize SSL by caching session parameters for 10 minutes. This cuts down on the number of expensive SSL handshakes.
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# The handshake is the most CPU-intensive operation, and by default it is re-negotiated on every new/parallel connection.
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# By enabling a cache (of type "shared between all Nginx workers"), we tell the client to re-use the already negotiated state.
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# Further optimization can be achieved by raising keepalive_timeout, but that shouldn't be done unless you serve primarily HTTPS.
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ssl_session_cache shared:SSL:10m; # a 1mb cache can hold about 4000 sessions, so we can hold 40000 sessions
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ssl_session_timeout 24h;
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# SSL buffer size was added in 1.5.9
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#ssl_buffer_size 1400; # 1400 bytes to fit in one MTU
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# Session tickets appeared in version 1.5.9
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#
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# nginx does not auto-rotate session ticket keys: only a HUP / restart will do so and
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# when a restart is performed the previous key is lost, which resets all previous
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# sessions. The fix for this is to setup a manual rotation mechanism:
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# https://trac.nginx.org/nginx/changeset/1356a3b9692441e163b4e78be4e9f5a46c7479e9/nginx
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#
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# Note that you'll have to define and rotate the keys securely by yourself. In absence
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# of such infrastructure, consider turning off session tickets:
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#ssl_session_tickets off;
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# Use a higher keepalive timeout to reduce the need for repeated handshakes
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keepalive_timeout 300s; # up from 75 secs default
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# HSTS (HTTP Strict Transport Security)
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# This header tells browsers to cache the certificate for a year and to connect exclusively via HTTPS.
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#add_header Strict-Transport-Security "max-age=31536000" always;
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# This version tells browsers to treat all subdomains the same as this site and to load exclusively over HTTPS
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#add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
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# This version tells browsers to treat all subdomains the same as this site and to load exclusively over HTTPS
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# Recommend is also to use preload service
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#add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
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# This default SSL certificate will be served whenever the client lacks support for SNI (Server Name Indication).
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# Make it a symlink to the most important certificate you have, so that users of IE 8 and below on WinXP can see your main site without SSL errors.
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#ssl_certificate /etc/nginx/default_ssl.crt;
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#ssl_certificate_key /etc/nginx/default_ssl.key;
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# Consider using OCSP Stapling as shown in ssl-stapling.conf
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