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nginx secure config
server {
listen 443 default_server;
root /var/www/web;
# Only return Nginx in server header
server_tokens off;
ssl on;
ssl_certificate /etc/nginx/ssl/server.pem;
ssl_certificate_key /etc/nginx/ssl/server.key;
# POODLE protection
## Remove SSLv3 and SSLv2
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
# Best ratio Security/Accessibility
ssl_ciphers CDHE-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: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;
# LOGJAM protection
## All TLS accepted, EECDH/EDH key exchange ciphers, force cipher order and use of 4096-bits group DH
ssl_prefer_server_ciphers on;
ssl_dhparam /etc/ssl/certs/dhparam.pem;
# BREACH protection
## Disable of SSL compression
gzip off;
# Security headers
add_header Strict-Transport-Security "max-age=15552001; includeSubdomains; preload";
etag off;
more_clear_headers 'ETag';
add_header X-Frame-Options "SAMEORIGIN";
add_header X-Content-Type-Options nosniff;
add_header X-XSS-Protection "1; mode=block";
add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://ssl.google-analytics.com https://assets.zendesk.com https://connect.facebook.net; img-src 'self' https://ssl.google-analytics.com https://s-static.ak.facebook.com https://assets.zendesk.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://assets.zendesk.com; font-src 'self' https://themes.googleusercontent.com; frame-src https://assets.zendesk.com https://www.facebook.com https://s-static.ak.facebook.com https://tautt.zendesk.com; object-src 'none'";
# Enable SSL session caching for improved performance
# http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_session_cache
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 10m;
# By default, the buffer size is 16k, which corresponds to minimal overhead when sending big responses.
# To minimize Time To First Byte it may be beneficial to use smaller values
ssl_buffer_size 8k;
# OCSP Stapling
ssl_stapling on;
ssl_stapling_verify on;
}
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