### ssl.intermediate.conf
### Needs nginx 1.16.1, OpenSSL 1.0.1
### Supports Firefox 27, Android 4.4.2, Chrome 31, Edge, IE 11 on Windows 7, Java 8u31, OpenSSL 1.0.1, Opera 20, and Safar 9
# sessions
ssl_session_cache shared:SSL:10m; # about 40000 sessions
ssl_session_timeout 10m;
ssl_session_tickets off;
# Diffie-Hellman parameter for DHE ciphersuites, recommended 2048 bits
ssl_dhparam /etc/nginx/dhparam.pem;
# intermediate configuration
ssl_protocols TLSv1.2;
ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
ssl_prefer_server_ciphers off;
# HSTS (ngx_http_headers_module is required)
add_header Strict-Transport-Security 'max-age=31536000; includeSubdomains; preload' always;