server {
    listen       ${NGINX_PORT} default_server;
    listen       ${NGINX_SSL_PORT} ssl default_server;
    server_name ${NGINX_HOST};
    ssl_certificate /etc/nginx/certs/req.pem;
    ssl_certificate_key /etc/nginx/certs/cert.key;

    ssl_protocols  TLSv1.2 TLSv1.3;  # don’t use SSLv3 ref: POODLE, nor TLSv1 / TLSv1.1
    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;

    ssl_dhparam /etc/nginx/certs/dhparams.pem; # Logjam

    ssl_session_timeout 1d;
    ssl_session_tickets off;
    ssl_session_cache shared:TLS:10m; # About 40k sessions

    # OCSP stapling
    ssl_stapling on;
    ssl_stapling_verify on;
    # Set HSTS to 365 days
    add_header Strict-Transport-Security 'max-age=31536000; includeSubDomains' always;

    # resolver 127.0.0.1;

    # DDoS
    client_body_buffer_size 1K;
    client_header_buffer_size 1k;
    client_max_body_size 1k;
    large_client_header_buffers 2 1k;

    location / {
        root   /var/www/html;
        index  index.html index.htm index.php;
    }
}