# A restrictive default virtualhost configuration.
# Provides HTTPs with a self-signed certificate.

# The STS header should only be sent over https.
map $scheme $hsts_header { https "max-age=31536000; includeSubDomains"; }

server {
    listen 80 default_server;
    listen 443 ssl default_server;

    server_name _;

    root /var/www/html;
    index index.html index.htm index.nginx-debian.html;

    location / {
        types { } default_type text/html;
        return 404 "<span style='font-size: large'>$hostname</span>";
    }

    ##################################################################################
    # The SSL part
    # https://ssl-config.mozilla.org/
    # https://community.letsencrypt.org/t/howto-a-with-all-100-s-on-ssl-labs-test-using-nginx-mainline-stable/55033

    ssl_certificate     /etc/ssl/certs/ssl-cert-snakeoil.pem;
    ssl_certificate_key /etc/ssl/private/ssl-cert-snakeoil.key;

    # Settings to achieve 'A' grade on https://www.ssllabs.com/ssltest/
    ssl_session_timeout 1440m;
    ssl_session_tickets off;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers off;
    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:ECDHE-RSA-AES128-SHA";

    # Activate it only in case of stable HTTPs service.
#   more_set_headers "Strict-Transport-Security: $hsts_header";
#   ssl_stapling on;
#   ssl_stapling_verify on;

}