email-toolbox-wiki/under construction/Nginx-webserver-100%-example-config.md

Ngnix example configuration

This example configuration was created by SIDN Labs and show how to configure Ngnix in order to score 100% in the Website test on Internet.nl.

Assumptions

• DNSSEC is used
• IPv6 is used

Configuring Ngnix

server_tokens off;
add_header X-Frame-Options SAMEORIGIN;
add_header X-Content-Type-Options nosniff;
add_header X-XSS-Protection "1; mode=block";
add_header Strict-Transport-Security "max-age=31536000" always;
add_header Content-Security-Policy "default-src 'self'; frame-ancestors 'none'" always;
add_header Referrer-Policy "strict-origin" always;
 
ssl_stapling on;
ssl_stapling_verify on;
ssl_trusted_certificate /etc/letsencrypt/live/example.nl/fullchain.pem;

# Rate limiting 20 requests/s
limit_req_zone $binary_remote_addr zone=mylimit:10m rate=20r/s;
 
# http://example.nl -> https://example.nl
server {
    listen 80;
    listen [::]:80;
    server_name example.nl;
 
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }
 
    location / {
        return 301 https://example.nl$request_uri;
    }
}
 
# http://(www|api).example.nl -> https://(www|api).example.nl
server {
    listen 80;
    listen [::]:80;
    server_name www.example.nl api.example.nl;
 
    return 301 https://$host$request_uri;
}
 
# https://example.nl -> https://www.example.nl
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name example.nl;
 
    ssl_certificate /etc/letsencrypt/live/example.nl/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/example.nl/privkey.pem;
 
    ssl_session_cache shared:SSL:50m;
    ssl_session_timeout 1d;
    ssl_session_tickets on;
 
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
 
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDH+AESGCM:ECDH+AES256:ECDH+AES128:DH+3DES:!ADH:!AECDH:!MD5;
    ssl_prefer_server_ciphers on;
 
    return 301 https://www.$host$request_uri;
}
 
# serve https://(www|api).example.nl
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name www.example.nl api.example.nl;
 
    ssl_certificate /etc/letsencrypt/live/example.nl/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/example.nl/privkey.pem;
 
    ssl_session_cache shared:SSL:50m;
    ssl_session_timeout 1d;
    ssl_session_tickets on;
 
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
 
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDH+AESGCM:ECDH+AES256:ECDH+AES128:DH+3DES:!ADH:!AECDH:!MD5;
    ssl_prefer_server_ciphers on;
 
    # Example location for a Flask application running on port 8080
    location / {
        limit_req zone=mylimit burst=100 nodelay;
 
        include uwsgi_params;
        uwsgi_pass flask:8080;
        uwsgi_ignore_client_abort on;
    }
}