NGINX config for SSL with Let's Encrypt certs

nginx.conf

# Advanced config for NGINX
	server_tokens off;
	add_header X-XSS-Protection "1; mode=block";
	add_header X-Content-Type-Options nosniff;

# Redirect all HTTP traffic to HTTPS
server {
   listen 80;
   	server_name www.domain.com domain.com;
   	return 301 https://$host$request_uri;
}

# SSL configuration
server {
   listen 443 ssl http2;
   listen [::]:443 ssl http2;
   server_name www.domain.com domain.com;
	ssl_certificate      /etc/letsencrypt/live/www.domain.com/fullchain.pem;
    	ssl_certificate_key  /etc/letsencrypt/live/www.domain.com/privkey.pem;
  
  	# Improve HTTPS performance with session resumption
	ssl_session_cache shared:SSL:50m;
	ssl_session_timeout 1d;
	ssl_session_tickets off;

	# Enable server-side protection against BEAST attacks
  	ssl_prefer_server_ciphers on;
	ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS';
  		
  	# Disable SSLv3
  	ssl_protocols TLSv1 TLSv1.1 TLSv1.2;

    	# Diffie-Hellman parameter for DHE ciphersuites
        # $ sudo openssl dhparam -out /etc/ssl/certs/dhparam.pem 4096
    	ssl_dhparam /etc/ssl/certs/dhparam.pem;

	# Enable HSTS (https://developer.mozilla.org/en-US/docs/Security/HTTP_Strict_Transport_Security)
	 add_header Strict-Transport-Security "max-age=31536000; includeSubdomains; preload";

  	# Enable OCSP stapling (http://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox)
  	ssl_stapling on;
  	ssl_stapling_verify on;
  	ssl_trusted_certificate /etc/letsencrypt/live/www.domain.com/fullchain.pem;
  	resolver 8.8.8.8 8.8.4.4 valid=300s;
  	resolver_timeout 5s;

# Required for LE certificate enrollment using certbot
   location '/.well-known/acme-challenge' {
	default_type "text/plain";
	root /var/www/html;
   }
   location / {
	root /var/www/html;
   }
}