NGINX HTTP/2

nginx.conf

# command to generate dhparams.pen
# openssl dhparam -out /etc/nginx/conf.d/dhparams.pem 2048

include /redirects.conf;

server {
        listen 80;
        listen [::]:80;

        access_log  off;
        error_log   off;
        
        server_name www.your-domain.com;
	
	return 301 https://www.your-domain.com$request_uri;
}

# from https://hstspreload.org/ fix
# you should have a :80 naked domain to redirect :443 naked domain
server {
        listen 80;
        listen [::]:80;

        access_log  off;
        error_log   off;

        server_name your-domain.com;

        return 301 https://your-domain.com$request_uri;
}

# from https://hstspreload.org/ fix
# you should preload a SSL naked domain instead of www subdomain
server {
	listen 443 ssl http2;
	listen [::]:443 ssl http2;
	
	access_log  off;
	error_log   off;
	
	server_name your-domain.com;
	
	ssl_certificate /etc/letsencrypt/live/your-domain.com/fullchain.pem; # managed by Certbot      
	ssl_certificate_key /etc/letsencrypt/live/your-domain.com/privkey.pem; # managed by Certbot
	
	include /etc/nginx/snippets/security-headers.conf;

        return 301 https://www.your-domain.com$request_uri;
}

server {

        listen 443 ssl http2;
        listen [::]:443 ssl http2;
	
	server_name www.your-domain.com;

        ssl_certificate /etc/letsencrypt/live/your-domain.com/fullchain.pem; # managed by Certbot
        ssl_certificate_key /etc/letsencrypt/live/your-domain.com/privkey.pem; # managed by Certbot
        # include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot	
	# ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot	
        
        # ---- START Configuration for improved security ---
        # @see https://ssl-config.mozilla.org/

        ssl_session_cache shared:le_nginx_SSL:50m;
        ssl_session_timeout 1d;
        ssl_session_tickets off;
        
        ssl_protocols TLSv1.2 TLSv1.3;
        ssl_prefer_server_ciphers on;

        ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;
 
        ssl_dhparam /etc/nginx/ssl/dhparam.pem;
        ssl_ecdh_curve secp384r1;

        # OCSP stapling
        ssl_stapling on;
        ssl_stapling_verify on;
        ssl_trusted_certificate /etc/letsencrypt/live/your-domain.com/chain.pem;
        resolver 8.8.8.8 8.8.4.4 valid=300s;
        resolver_timeout 5s;
        
        include /etc/nginx/snippets/security-headers.conf; 
	
	# ---- END Configuration for improved security --- 

        root /var/www/your_domain_com;
        index index.php index.html index.htm index.nginx-debian.html;
        
        access_log  /var/log/nginx/your-domain.com.access.log;
        error_log  /var/log/nginx/your-domain.com.error.log;

        if ( $redirect_uri ) {
          return 301 $redirect_uri;
        }

        error_page 404 /404.html;

        location / {
                try_files $uri $uri/ =404;
        }

        location ~ \.php$ {
                include snippets/fastcgi-php.conf;
                fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
        }

        # Browser Caching https://gist.github.com/philipstanislaus/654adafad91efb6de230845b5bdeae61

	location ~* \.(?:css|js|html)$ {
            	access_log        off;
            	log_not_found     off;
            	expires           7d;
            	add_header        Cache-Control "public, no-transform";
        	include /etc/nginx/snippets/security-headers.conf;
	}

        location ~* \.(?:jpg|jpeg|gif|png|ico|xml|pdf|ppt|pptx|doc|docx|txt|bmp|rtf|svg)$ {
		access_log        off;
		log_not_found     off;
		expires           30d;
		add_header        Cache-Control "public";
		include /etc/nginx/snippets/security-headers.conf;
	}

        location ~* \.(?:eot|woff|woff2|ttf|otf) {
        	access_log        off;
        	log_not_found     off;
        	expires           30d;
        	add_header        Cache-Control "public";
        	add_header        Access-Control-Allow-Origin *;
		include /etc/nginx/snippets/security-headers.conf;

        	types     {font/opentype otf;}
        	types     {application/vnd.ms-fontobject eot;}
        	types     {font/truetype ttf;}
        	types     {application/font-woff woff;}
        	types     {font/x-woff woff2;}
        }

        location ~ /\. {
        	access_log        off;
        	log_not_found     off;
        	deny              all;
        }

}

redirects.conf

map $request_uri $redirect_uri {
    /old_uri /new_uri;
    /old_uri_v2 /new_uri_v2;
}

security-headers.conf

# Strict Transport Security Header
add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
add_header X-Frame-Options DENY;
add_header X-Content-Type-Options nosniff;