SSL settings for Nginx

ssl.conf

server {
    listen 443 http2 ssl;
    listen [::]:443 http2 ssl;

    server_name server_IP_address;

    ssl_certificate /etc/ssl/certs/nginx-selfsigned.crt;
    ssl_certificate_key /etc/ssl/private/nginx-selfsigned.key;
    ssl_dhparam /etc/ssl/certs/dhparam.pem;

    ########################################################################
    # from https://cipherli.st/                                            #
    # and https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html #
    ########################################################################

    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_prefer_server_ciphers on;
    ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH";
    ssl_ecdh_curve secp384r1;
    ssl_session_cache shared:SSL:10m;
    ssl_session_tickets off;
    ssl_stapling on;
    ssl_stapling_verify on;
    resolver 8.8.8.8 8.8.4.4 valid=300s;
    resolver_timeout 5s;
    # Disable preloading HSTS for now.  You can use the commented out header line that includes
    # the "preload" directive if you understand the implications.
    #add_header Strict-Transport-Security "max-age=63072000; includeSubdomains; preload";
    add_header Strict-Transport-Security "max-age=63072000; includeSubdomains";
    add_header X-Frame-Options DENY;
    add_header X-Content-Type-Options nosniff;

    ##################################
    # END https://cipherli.st/ BLOCK #
    ##################################
}