server {
listen 443 ssl http2;
- ssl on;
ssl_session_timeout 5m;
ssl_trusted_certificate /etc/letsencrypt/live/example.tld/fullchain.pem;
ssl_certificate /etc/letsencrypt/live/example.tld/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/example.tld/privkey.pem;
+ # Add TLSv1.0 to support older devices
ssl_protocols TLSv1.2;
# Uncomment line below if you want to support older devices (Before Android 4.4.2, IE 8, etc.)
# ssl_ciphers "HIGH:!aNULL:!MD5 or HIGH:!aNULL:!MD5:!3DES";
ssl_ciphers "ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";
ssl_prefer_server_ciphers on;
+ # In case of an old server with an OpenSSL version of 1.0.2 or below,
+ # leave only prime256v1 or comment out the following line.
ssl_ecdh_curve X25519:prime256v1:secp384r1:secp521r1;
ssl_stapling on;
ssl_stapling_verify on;
add_header X-Content-Type-Options nosniff;
add_header Referrer-Policy same-origin;
add_header X-Download-Options noopen;
+ add_header Content-Security-Policy "default-src 'none'; base-uri 'self'; form-action 'self'; img-src 'self' data: https:; media-src 'self' https:; style-src 'self' 'unsafe-inline'; font-src 'self'; script-src 'self'; connect-src 'self' wss://example.tld; upgrade-insecure-requests;";
# Uncomment this only after you get HTTPS working.
# add_header Strict-Transport-Security "max-age=31536000; includeSubDomains";