server { server_name example.tld; listen 80; listen [::]:80; location / { return 301 https://$server_name$request_uri; } } server { server_name example.tld; listen 443 ssl http2; listen [::]:443 ssl http2; ssl_certificate /etc/letsencrypt/live/example.tld/fullchain.pem; ssl_certificate_key /etc/letsencrypt/live/example.tld/privkey.pem; ssl_trusted_certificate /etc/letsencrypt/live/example.tld/chain.pem; ssl_session_timeout 1d; ssl_session_cache shared:MozSSL:10m; # about 40000 sessions ssl_session_tickets off; ssl_protocols TLSv1.2 TLSv1.3; 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 off; ssl_stapling on; ssl_stapling_verify on; add_header Strict-Transport-Security "max-age=63072000" always; # script-src unsafe-inline required by MetaMask add_header Content-Security-Policy "default-src 'none'; connect-src 'self'; img-src 'self' data:; media-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self'; frame-ancestors 'none'; base-uri 'self'; form-action 'self'"; add_header X-Content-Type-Options "nosniff"; location / { proxy_pass http://127.0.0.1:8383; proxy_set_header Host $http_host; proxy_set_header X-Forwarded-For $remote_addr; } }