## Version 2021/09/19 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/ssl.conf

### Mozilla Recommendations
# generated 2020-06-17, Mozilla Guideline v5.4, nginx 1.18.0-r0, OpenSSL 1.1.1g-r0, intermediate configuration
# https://ssl-config.mozilla.org/#server=nginx&version=1.18.0-r0&config=intermediate&openssl=1.1.1g-r0&guideline=5.4

ssl_session_timeout 1d;
ssl_session_cache shared:MozSSL:10m;  # about 40000 sessions
ssl_session_tickets off;

# intermediate configuration
ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
ssl_prefer_server_ciphers off;

# OCSP stapling
ssl_stapling on;
ssl_stapling_verify on;


### Linuxserver.io Defaults

# Certificates
ssl_certificate /config/keys/letsencrypt/fullchain.pem;
ssl_certificate_key /config/keys/letsencrypt/privkey.pem;
# verify chain of trust of OCSP response using Root CA and Intermediate certs
ssl_trusted_certificate /config/keys/letsencrypt/fullchain.pem;

# Diffie-Hellman Parameters
ssl_dhparam /config/nginx/dhparams.pem;

# Enable TLS 1.3 early data
ssl_early_data on;

# HSTS, remove # from the line below to enable HSTS
add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;

# Optional additional headers
#add_header Cache-Control "no-transform" always;
add_header Content-Security-Policy "default-src 'none'; connect-src * https:; font-src 'self'; img-src https: blob: data:; manifest-src 'self'; media-src *; script-src https:; style-src 'self' 'unsafe-inline'; frame-src 'self' https://www.recaptcha.net blob:; frame-ancestors 'self'; block-all-mixed-content; base-uri 'none'";
add_header Referrer-Policy "same-origin" always;
add_header X-Content-Type-Options "nosniff" always;
#add_header X-UA-Compatible "IE=Edge" always;
add_header X-XSS-Protection "0" always;