docker/nginx/nginxconfig.io/security.conf


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# security headers
add_header X-Frame-Options           "SAMEORIGIN" always;
add_header X-XSS-Protection          "1; mode=block" always;
add_header X-Content-Type-Options    "nosniff" always;
add_header Referrer-Policy           "no-referrer-when-downgrade" always;
add_header Content-Security-Policy   "default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'" always;
add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

# . files
location ~ /\.(?!well-known) {
    deny all;
}