Nginx 安全响应头配置：HSTS/Referrer-Policy/Permissions-Policy 实战

示例配置：server { listen 443 ssl; server_name app.example.com; ssl_certificate /etc/ssl/certs/app.crt; ssl_certificate_key /etc/ssl/private/app.key; add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always; add_header Referrer-Policy "strict-origin-when-cross-origin" always; add_header Permissions-Policy "geolocation=(), microphone=(), camera=()" always; add_header X-Content-Type-Options "nosniff" always; add_header X-Frame-Options "SAMEORIGIN" always; location / { proxy_pass http://backend_app; } }