openclaw-security-playbook/configs/examples/nginx-advanced.conf at main · topazyo/openclaw-security-playbook · GitHub

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# nginx-advanced.conf
# Production-ready Nginx reverse proxy for ClawdBot

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
    use epoll;
}

http {
    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    # Logging
    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for"';

    access_log /var/log/nginx/access.log main;

    # Performance
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;

    # Security
    server_tokens off;
    client_max_body_size 10m;

    # Rate limiting zones
    limit_req_zone $binary_remote_addr zone=clawdbot_limit:10m rate=10r/s;
    limit_conn_zone $binary_remote_addr zone=conn_limit:10m;

    # Upstream
    upstream clawdbot_backend {
        server 127.0.0.1:18789;
        keepalive 32;
    }

    # HTTPS server
    server {
        listen 443 ssl http2;
        server_name clawdbot.company.internal;

        # TLS configuration
        ssl_certificate /etc/nginx/ssl/clawdbot.crt;
        ssl_certificate_key /etc/nginx/ssl/clawdbot.key;
        ssl_protocols TLSv1.3 TLSv1.2;
        ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256;
        ssl_prefer_server_ciphers off;

        # Client certificate (mTLS)
        ssl_client_certificate /etc/nginx/ssl/ca.crt;
        ssl_verify_client on;
        ssl_verify_depth 2;

        # Security headers
        add_header Strict-Transport-Security "max-age=31536000" always;
        add_header X-Frame-Options "DENY" always;
        add_header X-Content-Type-Options "nosniff" always;

        # Rate limiting
        limit_req zone=clawdbot_limit burst=20 nodelay;
        limit_conn conn_limit 10;

        # IP whitelist
        allow 10.0.0.0/8;
        allow 100.0.0.0/8;
        deny all;

        location / {
            proxy_pass http://clawdbot_backend;
            proxy_http_version 1.1;

            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;

            proxy_connect_timeout 60s;
            proxy_send_timeout 60s;
            proxy_read_timeout 60s;
        }

        location /health {
            access_log off;
            proxy_pass http://clawdbot_backend/health;
        }
    }

    # Redirect HTTP to HTTPS
    server {
        listen 80;
        server_name clawdbot.company.internal;
        return 301 https://$server_name$request_uri;
    }
}