Web Application Firewall (WAF) Configuration

WAFs provide application-layer protection.

Protection Capabilities

- SQL injection blocking
- XSS prevention
- CSRF protection
- Rate limiting
- Bot management

Deployment Modes

- Detection mode (logging)
- Prevention mode (blocking)
- Hybrid approach

Solutions

- Cloudflare WAF
- AWS WAF
- Azure WAF
- Imperva
- F5 Advanced WAF

Tune rules carefully to avoid false positives.