WAF (Web Application Firewall)

Outline

1. WAF Overview

• What a WAF is
• Why it matters
• Cloudflare WAF highlights

2. Rule Sets

• Managed rule sets

  • Cloudflare managed rules
  • OWASP Core Rules
  • Enable and tune

• Custom rules

  • Create custom expressions
  • Rule expressions
  • Rule priority

3. Protect Common Attacks

• SQL injection

  • Detection
  • Rule configuration

• XSS

  • Cross-site scripting protection
  • Detection rules

• Path traversal

  • Directory traversal protection
  • Path validation

• Other attacks

  • Command injection
  • File inclusion
  • CSRF

4. Rule Configuration

• Rule conditions

  • Request field matching
  • Regex
  • Logical operators

• Rule actions

  • Block
  • Challenge
  • Log
  • Bypass

5. Rule Management

• Enable/disable
• Priorities
• Testing rules
• Versioning

6. WAF Events

• View WAF events
• Analyze details
• Handle false positives
• Incident response

7. Advanced Features

• Rate limiting

  • Configure limits
  • Prevent abuse

• Geo rules

  • Geo-based access
  • Access control

• IP rules

  • Allow/deny lists
  • IP range management

8. Best Practices

• Rule tuning tips
• Handling false positives
• Performance considerations
• Security posture

9. FAQs

• False positives
• Exclude specific paths
• Rules not taking effect
• Performance impact

10. Summary

• Key WAF settings
• Protection tips