Tag Archives: WAF

[AWS] AWS WAF (Web Application Firewall)

WAF (Web Application Firewall) is a firewall service to protect web applications from common web exploit attacks.

  • It is an OSI Layer 7 firewall.
  • It monitors HTTP or HTTPS requests to ELB, CloudFront, or API Gateway.
  • Blocked traffic returns HTTP 403 (Forbidden) error status.
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