Back to AWS
AWSSecurity
WAF
AWS WAF helps protect web applications from common web exploits by filtering and inspecting HTTP requests.
What it does
Web application firewall.
When to use
Use WAF when public web applications need an extra layer of protection against common attacks.
Key Concepts
Rules inspect incoming web requests.
It is often attached to ALB or CloudFront.
Useful for blocking malicious patterns.
It complements, not replaces, secure app design.
Common Use Cases
Protecting public APIs and websites.
Blocking unwanted traffic patterns.
Adding security controls at the edge.
Interview Questions
What is AWS WAF?
What kind of attacks can WAF help mitigate?
Where is WAF commonly attached in AWS?