Ravi Sir's Cards › AWS
CloudFront + WAF
This revision card explains CloudFront + WAF. It starts from the need that origin in one region is slow worldwide and open to Layer-7 floods. It describes cloudFront is a CDN (edge cache + HTTPS). AWS WAF filters HTTP requests with rules before they hit the origin. The how-to section covers how to create distribution , then attach ACM cert , then origin S3/ALB , then associate WAF Web ACL with managed rules. An example on the card is pune and London users hit edge caches; SQLi patterns get blocked by WAF before Mumbai origin.
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What this card says
Why do we need it?
Origin in one region is slow worldwide and open to Layer-7 floods.
What is it?
CloudFront is a CDN (edge cache + HTTPS). AWS WAF filters HTTP requests with rules before they hit the origin.
CloudFront / WAF
How to do it
Create distribution → attach ACM cert → origin S3/ALB → associate WAF Web ACL with managed rules.
Example
Pune and London users hit edge caches; SQLi patterns get blocked by WAF before Mumbai origin.