All 7 Amazon CloudFront & Content Delivery questions
More in Amazon CloudFront & Content Delivery
What is Amazon CloudFront and how does it improve website performance? What types of origins can CloudFront distribute content from? How does caching work in CloudFront, and how do you control how long content stays cached? How do you secure content delivered through CloudFront so only authorized users can access it? How do Lambda at Edge and CloudFront Functions extend the capabilities of a CloudFront distribution? How does CloudFront support multi region high availability and failover for an application?
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What role does CloudFront play in protecting applications from security threats?

Intermediate

Answer

CloudFront integrates directly with AWS WAF, letting you attach web application firewall rules that block common attacks such as SQL injection and cross site scripting before they ever reach your origin server, and it also supports HTTPS enforcement with free SSL certificates through AWS Certificate Manager, keeping data encrypted in transit.
aws cloudfront update-distribution --id ABC123 --distribution-config file://config-with-waf.json
Real-world example A financial services company attaches AWS WAF rules to its CloudFront distribution to automatically block malicious traffic patterns before they reach its backend servers, reducing the load and risk on its origin infrastructure.

Common follow-ups: How do you attach a WAF web ACL to a CloudFront distribution?;What is the difference between CloudFront's built in DDoS protection and AWS Shield?

AWS WAF & Shield;AWS Certificate Manager (ACM)
All 7 Amazon CloudFront & Content Delivery questions