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CloudFront/CloudFront Functions.md

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-# [[_CloudFront]] Functions
+# [[_CloudFront|CloudFront]] Functions
+Lightweight edge functions. They are cheaper, faster, but more limited than [[Lambda@Edge|Lambda@Edge]] functions. 
+
+Only supports ECMAScript 5.1 (JavaScript).
+
+They live directly at Edge Locations.
+
+Uses:
+- Cache key normalisation
+- Header manipulation
+- Status code modification and body generation
+- URL redirects and rewrites
+- Request authorisation
+