S3 – CDN(Content distribution network)

• 2 types of distribution, Web and RTMP(for Adobe multimedia)
• Can have multiple origins.(Origin path would be a folder in the S3 bucket)
• Bucket access can be restricted not to go through S3 URL. In this case, all the requests must go thru Cloudfront URL.
• Path pattern can be setup to access the different types of files, for eg: .pdf files, .jpeg files etc.
• TTL for cached objects is 24 hrs.
• You can restrict access to CDN using signed URLS and signed cookies.
• Logging can be enabled and write these logs to an S3 bucket
• Geo restrictions can be enabled for the CDN
• Can invalidate the cached data but will be charged