•1 min read•from InfoQ
AWS S3 Introduces Account-Regional Namespaces, Ending 18 Years of Global Bucket Name Collisions


AWS introduced account-regional namespaces for S3, fixing global bucket name collisions that broke IaC automation for 18 years. New format: {prefix}-{account-id}-{region}-an. CloudFormation gets the BucketNamePrefix property, and IAM gets the s3:x-amz-bucket-namespace condition key. Prevents confused-deputy attacks by making names unpredictable when there is no account ID.
By Steef-Jan WiggersWant to read more?
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