Understanding s3 PutBucketLogging action

Question

* A company uses multiple AWS accounts in a single AWS Region.
* A solutions architect is designing a solution to consolidate logs generated by Elastic Load Balancers (ELBs) in the AppDev, AppTest and AppProd accounts. 
* The logs should be stored in an existing Amazon S3 bucket named s3-eib-logs in the central AWS account. 
* The central account is used for log consolidation only and does not have ELBs deployed.

**Solution:**
Update the S3 bucket policy for the s3-elb-logs bucket to allow the s3 PutBucketLogging action for the central AWS account ID

**My Doubt:**
Here, `s3 PutBucketLogging` will only allow central AWS account to enable or modify the bucket logging configuration for the "s3-eib-logs" bucket. How the ` s3 PutBucketLogging` will allow to store consolidated logs from ELBs into the "s3-eib-logs" bucket?

Answer

Your bucket policy does need to allow access from your other accounts.  The cleanest way to achieve this is to allow access from the Organization - see the 2nd example at https://docs.aws.amazon.com/AmazonS3/latest/userguide/example-bucket-policies.html#example-bucket-policies-global-condition-keys.

Understanding s3 PutBucketLogging action

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