s3 bucket access denied

Question

Hey, I'm strugglin with access to one of my s3 buckets. I probably set Deny permission somewhere, but I checked all possible policies and can't find out where it is.

- I have AdministratorAccess (Allow, *, *)
- I can access another buckets
- I lost all privileges, so I can't see Bucket policies or ACL on bucket tab.
- colleagues in AdministratorAccess encounter same situation

Accepted Answer

Hello.

I think it's probably due to a misconfiguration of the bucket policy that makes it impossible to operate using an IAM user.  
If you can no longer do anything as an IAM user, use the AWS account root user to modify or delete the bucket policy.  
https://repost.aws/knowledge-center/s3-accidentally-denied-access

You can sign in as the root user of your AWS account by following the steps in the document below.  
By the way, the root user can perform all operations, so please be careful when handling it.  
https://docs.aws.amazon.com/signin/latest/userguide/introduction-to-root-user-sign-in-tutorial.html

s3 bucket access denied

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