Hi Simon, Show
The error "An error occurred (access denied) when calling the ListBuckets operation: Access Denied" would occur if your user does not have permission to view all the S3 buckets in your account. "ListBuckets" is the name of the API call that is made to list all S3 buckets. The corresponding permission to request this API is "s3:ListAllMyBuckets". Therefore, if your user requires access to view all buckets in your account, or they are accessing the S3 console, you will have to add the "s3:ListAllMyBuckets" to the IAM user's policy. While framing a policy, it is also important to note that some actions support resource-level permissions and some do not. For example, "s3:ListAllMyBuckets" does not support resource-level permissions and you must specify all resources ("*") for this permission. On the other hand, "s3:ListBucket" which is the permission required to list the contents in your bucket, requires you to specify a bucket as the resource. Permissions like "s3:PutObject" and "s3:GetObject" are object-level permissions, and therefore, you must specify an object as the resource. To get a better understanding of which S3 action supports which resource, you can refer to the following link (It also acts as a handy guide while framing policies): https://docs.aws.amazon.com/service-authorization/latest/reference/list_amazons3.html So in this case, the correct policy would look as follows: { With this policy attached, the user will have access to list all S3 buckets in your account but will be able to list the contents of only the specified bucket. The user will also be able to upload, download and delete objects from the specified bucket. Hope this helps :) Recibo este error en la terminal cuando trato de enumerar todos los cubos usando boto3: Ocurrió An error occurred (AccessDenied) when calling the ListBuckets operation: Access Denied . Aquí está el código: for bucket in s3.buckets.all(): print(bucket.name)Encontré una pregunta de desbordamiento de pila ( ¿Por qué mi terminal devuelve este error s3? ) y debajo está la solución propuesta. No estoy muy familiarizado con AWS, así que necesito un poco de orientación. ¿Dónde puedo encontrar el diccionario dentro como el que se muestra a continuación dentro de la consola de AWS? { "Sid": "AllowListingOfAllBuckets", "Effect": "Allow", "Action": [ "s3:ListAllMyBuckets" ], "Resource": [ "arn:aws:s3:::*" ] }An error occurred (AccessDenied) when calling the ListBuckets operation: Access DeniedQuestions : An error occurred (AccessDenied) when calling the ListBuckets operation: Access Denied2022-08-03T05:19:04+00:00 2022-08-03T05:19:04+00:00 609 I'm working to in a project and the goal is anycodings_api to pull report from amazon S3. Currently I'm anycodings_api trying to access to an S3 location to check anycodings_api my available bucket list. Im working in python, I've set all my anycodings_api credentials in the prompt : aws configure. In my python file when i'm try the code to anycodings_api list all my bucket : import boto3 s3 = boto3.resource('s3') for bucket in s3.buckets.all(): print (bucket.name)I'm getting this error :
Does someone have any idea of what happened? anycodings_api Are my creadentials not good? Thanks Total Answers 1 33 Answers 1 : of An error occurred (AccessDenied) when calling the ListBuckets operation: Access DeniedThanks you all for your answer. I solve anycodings_python my problem. I have just add to my shell anycodings_python syntax my s3 location like this : aws s3 ls s3://aps-external-xxxx/aps-downloadxxx-xxx-e306fd2/And it's work. 0 2022-08-03T05:19:04+00:00 2022-08-03T05:19:04+00:00Answer Link mRahman Why S3 Access Denied?If you're getting Access Denied errors on public read requests that are allowed, check the bucket's Amazon S3 Block Public Access settings. Review the S3 Block Public Access settings at both the account and bucket level. These settings can override permissions that allow public read access.
What permissions does S3 sync need?To run the command aws s3 sync, then you need permission to s3:GetObject, s3:PutObject, and s3:ListBucket. Note: If you're using the AssumeRole API operation to access Amazon S3, you must also verify that the trust relationship is configured correctly.
Can't connect to Endpoint URL AWS CLI?The reason the "Could not connect to the endpoint URL" error occurs is because an incorrect region code is set when running an AWS CLI command. In order to solve the "Could not connect to the endpoint URL" error, set the region to a valid AWS region code, e.g. us-east-1 .
What does S3 ListBucket do?Returns a list of all buckets owned by the authenticated sender of the request. To use this operation, you must have the s3:ListAllMyBuckets permission. For information about Amazon S3 buckets, see Creating, configuring, and working with Amazon S3 buckets.
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An error occurred accessdenied when calling the listbuckets operation: access denied
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