Cloudlink Amazon S3 backup store "Access Denied" Status Code 403

Summary: Resolving error "Access Denied" Status Code 403 on Amazon S3 backup store configuration.

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Symptoms

"Access Denied" when testing access to Amazon S3 backup store:

image.png

Error like:
com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3 Status Code: 403 Error Code: AccessDenied Request ID: WX2272G8B4XMDJKZ S3 Extended Request ID: [...]

Cause

Incorrect bucket access policy set for the bucket on Amazon S3.

Resolution

Apply correct bucket access policy. Below is an example of bucket access policy that works. 
{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "VisualEditor0",
            "Effect": "Allow",
            "Action": [
                "s3:GetObjectVersionTagging",
                "s3:ReplicateObject",
                "s3:GetObjectAcl",
                "s3:GetIntelligentTieringConfiguration",
                "s3:PutLifecycleConfiguration",
                "s3:GetObjectVersionAcl",
                "s3:PutObjectTagging",
                "s3:DeleteObject",
                "s3:DeleteObjectTagging",
                "s3:GetBucketPolicyStatus",
                "s3:GetObjectRetention",
                "s3:DeleteObjectVersionTagging",
                "s3:GetBucketNotification",
                "s3:GetReplicationConfiguration",
                "s3:PutObject",
                "s3:GetObject",
                "s3:PutBucketNotification",
                "s3:PutBucketLogging",
                "s3:GetAnalyticsConfiguration",
                "s3:GetObjectVersionForReplication",
                "s3:GetLifecycleConfiguration",
                "s3:GetInventoryConfiguration",
                "s3:GetBucketTagging",
                "s3:DeleteObjectVersion",
                "s3:GetBucketLogging",
                "s3:ListBucketVersions",
                "s3:ReplicateTags",
                "s3:RestoreObject",
                "s3:ListBucket",
                "s3:GetAccelerateConfiguration",
                "s3:GetBucketPolicy",
                "s3:PutEncryptionConfiguration",
                "s3:GetEncryptionConfiguration",
                "s3:AbortMultipartUpload",
                "s3:PutBucketTagging",
                "s3:GetObjectTagging",
                "s3:GetMetricsConfiguration",
                "s3:PutBucketVersioning",
                "s3:GetBucketPublicAccessBlock",
                "s3:ListBucketMultipartUploads",
                "s3:PutObjectVersionTagging",
                "s3:GetBucketVersioning",
                "s3:GetBucketAcl",
                "s3:PutInventoryConfiguration",
                "s3:PutObjectRetention",
                "s3:GetBucketCORS",
                "s3:GetBucketLocation",
                "s3:ReplicateDelete",
                "s3:GetObjectVersion"
            ],
            "Resource": [
                "arn:aws:s3:::BUCKET",
                "arn:aws:s3:::BUCKET/*"
            ]
        }
    ]
}

Affected Products

CloudLink SecureVM, CloudLink
Article Properties
Article Number: 000210609
Article Type: Solution
Last Modified: 26 Jun 2023
Version:  5
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