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All solutions
    • All solutions for Object Storage
    • Resolving the `Bucket is not empty` error when deleting a bucket
    • Troubleshooting access to a bucket with an assigned security policy
    • Fixing error 409: `BucketAlreadyExists`
    • Resolving the error of access to S3 buckets from a Yandex Data Processing 1.4 cluster
    • Fixing error 403 (header is not retrieved when using the `OPTION` method)
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    • Fixing issues with incorrect MIME types of objects when uploading them to Object Storage
    • Troubleshooting issues with uploading new objects to a bucket
    • How to migrate data from an Object Storage bucket to ice storage
    • How to restrict Object Storage bucket access to a specific Cloud CDN IP address range
    • How to move bucket contents to another bucket in the same folder
    • How to directly access the Object Storage API without using SDK
    • How to view and delete incomplete downloads
    • How to determine the speed of data upload and download
    • How to configure `Cache-Control` headers for objects in a bucket during HTTP requests
    • How to restrict access to a bucket for a user
    • How to change the storage class
    • How to recover data deleted from a bucket

In this article:

  • Case description
  • Solution
  1. Object Storage
  2. How to restrict access to a bucket for a user

How to restrict access to a bucket for a user

Written by
Yandex Cloud
Updated at December 17, 2025
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  • Case description
  • Solution

Case descriptionCase description

You need to restrict access to the bucket for another user or a service account.

SolutionSolution

The storage.viewer, storage.configViewer, storage.configurer, storage.editor, and storage.admin service roles provide users with different privileges and access permissions for buckets:

  • The storage.viewer, storage.editor, and storage.admin roles allow users to view or edit files in buckets.
  • The storage.configViewer role allows users to view security settings of buckets and their objects but does not allow access to those objects.
  • The storage.configurer role allows users to change these settings.

For more info on service roles in Object Storage, see this section.

You can configure bucket access using ACL by revoking service roles from specific users, or set up individual bucket policies. For more details, see this guide.

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How to change the storage class
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