Presigned URLs
Explore how to create and use presigned URLs in AWS S3 to securely share or upload objects with temporary access. Understand the expiration configuration, methods using AWS CLI and SDKs, and best practices for protecting your resources while enabling access without AWS credentials.
What’s a presigned URL?
Suppose we want to grant temporary access to an object in an S3 bucket to someone who doesn’t have an AWS account. At the same time, we don’t want to make our object public. How can we do that?
To achieve this, we can use the feature of presigned URLs. This allows us to share objects or enable upload to an S3 bucket by users without needing credentials or permissions.
A presigned URL generates a temporary access URL that users can use to access an object or a bucket until the URL reaches its expiration time and stops working. This will be predefined by you while creating a presigned ...