Presigned URLs
Understand how to create and use presigned URLs to grant temporary access to Amazon S3 buckets for uploading and downloading objects. Explore the necessary permissions, expiration settings, and security measures such as bucket policies and network controls. This lesson helps you manage secure, time-limited access to S3 resources efficiently.
Presigned URLs are used to grant temporary access to the bucket. It is a time-bound URL that can be used to share and upload objects in a bucket.
How to create a presigned URL
The presigned URL can be created by anyone with valid security credentials. However, the entity with those credentials should have permission to perform the functions the presigned URL is being used for. This entity can be an IAM profile, a user, or a security token service. To create a presigned URL we require:
Name of the S3 bucket
The object key (If we are downloading the object using the presigned URL, ...