<p>In this article, we will explore the process of securely uploading files from an OutSystems Reactive Web client to Amazon S3 using pre-signed URLs. We will discuss the limitations of the traditional server-side approach for file uploads, the requirements for uploading files to an S3 bucket, and the advantages of utilizing pre-signed URLs provided by Amazon S3. Additionally, we will demonstrate how to utilize Amazon S3 pre-signed URLs to securely upload and download files without exposing AWS credentials. Lastly, we will showcase a demonstration of generating a pre-signed URL using AWS Lambda for secure file upload to S3. By the end of this article, you will have a clear understanding of how to securely upload files to AWS S3 and the benefits of using pre-signed URLs.</p>


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Learn how to securely upload files to AWS S3 using pre-signed URLs, without exposing credentials. Explore the limitations of traditional server-side approaches, requirements for S3 file uploads, and the benefits of pre-signed URLs. Includes a demonstration with AWS Lambda.

Utilizing Amazon S3 Presigned URLs for Secure File Uploads and Downloads