Getting Intermittent "Access Denied" Messages Suddenly for A CloudFtont-S3 Distribution

Question

We have been providing download links using signed urls to CloudFront-S3 for years. We are now seeing 50% of the download links returning an "Access Denied" message with no changes to our code. We cannot identify a commonality between the users at this time. Has anything changed or any issues I should know about? I've messaged AWS support with no response in 24 hours. The signed URLs only restrict on start and end time. Start time is set to 30 days in the past and end time is set to one hour in the future. No other restrictions are in place. Again, no changes from a previously working system.

Answer

To answer your question, we require details that are non-public information. 
You mentioned you opened a support case. Please reach in that case for support

For general guidance please see
https://docs.aws.amazon.com/AmazonS3/latest/userguide/using-presigned-url.html

Answer

Troubleshooting 403 Access Denied error issues with Presigne URLs : https://repost.aws/knowledge-center/cloudfront-troubleshoot-signed-url-cookies

Best would be to reach out to the AWS Support via email/chat/call and any engineer will be able to check your resources and suggest further.

Getting Intermittent "Access Denied" Messages Suddenly for A CloudFtont-S3 Distribution

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