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What kind of HTTP action is the URL being encoded as? When a S3 pre-signed URL is created, it is signed for specific actions. Examples are "GET", "HEAD", "PUT", "POST".
Just asking, but are you 100% sure the URL is signed with "HEAD" (I see that is what you are using in code)?
Another couple of items to check:
- Is the S3 object KMS encrypted?
- Are there any conditions on the pre-signed access from the source-side? Such as these: https://docs.aws.amazon.com/AmazonS3/latest/userguide/using-presigned-url.html#PresignedUrlUploadObject-LimitCapabilities
answered 2 years ago
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