Why is MetaDefender Storage Security not transferring S3 object metadata?

This article applies to all MetaDefender Storage Security releases deployed on Windows and Linux systems.

Issue

When processing S3 objects, the objects' metadata is not being transferred after processing and remediation actions.

Cause

  • The option "Transfer file metadata and checksum on created files" is not enabled.

  • Missing S3 permissions: GetObject, PutObject

  • Transferring System-defined metadata is not supported; only User-defined metadata is supported.

    • For example: System-defined metadata such as Content-Type and Content-Disposition cannot be transferred by MDSS, but User-Defined metadata such as x-amz-meta-xxx can be transferred.

Resolution

Double-check the following:

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Why is MetaDefender Storage Security not transferring S3 object metadata?IssueCauseResolution