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Retention – Specifies a fixed period of time ("retention period") during which the object remains locked. During this period, the object is WORM-protected and can not cannot be overwritten or deleted. After the period expires, the lock goes away automatically.
Legal hold – When applied, the object stays locked indefinitely. A legal hold does not expire; it must be explicitly removed.
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Differences Between S3 and Swarm's Implementation of Object Locking
In S3, a DELETE request results in a delete marker, shadowing the locked object version. Swarm's implementation deviates from that logic – it rejects any DELETE requests for indelible objects with an HTTP 403 Forbidden error.
When Gateway gets a HTTP 403 Forbidden error from Swarm, it checks if the object is locked. Gateway simulates the S3 behavior creating a new (unlocked) object version, immediately followed by a DELETE, thus creating a delete marker.
For SCSP, use a configuration flag to pick the desired behavior:
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