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Supported Amazon S3 features

Besides basic Amazon S3 operations like GET, PUT, COPY, DELETE, the Flow Object Storage implementation of the Amazon S3 protocol supports the following features:
  • Multipart upload
  • Access control lists (ACLs)
  • Versioning
  • Signed URLs
  • Object locking
  • Geo-replication
  • Server access logging
  • Object storage classes
  • Cross-region replication (CRR)
  • Bucket policies
  • Object expiration
  • Cross-origin resource sharing (CORS)

Supported authentication schemes

The following authentication schemes are supported by the Flow Object Storage implementation of the Amazon S3 protocol:
The following authentication methods are supported by the Flow Object Storage implementation of the Amazon S3 protocol:
The following authentication method is not supported:

Supported Amazon request headers

The following Amazon S3 REST request headers are currently supported by the Flow Object Storage implementation of the Amazon S3 protocol:
  • Authorization
  • Content-Length
  • Content-Type
  • Content-MD5
  • Date
  • Host
  • x-amz-content-sha256
  • x-amz-date
  • x-amz-security-token
  • x-amz-object-lock-retain-until-date
  • x-amz-object-lock-mode
  • x-amz-object-lock-legal-hold
  • x-amz-bypass-governance-retention
  • x-amz-bucket-object-lock-enabled
  • x-amz-geo-endpoint
  • x-amz-geo-access-key
  • x-amz-geo-access-secret

Supported Amazon response headers

The following Amazon S3 REST response headers are currently supported by the Flow Object Storage implementation of the Amazon S3 protocol:
  • Content-Length
  • Content-Type
  • Connection
  • Date
  • ETag
  • x-amz-delete-marker
  • x-amz-request-id
  • x-amz-version-id
  • x-amz-object-lock-retain-until-date
  • x-amz-object-lock-mode
  • x-amz-object-lock-legal-hold
  • x-amz-geo-endpoint
  • x-amz-geo-access-key
  • x-amz-geo-access-secret
The following Amazon S3 REST response headers are not used:
  • Server
  • x-amz-id-2

Supported Amazon error response headers

The following Amazon S3 REST error response headers are currently supported by the Flow Object Storage implementation of the Amazon S3 protocol:
  • Code
  • Error
  • Message
The following Amazon S3 REST error response headers are not supported:
  • RequestId (not used)
  • Resource

Supported Amazon S3 object expiration actions

The Flow Object Storage implementation of the Amazon S3 object lifecycle only supports object expiration by prefix. Deleting objects by tag is not available. The rule definition for object expiration is similar to that for bucket policies.
The following S3 object expiration actions are currently supported:
  • Expiration. Deletes objects by age or by date. In case of versioning, inserts a delete marker, which becomes the latest version of an object. Delete markers are not removed.
  • NonCurrentVersionExpiration. Deletes an object version after it has become non-current for the specified number of days.
  • AbortIncompleteMultipartUpload. Aborts a multipart upload that has not completed during the specified number of days.
  • ExpiredObjectDeleteMarker. Deletes a delete marker as soon as there are no other versions of an object.