Reminder: Bucket Restrictions and Limitations

Amazon S3 file manager for Android handsets.

Reminder: Bucket Restrictions and Limitations

Postby support » Sun Aug 14, 2011 9:06 am

To comply with Amazon S3 requirements, bucket names:

* Can contain lowercase letters, numbers, periods (.), underscores (_), and dashes (-)
* Must start with a number or letter
* Must be between 3 and 255 characters long
* Must not be formatted as an IP address (e.g.,

To conform with DNS requirements, we recommend following these additional guidelines when creating buckets:

* Bucket names should not contain underscores (_)
* Bucket names should be between 3 and 63 characters long
* Bucket names should not end with a dash
* Bucket names cannot contain two, adjacent periods
* Bucket names cannot contain dashes next to periods (e.g., "" and "my.-bucket" are invalid)

See: ... tions.html
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