What web domains need to be whitelisted to ensure backups function properly?

The following domains need to be whitelisted on any network-level internet security applications to ensure that backups and communication between the Cloud Node hardware and the PDK.io Cloud Service.

• http://bucket.s3.amazonaws.com
• http://bucket.s3-aws-region.amazonaws.com
• http://s3.amazonaws.com/bucket
• http://s3-aws-region.amazonaws.com/bucket
• http://s3.us-east-1.amazonaws.com