Rule: S3 Bucket Cross-Region Replication Enabled
This rule ensures that S3 bucket cross-region replication is enabled to enhance system and communications protection.
| Rule | S3 bucket cross-region replication should be enabled |
| Framework | FedRAMP Low Revision 4 |
| Severity | ✔ Critical |
Rule Description:
The rule requires enabling cross-region replication for AWS S3 buckets that are subject to the FedRAMP Low requirements of Revision 4. Cross-region replication ensures that the contents of the S3 bucket are automatically replicated to a different region, providing data redundancy and fault tolerance in case of a region-wide outage or disaster.
Enabling cross-region replication for sensitive data stored in S3 buckets ensures compliance with FedRAMP Low Revision 4 guidelines, enhancing data protection and availability.
Troubleshooting Steps:
If cross-region replication is not enabled for an S3 bucket governed by FedRAMP Low Revision 4, follow these troubleshooting steps:
- 1.
Review the configuration: Check the current replication settings of the S3 bucket. Verify if cross-region replication is already enabled or not.
- 2.
Determine the required regions: Identify the regions that need to be included in the cross-region replication configuration based on the FedRAMP Low requirements of Revision 4.
- 3.
Enable cross-region replication: If cross-region replication is not already enabled, proceed to enable it for the S3 bucket.
Necessary Codes:
No specific code is required for this rule. The configuration change to enable cross-region replication can be done through the AWS Management Console, AWS CLI, or automation scripts using SDKs or AWS CloudFormation templates.
Step-by-Step Guide for Remediation:
Follow these steps to enable cross-region replication for an S3 bucket based on FedRAMP Low Revision 4 requirements:
- 1.
Sign in to the AWS Management Console with appropriate credentials.
- 2.
Navigate to the Amazon S3 service.
- 3.
Locate the S3 bucket that needs cross-region replication enabled.
- 4.
Click on the bucket name to access its details.
- 5.
Go to the "Management" tab or open the "Replication" tab, depending on the console version.
- 6.
Click on the "Add rule" or "Edit" button to configure cross-region replication.
- 7.
Select the source region for replication. Choose the region where the S3 bucket is located.
- 8.
Choose the target region(s) based on the FedRAMP Low Revision 4 requirements.
- 9.
Set the replication options as required, such as IAM role, encryption, and storage class for replicated objects.
- 10.
Review the configuration and click on "Save" or "Enable" to enable cross-region replication for the S3 bucket.
- 11.
Validate the replication status: After enabling cross-region replication, monitor the replication status to ensure successful implementation. Check the replication metrics and logs for any errors or issues.
- 12.
Repeat the above steps for any other S3 buckets that are subject to FedRAMP Low Revision 4.
By following these steps, you can successfully enable cross-region replication for S3 buckets governed by FedRAMP Low Revision 4, ensuring compliance with the required data protection and availability standards.