Amazon_Redshift_4

Ensure Redshift cluster not using the default port

Description

Running your Redshift database clusters on the default port represent a potential security concern. Replacing the default port number (5439) with a custom one will add an extra layer of security, protecting your publicly accessible Amazon Redshift clusters

Remediation

1. Sign in to AWS Management Console.

2. Navigate to Redshift dashboard.

3. In the left navigation panel, under Redshift Dashboard, click Clusters.

4. Select the Redshift cluster that you want to reconfigure then click on its identifier link, listed in the Clustercolumn.

5. Click the Backup dropdown button from the dashboard top menu and select Take Snapshot.

6. On the Create Snapshot dialog box, enter a unique name for your database cluster snapshot in the Snapshot Identifier box then click Create to build the snapshot. The process could take several minutes. Once the snapshot is created it will appear on your Redshift Snapshots page.

7. In the navigation panel, under Redshift Dashboard, click Snapshots.

8. Select the Amazon Redshift cluster snapshot created at step no. 6.

9. Click the Actions dropdown button from the dashboard top menu and select Restore From Snapshot.

10. Within Restore Cluster From Snapshot dialog box, perform the following actions:

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Service

Redshift

Severity

Low

Compliance

Mapping

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