AWS-ElastiCache-memcached-clusters-using-deafault-endpoint-port

Severity: Low

Description: This control ensures that AWS ElastiCache memcached clusters are not using their default endpoint ports. Applications to access AWS ElastiCache memcached cluster, user has to set up the endpoint port. AWS ElastiCache memcached cluster by default sets this endpoint port to 11211..

Remediation Steps:

Perform following to change the subnet for ElastiCache cluster :

1. Login to the AWS Management Console at https://console.aws.amazon.com.

2. Step 1:  Backup the ElastiCache memcached cluster

   1. Navigate to ElastiCache console.

   2. In the navigation pane, choose memcached.

   3. Choose the box to the left of the name of the memcached cluster you want to back up.

   4. Now in actions dropdown choose backup.

3. Step 2: Delete the ElastiCache memcached cluster

   1. In the navigation pane, choose memcached.

   2. Choose the box to the left of the name of the memcached cluster you want to delete.

   3. Now in actions dropdown choose Delete.

4. Step 3: Restore the Backup

   1. In the navigation pane, choose Backups.

   2. Select the Backup you want to restore.

   3. Click on the restore button.

   4. In the Restore Cluster window ensure that port is not set to 11211.

Important:

Changing default endpoint ports is only available while creating the ElastiCache memcached Cluster. To modify port, first backup the ElastiCache memcached cluster and delete the misconfigured ElastiCache memcached Cluster. After this operation, restore the backup with modified port. After the restoring the cluster, application changes might be required for application to point to the new cluster endpoint.

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