Check for unattached Amazon Elastic IP (EIP) addresses within your AWS cloud account and release (remove) them in order to lower the cost of your AWS bill.
This rule can help you with the following compliance standards:
- MAS
- NIST4
For further details on compliance standards supported by Conformity, see here.
This rule can help you work with the AWS Well-Architected Framework.
This rule resolution is part of the Conformity Security & Compliance tool for AWS.
optimisation
Amazon Web Services enforce a small hourly charge if an Elastic IP address within your cloud account is not associated with a running Amazon EC2 instance or an Elastic Network Interface (ENI). Trend Cloud One™ – Conformity recommends releasing any unassociated EIPs that are no longer needed to reduce your AWS cloud costs.
Audit
To identify unattached Elastic IPs currently available in your AWS cloud account, perform the following operations:
Remediation / Resolution
To release (remove) any unassociated Elastic IP (EIP) address from your AWS cloud account, perform the following operations:
(!) IMPORTANT: Once released, you can't reuse the Elastic IP again so make sure to update any DNS records that communicate with the selected EIP before removing it.References
- AWS Documentation
- Amazon EC2 FAQs
- Elastic IP Addresses
- IP Addressing in Your VPC
- AWS Command Line Interface (CLI) Documentation
- ec2
- describe-addresses
- release-address