Checks whether backend servers are added to the listeners of each Application Load Balancer (ALB) instance. If so, the evaluation result is Compliant. If the creation time of an ALB instance is within the specified number of days, the evaluation result is Not Applicable. The default number of days is 7.
Scenarios
Paying attention to and managing instances that are not in use during idle periods can help enterprises better manage costs.
Risk level
Default risk level: high.
When you apply this rule, you can change the risk level based on your business requirements.
Compliance evaluation logic
If backend servers are added to the listeners of each ALB instance, the evaluation result is Compliant.
If no backend servers are added to the listeners of an ALB instance, the evaluation result is Non-compliant.
If the creation time of an ALB instance is within the specified number of days, the evaluation result is Not Applicable. The default number of days is 7.
Rule details
Item | Description |
Rule name | alb-instance-idle-check |
Rule ID | |
Tag | ALB and LoadBalancer |
Automatic remediation | Not supported |
Trigger type | Configuration change |
Supported resource type | ALB instance |
Input parameter | allocateDays. Default value: 7, in days |
Non-compliance remediation
Add backend servers to the listeners of each ALB instance to ensure business availability. For more information, see Manage listeners.