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Cloud Config:Backend server weight not set to 0 for SLB instances

Last Updated:Sep 15, 2026

Checks whether each Server Load Balancer (SLB) instance has backend servers and the weight of each backend server is not set to 0.

Scenario

If the weight of a backend server is set to 0, your service may become less responsive or other backend servers may break down due to excessive load.

Risk level

Default risk level: low.

You can change the risk level as required when you apply this rule.

Compliance evaluation logic

  • If each SLB instance has backend servers and the weight of each backend server is not set to 0, the evaluation result is compliant.
  • If an SLB instance has backend servers but the weight of a backend server is set to 0, the evaluation result is non-compliant. For more information about how to correct the non-compliant configuration, see Non-compliance remediation.

Rule details

ItemDescription
Rule nameslb-backendserver-weight-check
Rule IDslb-backendserver-weight-check
TagSLB and LoadBalancer
Automatic remediationNot supported
Trigger typePeriodic execution
Time interval24 hours
Supported resource typeSLB instance
Input parameterNone

Non-compliance remediation

Modify the weight of the backend server of the SLB instance. For more information, see Default server group.