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ECS instance should not bind public IP

ID: rule:aliyun:ecs-instance-no-public-ip
Severity: high

Description​

ECS instances should not directly bind IPv4 public IP or Elastic IP, considered compliant.

Reason for Violation​

ECS instance has a public IP bound

Recommendation​

Use NAT Gateway or SLB for internet access instead of direct public IP binding

Resource Types​

  • ALIYUN::ECS::Instance
  • ALIYUN::ECS::InstanceGroup