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lacework-global-231

Security group attached to Elastic Load Balancer should not allow inbound traffic from all ports

Description

Security groups provide stateful filtering of ingress/egress network traffic to AWS resources. It is recommended that no security group allows unrestricted ingress access to your Elastic Load Balancers (ELB) to prevent any unauthorized access.

Remediation

  1. Log in to the AWS Management Console.

  2. Click Services.

  3. Select Compute > EC2.

  4. In the left frame of the EC2 Dashboard, select LOAD BALANCING > Load Balancers.

  5. Select the Load Balancer that has the violation reported by Lacework.

  6. Under the description, click the attached security-group.

  7. Edit the inbound rules and restrict access to only the required IPs and ports.