For the ECS cluster instances which have no CloudFormation helper scripts installed, the instances will be unable to send cloudformation signal the cfn-signal and the auto scaling group may fail due to not received the success signal. To install the CloudFormation helper scripts, the instance need the proxy if it is unable to reach internet.
For the ECS cluster instances which have no CloudFormation helper scripts installed, the instances will be unable to send cloudformation signal the cfn-signal and the auto scaling group may fail due to not received the success signal. To install the CloudFormation helper scripts, the instance need the proxy if it is unable to reach internet.