# ecs-task-definition-pid-mode-check
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Checks if ECSTaskDefinitions are configured to share a host’s process namespace with its Amazon Elastic Container Service (Amazon ECS) containers. The rule is NON\_COMPLIANT if the pidMode parameter is set to ‘host’. 

**Note**  
This rule only evaluates the latest active revision of an Amazon ECS task definition.

**Identifier:** ECS\_TASK\_DEFINITION\_PID\_MODE\_CHECK

**Resource Types:** AWS::ECS::TaskDefinition

**Trigger type:** Configuration changes

**Amazon Web Services Region:** All supported Amazon regions except Asia Pacific (New Zealand), Asia Pacific (Thailand), Amazon GovCloud (US-East), Amazon GovCloud (US-West), Mexico (Central), Asia Pacific (Taipei) Region

**Parameters:**

None  

## Amazon CloudFormation template
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To create Amazon Config managed rules with Amazon CloudFormation templates, see [Creating Amazon Config Managed Rules With Amazon CloudFormation Templates](aws-config-managed-rules-cloudformation-templates.md).