# alb-http-drop-invalid-header-enabled
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Checks if rule evaluates Amazon Application Load Balancers (ALB) to ensure they are configured to drop http headers. The rule is NON\$1COMPLIANT if the value of routing.http.drop\$1invalid\$1header\$1fields.enabled is set to false 



**Identifier:** ALB\$1HTTP\$1DROP\$1INVALID\$1HEADER\$1ENABLED

**Resource Types:** AWS::ElasticLoadBalancingV2::LoadBalancer

**Trigger type:** Configuration changes

**Amazon Web Services Region:** All supported Amazon regions

**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).