# netfw-multi-az-enabled
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Checks if Amazon Network Firewall firewalls are deployed across multiple Availability Zones. The rule is NON\$1COMPLIANT if firewalls are deployed in only one Availability Zone or in fewer zones than the number listed in the optional parameter. 



**Identifier:** NETFW\$1MULTI\$1AZ\$1ENABLED

**Resource Types:** AWS::NetworkFirewall::Firewall

**Trigger type:** Configuration changes

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

**Parameters:**

availabilityZones (Optional)Type: int  
The number of expected Availability Zones.

## 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).