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aws_network_firewall_firewall Resource

Use the aws_network_firewall_firewall InSpec audit resource to test properties of a single specific AWS Network Firewall firewall.

The firewall defines the configuration settings for an AWS Network Firewall firewall. The settings include the firewall policy, the subnets in your VPC to use for the firewall endpoints, and any tags that are attached to the firewall AWS resource.

For additional information, including details on parameters and properties, see the AWS documentation on AWS Network Firewall Firewall.

Installation

This resource is available in the Chef InSpec AWS resource pack.

See the Chef InSpec documentation on cloud platforms for information on configuring your AWS environment for InSpec and creating an InSpec profile that uses the InSpec AWS resource pack.

Syntax

Ensure that the firewall exists.

describe aws_network_firewall_firewall(firewall_name: "FIREWALL_NAME") do
  it { should exist }
end

Parameters

firewall_name (required)

The descriptive name of the firewall.

Properties

firewall.firewall_name
The descriptive name of the firewall.
firewall.firewall_arn
The Amazon Resource Name (ARN) of the firewall.
firewall.firewall_policy_arn
The Amazon Resource Name (ARN) of the firewall policy.
firewall.vpc_id
The unique identifier of the VPC where the firewall is in use.
firewall.subnet_mappings
The public subnets that Network Firewall is using for the firewall.
firewall.subnet_mappings.first.subnet_id
The unique identifier for the subnet.
firewall.delete_protection
A flag indicating whether it is possible to delete the firewall.
firewall.subnet_change_protection
A setting indicating whether the firewall is protected against changes to the subnet associations. Use this setting to protect against accidentally modifying the subnet associations for a firewall that is in use.
firewall.firewall_policy_change_protection
A setting indicating whether the firewall is protected against a change to the firewall policy association. Use this setting to protect against accidentally modifying the firewall policy for a firewall that is in use.
firewall.description
A description of the firewall.
firewall.firewall_id
The unique identifier for the firewall.
firewall.tags
A key:value pair associated with an AWS resource.
firewall_status.status
The readiness of the configured firewall to handle network traffic across all of the Availability Zones where you’ve configured it.
firewall_status.configuration_sync_state_summary
The configuration sync state for the firewall.
firewall_status.sync_states
The subnets that you’ve configured for use by the Network Firewall firewall.
firewall_status.sync_states["AvailabilityZone"].attachment.subnet_id
The unique identifier of the subnet that you’ve specified to be used for a firewall endpoint.
firewall_status.sync_states["AvailabilityZone"].attachment.endpoint_id
The identifier of the firewall endpoint that Network Firewall has instantiated in the subnet.
firewall_status.sync_states["AvailabilityZone"].attachment.status
The current status of the firewall endpoint in the subnet.
firewall_status.sync_states["AvailabilityZone"].config
The configuration status of the firewall endpoint in a single VPC subnet.
firewall_status.sync_states["AvailabilityZone"].config["ResourceName"].sync_status
Indicates whether this object is in sync with the version indicated in the update token.
firewall_status.sync_states["AvailabilityZone"].config["ResourceName"].update_token
The current version of the object that is either in sync or pending synchronization.

Examples

Ensure a firewall name is available.

describe aws_network_firewall_firewall(firewall_name: "FIREWALL_NAME") do
  its('firewall.firewall_name') { should eq 'IAMFleetRole' }
end

Ensure that the status is READY.

describe aws_network_firewall_firewall(firewall_name: "FIREWALL_NAME") do
    its('firewall_status.status') { should eq 'READY' }
end

Matchers

This InSpec audit resource has the following special matchers. For a full list of available matchers, please visit our Universal Matchers page.

The controls will pass if the describe method returns at least one result.

exist

Use should to test that the entity exists.

describe aws_network_firewall_firewall(firewall_name: "FIREWALL_NAME") do
  it { should exist }
end

Use should_not to test the entity does not exist.

describe aws_network_firewall_firewall(firewall_name: 'dummy') do
  it { should_not exist }
end

be_available

Use should to check if the entity is available.

describe aws_network_firewall_firewall(firewall_name: "FIREWALL_NAME") do
  it { should be_available }
end

AWS Permissions

Your Principal will need the NetworkFirewall:Client:DescribeFirewallResponse action with Effect set to Allow.

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