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We will also need AWS Firewall for traffic regulation. Can we have just one pair Firewall instances hosted in a shared VPC and use it for all the 3 environments to reduce cost? #150

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NOTE: Please be advised that Gruntwork currently does not support AWS Firewall. We neither support it in the Reference Architecture, nor do we have a module to configure it.

AWS Network Firewalls currently does not support monitoring traffic across VPC peering. This is explicitly mentioned as an unsupported architecture in the official AWS documentation. As such, it is currently not possible to share a network firewall across multiple VPCs.

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Answer selected by yorinasub17
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