# AWS services in this guidance
<a name="aws-services-in-this-guidance"></a>


|  AWS service  |  Description  | 
| --- | --- | 
|  [AWS CodeBuild](https://aws.amazon.com/codebuild/)  |  Core. CodeBuild validates the configuration files (firewall, firewall policy, and rule group) and checks if the JSON format is valid.  | 
|  [AWS CodePipeline](https://aws.amazon.com/codepipeline/)  |  Core. CodePipeline validates, tests, and implements changes based on updates to the configuration package in the S3 bucket.  | 
|  [AWS Network Firewall](https://aws.amazon.com/network-firewall/)  |  Core. This guidance automates the process of provisioning a centralized Network Firewall to inspect traffic between VPCs.  | 
|  [Amazon VPC](https://aws.amazon.com/vpc/)  |  Core. This guidance creates an inspection VPC with four subnets to support Transit Gateway attachments and Network Firewall endpoints.  | 
|  [Amazon S3](https://aws.amazon.com/s3/)  |  Supporting. This guidance creates S3 buckets for firewall configurations, source code, artifacts, and logs.  | 
|  [AWS Systems Manager](https://aws.amazon.com/systems-manager/)  |  Supporting. Provides application-level resource monitoring and visualization of resource operations and cost data.  | 
|  [AWS Transit Gateway](https://aws.amazon.com/transit-gateway/)  |  Optional. This guidance creates Transit Gateway attachments for your VPCs if you provide an existing transit gateway ID.  |