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Evaluate custom configurations using AWS Config Custom Policy rules and the open source sample repository

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This article introduces a new public repository of sample AWS Config custom policy rules using CloudFormation Guard to evaluate custom resource configurations.

  • AWS Config Custom Policy Rules enable organization-specific configuration compliance checks
  • New GitHub repository contains community-sourced, AWS-vetted sample rules for various use cases
  • Rules written in Guard policy-as-code language, easier than Lambda-based custom rules
  • Sample rule checks VPC subnet IP address availability, flags when less than 5% remain
  • Rules are customizable and editable to match specific organizational requirements
  • Repository covers diverse scenarios from CloudWatch alarms to VPC Endpoint usage

The repository provides ready-to-use custom policy rule samples to simplify AWS Config implementation for organization-specific compliance requirements.



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