AWS Network Firewall adds Reject and Alert actions for stateful domain list rule groups

Published
September 30, 2025
https://aws.amazon.com/about-aws/whats-new/2025/09/aws-network-firewall-reject-alert-domain-list-rule-groups/

AWS Network Firewall Updates

AWS Network Firewall now supports Reject and Alert actions for stateful domain list rule groups, enhancing network traffic control. This feature allows for more precise traffic management within AWS environments.

New Features

  • Reject Action: Blocks specific domain-based traffic.
  • Alert Action: Monitors and logs traffic without interrupting the flow.

What to do

  • Create Reject and Alert actions in the AWS Network Firewall console.
  • Enable TLS inspection from the Amazon VPC Console or the Network Firewall API.

Source: AWS release notes

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