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AWS Network Firewall now supports configurable TCP idle timeout

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The article discusses a new capability in AWS Network Firewall that allows configuring the TCP idle timeout value to align with the application's requirements, enabling uninterrupted stateful inspection of long-lived flows.

Specifically, the article covers:

  • AWS Network Firewall now supports configurable TCP idle timeout value
  • The TCP idle timeout value can be set between 60 to 6000 seconds (default remains 350 seconds for backward compatibility)
  • This feature enables uninterrupted inspection of long-lived flows like financial applications, databases, and ERP systems
  • The configurable TCP idle timeout is available in all AWS Regions where AWS Network Firewall is offered, including AWS GovCloud (US) Regions
  • The configuration can be done through AWS Management Console, CLI, SDK, or Network Firewall API


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