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AWS Network Firewall updates default drop action for improved connection reliability

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AWS·2 weeks ago · Jun 22, 2026, 05:00 PMFeatureAI-assisted summary

Summary

Default stateful action for new firewall policies changed to "Application drop established (server‑directed only)".
Stops silent drops of legitimate server‑to‑client TCP packets, improving connection reliability.
Existing policies keep the old default; update them via docs if the bidirectional drop is required.

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