Based on that, we explore its defects and its possible development. After that, the concept 'State' and 'State Update Logics' are extended and a more general stateful firewall model is presented.

针对状态检测技术中状态类型单一、包过滤逻辑不够灵活的缺点，提出一种改进的有状态模型，该模型对有状态技术中状态与状态更新逻辑两个概念进行了扩展与深化。

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Leveraging their existing platform that includes IPS and stateful firewall protections, they have added enhanced DoS defense features.

FORBES: DDoS: coming to a network near you

My question to Richard would be, what Critical or High Risk does a port-based, stateful inspection firewall mitigate?

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Check Point created the first firewall using "stateful inspection" -- the second-generation of firewall technology widely used today.

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