These are the new generation of firewall technology patented by Check Point Software Technologies. Stageful Inspection provides full application layer awareness without requiring a separate proxy for every service to be secured. This results in multiple benefits to customers encluding excellent performance, reliability and the ability to support new and custom applications and services quickly and easily. Stageful inspection architecture is unique in that it understands the state of any communication through the firewall machine, including packet, connection and application information. Packet filters do not track application or connection state. Application proxies rack only application state, not packet or connection state which may introduce some vulnerabilities.
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