phoenixNAP IT Glossary

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Term of the day

What Is Next Generation Firewall?

A next-generation firewall (NGFW) is a network security device that combines traditional firewall capabilities with advanced filtering functions. This third-generation firewall combats advanced security threats using inspection and intrusion prevention systems. Unlike the previous generation, which operates up to the transport layer (4th layer of the ISO model), NGFW operates up to the application (7th) layer.


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