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From network access control lists (ACLs) to unified threat management (UTM), from the 1990s to the 2020s, firewalls have evolved.

Along with charting that evolution, this 13-page buyer’s guide digs into what constitutes a modern, next-generation firewall (NGFW) today.

To unlock those insights – and to compare NGFW features from 5 vendors, including Cisco, Palo Alto Networks and SonicWall – read on.

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