Security
A next-generation firewall (NGFW) is a network security device
that provides capabilities beyond a traditional, stateful firewall.
While a traditional firewall typically provides stateful inspection of
incoming and outgoing network traffic, a next-generation firewall
includes additional features like application awareness and control,
integrated intrusion prevention, and cloud-delivered threat intelligence
https://www.cisco.com/site/us/en/products/security/firewalls/index.html