The Ultimate Guide to Firewall

2022 edition
Overview

Like its real-world namesake, a firewall in computer technology is a structure preventing unwanted incursion. The real world one slows or stops fire, the virtual one slows or stops hackers and malware as a barrier between the internet and your private network. Firewalls can be physical devices monitoring and filtering traffic going into or out of the network, or it can be a software product or service. A Next Gen firewall performs essentially the same task, but with added intelligence – including application awareness and control, integrated intrusion prevention, and threat intelligence.

Top players
You can read more from the top players Fortinet, WatchGuard Technologies, Palo Alto Networks, Cisco, and Sophos.
Other guides
You can read other related guides from Cybersecurity, Malware, Cloud, Network Security, and Software-defined networking.
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