firewall types

Business and Trade

What Is a Firewall and Types of Firewalls

A firewall is an important security layer that serves as a barrier between private networks and the outside world. Firewall designs have progressed dramatically over the last four decades, from first-generation, stateless firewalls to next-generation firewalls. Organizations may now pick from a variety of firewall types, including application-level gateways (proxy firewalls), stateful inspection firewalls, and circuit-level gateways, and even combine…