What Does Firewall Mean?
A firewall is software or hardware that can be configured to block data from certain locations, applications, or ports while still allowing relevant and necessary data to pass through.
Techopedia Explains Firewall
Firewalls are sometimes perceived as being old-fashioned because they are designed to protect a network from its perimeter, but in reality, they play an important role in Zero Trust Architectures (ZTAs).
