A Firewall? — What Is

: Some firewalls act as a "middleman," hiding your device's actual IP address from the outside world and inspecting the contents of data more deeply. Common Types of Firewalls

: Modern firewalls remember active connections. If a packet arrives claiming to be part of a conversation you never started, the firewall blocks it. What is a Firewall?

Firewalls serve three main purposes to keep your digital environment safe: : Some firewalls act as a "middleman," hiding