: 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
Firewalls serve three main purposes to keep your digital environment safe: What is a Firewall?
Firewalls come in different formats depending on what they protect: What is a Firewall? | Anomali : Some firewalls act as a "middleman," hiding
: 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?
: Every piece of data sent over the internet is broken into small "packets." The firewall examines each packet's header (source, destination, and port) and drops any that don't meet its rules.