What is firewall: Oct 16

Oct 16, 2025 ·Afirewallis the first line of defense in cybersecurity, acting as a security barrier between internal systems and external networks. It forces all traffic through a single checkpoint, where data packets are monitored, filtered, and either allowed or blocked based on predefined rules. May 19, 2025 ·Afirewallis a network security device that prevents unauthorized access to a network by inspecting incoming and outgoing traffic using a set of predetermined security rules. The main purpose of afirewallis to act as a barrier between a trusted internal network, such as a home or business network and untrusted external networks, such as the internet, to help prevent unauthorized access ... Apr 3, 2025 ·Afirewallis a network security device that acts as a gatekeeper.Firewallsmonitor and control incoming and outgoing traffic from a computer network. Thefirewall: How it protects computers, network devices & more Afirewallis a security system that acts like a digital barrier between connected devices and the outside world (the internet). Think of it like a security guard, checking who’s allowed to come in and who’s not. Afirewallmonitors the traffic (data) that flows between your devices and the internet, deciding whether to allow ...