eldsveggakerfi
Eldsveggakerfi, commonly translated as firewall, is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. Firewalls act as a barrier between a trusted internal network and untrusted external networks, such as the internet. They examine data packets and decide whether to allow them through or block them based on a set of rules, effectively preventing unauthorized access, malicious attacks, and data breaches.
There are several types of firewalls, including hardware, software, and cloud-based solutions. Hardware firewalls are physical
Firewalls employ various inspection methods, such as packet filtering, stateful inspection, and application-layer gateway. Packet filtering