What is a Firewall in Networking?
A firewall is a security framework that screens and controls approaching and active organization traffic in view of foreordained security rules. Firewalls are utilized to safeguard networks from unapproved access and to prevent unauthorized or malicious traffic from entering or leaving the network. There are several types of firewalls, including hardware firewalls, software firewalls, and cloud-based firewalls. Hardware firewalls are physical devices that are installed on a network to provide security and protection. Software firewalls are software programs that are installed on a computer or device to provide security and protection. Cloud-based firewalls are services that are provided by a third party and are delivered over the internet. Firewalls operate by examining the incoming and outgoing traffic to and from a network, and they use a set of rules and security policies to determine what traffic is allowed to pass through. These rules and policies are typically based on the type ...