FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A firewall is a security device-computer hardware or software-that can help protect your network by filtering traffic and blocking outsiders from gaining unauthorized access to the private data on your computer.

Detailed explanation-2: -The main difference between a hardware firewall and a software firewall is that the hardware firewall runs on its own physical device, while a software firewall is installed on another machine. A common example of a software firewall is the firewall built into most operating systems like Windows and macOS.

Detailed explanation-3: -A firewall is software or firmware that prevents unauthorized access to a network. It inspects incoming and outgoing traffic using a set of rules to identify and block threats.

Detailed explanation-4: -Firewalls are filters network traffic which follows a set of rules and can either be used as hardware or software device.

Detailed explanation-5: -So, combining firewalls protects both local computers and other devices on your network. The hardware firewall checks traffic coming in from and going out to the internet, whereas the software firewall secures what’s coming into or out of the computer, even from internet sources.