COMPUTER NETWORKING

Detailed explanation-1: -A firewall acts as a gatekeeper. It monitors attempts to gain access to your operating system and blocks unwanted traffic or unrecognized sources. A firewall acts as a barrier or filter between your computer and another network such as the internet. You could think of a firewall as a traffic controller.

Detailed explanation-2: -A firewall is a network security device that monitors and controls incoming and outgoing traffic from a computer network. By allowing only authorized traffic and blocking unwanted traffic, firewalls protect against unauthorized access, malware and other security threats.

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: -The firewall report of “bad connections” is simply referring to attempts to access ports on your computer that the firewall has blocked. Those connection attempts are not necessarily nefarious. In fact, to use some legitimate applications you may learn that you’ll have to open one or another of those ports.