FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization’s previously established security policies. At its most basic, a firewall is essentially the barrier that sits between a private internal network and the public Internet.

Detailed explanation-2: -Firewall is a barrier between Local Area Network (LAN) and the Internet.

Detailed explanation-3: -You should always use a firewall to protect any connection to the Internet. In the case of a small network, you probably don’t need anything complicated. Here are a few simple ideas you can follow: Look for a firewall that provides stateful inspection.

Detailed explanation-4: -Network firewalls filter traffic going to and from the internet to secured local area networks (LAN). They typically are used by businesses that need to protect a large network of computers, servers, and employees.

Detailed explanation-5: -Firewalls provide protection against outside cyber attackers by shielding your computer or network from malicious or unnecessary network traffic. Firewalls can also prevent malicious software from accessing a computer or network via the internet.