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 perhaps the most widely deployed network security devices. The primary functionality of firewall is to filter incoming and/or outgoing traffic based on rules. For example, a firewall may block incoming traffic based on the source IP address, traffic type.

Detailed explanation-3: -A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. Either hardware, software, or a combination of both, the firewall establishes a barrier between a trusted internal network and untrusted external networks such as the Internet.

Detailed explanation-4: -A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules.

Detailed explanation-5: -Firewalls. Firewalls are one of the most fundamental network security appliances. Like many other security devices, firewalls can come in hardware or software forms. Most of the time, businesses choose to use dedicated, specialized hardware since it can handle more traffic and has better vendor support.