COMPUTER NETWORKING

Detailed explanation-1: -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-2: -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-3: -Network security is a set of technologies that protects the usability and integrity of a company’s infrastructure by preventing the entry or proliferation within a network of a wide variety of potential threats.

Detailed explanation-4: -A firewall is a security device in the form of computer hardware or software. It can help protect your network by acting as an intermediary between your internal network and outside traffic. It monitors attempts to gain access to your operating system and blocks unwanted incoming traffic and unrecognized sources.

Detailed explanation-5: -A firewall is a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules.