![]() ![]() What is a Firewall in a Computer Network ?Ī firewall is a hardware or software-based network security device that monitors all incoming and outgoing traffic and accepts, rejects or drops that traffic based on a defined set of security rules. This article also covers various advantages and disadvantages of using a firewall in a computer network.This article briefly focuses on the various types of firewalls in the computer network. ![]() ![]() This article also discusses various generations of network firewalls.This article discusses firewalls in computer networks and how this firewall works.When you use a firewall as part of your security infrastructure, you configure your network with specific policies that allow or block incoming and outgoing traffic. Firewalls, particularly Next-Generation Firewalls, are designed to protect against malware and application-layer attacks. It monitors network traffic and serves as a firewall between trusted and untrusted networks. A firewall can be hardware or software that controls a device's secure in-flow and out-flow of data. ![]()
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