![]() ![]() For example, an individual may have a firewall on their personal computer that scans incoming data from the internet and checks to ensure it does not contain any viruses. What is a network firewall?Ī network firewall is a security mechanism that tracks incoming data from a network to a computer system and determines whether it's allowed to enter. In this article, we describe network firewalls, define some key terms, explore some benefits of using a firewall, describe the common types and explain how to install one yourself. By gaining fundamental knowledge about network firewalls and how they work, you can learn key skills for a successful cybersecurity career. They typically understand how each type of network firewall works so they can identify which option will best protect a client's data. ![]() Cybersecurity professionals often install network firewalls for a company or private client as one of their primary job responsibilities. ![]()
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