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What is a Firewall ?Is it a piece of software or hardware?

April 26, 2017firewall hardware piece Software

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What is a Firewall ?Is it a piece of software or hardware?

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A firewall is simply a group of components that collectively form a barrier between two networks. In order to provide some level of separation between an organization’s intranet & the Internet, firewalls have been employed. The firewall can be software or hardware or a combination of both.