Discuss the need, the use and the essence firewalls in information technology security


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Discuss the need, the use and the essence firewalls in information technology security


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Discuss the need, the use and the essence firewalls in information technology security. Your discussion must include explanation of the rules and processes involved in data packet filtering and firewall managementPlease provide 3 pages content answer for the above question and also provide the  professional references  and in- text citation to the answer.