Explain firewalls for network security and privacy. Explain the term and provide examples to show its economic value.
Explain firewalls for network security and privacy. Explain the term and provide examples to show its economic value.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Introduction :
A firewall is a network security device that is designed to prevent unauthorized access to a network by filtering incoming and outgoing network traffic based on a set of predefined rules. The term "firewall" originated from the construction industry, where a firewall is a barrier designed to prevent the spread of fire between buildings. In the context of network security, a firewall serves a similar purpose by preventing the spread of security threats between different parts of a network.
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