Principles of Information Security
5th Edition
ISBN: 9781305176737
Author: WHITMAN
Publisher: Cengage
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Expert Solution & Answer
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Chapter 6, Problem 1RQ
Explanation of Solution
Firewall:
A firewall is security software which imposes a set of protocols to prevent specific types of data from moving among trusted and untrusted level of networks.
Trusted network and untrusted network:
The untrusted network is the common Internet or another part of public network, while the trusted network is usually a privately owned network or organization’s network.
Relationship among Firewall, trusted network and untrusted network:
- The relationship is that information is only restricted by firewall via particular spaces called “ports”.
- Firewall prevents the untrusted or unwanted network connections from outside, and filters it to the trusted network which lies on the bounds of the firewall to ensure that it’s legitimate.
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Students have asked these similar questions
What is the normal relationship between an untrusted network, a firewall, and a trusted network, and how do they interact with one another?
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Chapter 6 Solutions
Principles of Information Security
Ch. 6 - Prob. 1RQCh. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Prob. 4RQCh. 6 - Prob. 5RQCh. 6 - Prob. 6RQCh. 6 - Prob. 7RQCh. 6 - Prob. 8RQCh. 6 - Prob. 9RQCh. 6 - Prob. 10RQ
Ch. 6 - Prob. 11RQCh. 6 - Prob. 12RQCh. 6 - Prob. 13RQCh. 6 - Prob. 14RQCh. 6 - Prob. 15RQCh. 6 - Prob. 16RQCh. 6 - Prob. 17RQCh. 6 - Prob. 18RQCh. 6 - Prob. 19RQCh. 6 - Prob. 20RQCh. 6 - Prob. 1ECh. 6 - Prob. 2ECh. 6 - Prob. 3ECh. 6 - Prob. 4ECh. 6 - Prob. 5ECh. 6 - Prob. 1CEDQCh. 6 - Prob. 2CEDQCh. 6 - Suppose that Ms. Hamir stacked the deck with her...
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- Is there a typical link between a network that cannot be trusted, a firewall, and a network that can be trusted, and how does this connection function?arrow_forwardIn the OSI model, where does a firewall typically function, and what is its primary purpose in network security? Provide examples of how it can enhance network security.arrow_forwardWhat does the phrase "firewall" mean in terms of network security, and how is it employed in network topologies?arrow_forward
- What is the significance of a firewall in network security, and how does it differentiate between trusted and untrusted network traffic?arrow_forwardIs there an usual connection between an untrusted network, a firewall, and a trustworthy network, and how does this work?arrow_forwardGive an explanation of what the term "firewall" implies in terms of network security, and discuss how it is used in different topologies for network configurations.arrow_forward
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