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. Packet filtering firewall: It is a network device from the types of firewall, which examines header of packets that transmits into a network and finds whether to drop it or forward it through next network based on its rules. It has separate subsets such as static packet filtering, dynamic packet filtering and stateful packet inspection.

Question

Explain the principle of least privilege and its importance in network security.

Answer 1

Question

Chapter 6, Problem 5RQ

Program Plan Intro

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.

Packet filtering firewall:

It is a network device from the types of firewall, which examines header of packets that transmits into a network and finds whether to drop it or forward it through next network based on its rules.

It has separate subsets such as static packet filtering, dynamic packet filtering and stateful packet inspection.

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