Answered: Hi, I need to answer this question. The…

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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Hi, I need to answer this question. The name of the book is "Network Security, Firewalls, and VPNs 2nd Edition". Thank you.

Question:

What are some limitations of firewalls? How have firewalls matured over time?

Expert Solution

Step 1

FIREWALL:

A firewall is an important component in securing the network and also addresses the data integrity issues and confidentiality of the network. All benefits are gained by receiving all transmitted traffic through the firewall.

LIMITATIONS OF FIREWALL:

Firewalls have some limitations. A firewall cannot protect

When you make poor decisions.
When your security policy is too lax.
In the case of non-technical risks such as social engineering.
When the admin does not properly set up the network.
When users with modems from dialing in to or out of the network, which will lead to bypass of the firewall.
In case of completely new threats.
When there is a misuse of passwords,

When internal users access websites with malicious code

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