Purchase Solution

Intrusion with DNS Messages

Not what you're looking for?

Ask Custom Question

Suppose that an intruder could both insert and remove DNS messages into the network. Give three scenarios showing the problems that such an intruder could cause.

Purchase this Solution

Solution Summary

The solution discusses scenarios how an intruder could insert and delete DNS messages into a network.

Solution Preview

Intrusion into a computer system on a network is the act of gaining unauthorized access to misuse information. Intrusions can be conducted in many ways and one such way is by inserting and removing DNS messages into a network. Malicious users exploit the sections of a message that determine how it will be processed by the receiving device. Message sections contain the Header, Question, Answer, Authority, and Additional fields. Some of these fields may be empty during a DNS message transmission. These empty fields or sections are the ones an intruder would generally make use of to insert/remove DNS messages. Various multiple malicious incidents can happen; some of them explained herewith:

1. DNS Cache Poisoning

Also known as the denial of service (DoS) ...

Purchase this Solution


Free BrainMass Quizzes
Basic Computer Terms

We use many basic terms like bit, pixel in our usual conversations about computers. Are we aware of what these mean? This little quiz is an attempt towards discovering that.

Word 2010: Table of Contents

Ever wondered where a Table of Contents in a Word document comes from? Maybe you need a refresher on the topic? This quiz will remind you of the keywords and options used when working with a T.O.C. in Word 2010.

Inserting and deleting in a linked list

This quiz tests your understanding of how to insert and delete elements in a linked list. Understanding of the use of linked lists, and the related performance aspects, is an important fundamental skill of computer science data structures.

Word 2010: Tables

Have you never worked with Tables in Word 2010? Maybe it has been a while since you have used a Table in Word and you need to brush up on your skills. Several keywords and popular options are discussed as you go through this quiz.

C++ Operators

This quiz tests a student's knowledge about C++ operators.