Book Image

Mastering Wireshark

Book Image

Mastering Wireshark

Overview of this book

Wireshark is a popular and powerful tool used to analyze the amount of bits and bytes that are flowing through a network. Wireshark deals with the second to seventh layer of network protocols, and the analysis made is presented in a human readable form. Mastering Wireshark will help you raise your knowledge to an expert level. At the start of the book, you will be taught how to install Wireshark, and will be introduced to its interface so you understand all its functionalities. Moving forward, you will discover different ways to create and use capture and display filters. Halfway through the book, you’ll be mastering the features of Wireshark, analyzing different layers of the network protocol, looking for any anomalies. As you reach to the end of the book, you will be taught how to use Wireshark for network security analysis and configure it for troubleshooting purposes.
Table of Contents (16 chapters)
Mastering Wireshark
About the Author
About the Reviewer

Practice questions

Q.1 Create a baseline from different positions of your network regarding various common protocols used in communication.

Q.2 Explain the various characteristics that TCP error recovery features have.

Q.3 Which protocols other than DNS and HTTP can be troublesome for you, and what approach will you follow in order to troubleshoot them?

Q.4 What do you understood by the term "bottleneck issues", and can they be ignored. If yes/no, why?

Q.5 Create a trace file for your own host and at least capture 10,000 packets. Then, analyze how many types of errors you are able to see for the HTTP protocols, and how many of them can you replicate.

Q.6 Using the baseline that you created earlier, try to match an unusual traffic pattern and observe what anomalies you can figure out by the comparison process.

Q.7 For the DNS protocol, replicate an error code other than 3 and capture traffic for the same.

Q.8 Prepare a checklist for the latency types we discussed and mention as many scenarios as...