Book Image

Network Analysis using Wireshark 2 Cookbook - Second Edition

By : Nagendra Kumar Nainar, Yoram Orzach, Yogesh Ramdoss
Book Image

Network Analysis using Wireshark 2 Cookbook - Second Edition

By: Nagendra Kumar Nainar, Yoram Orzach, Yogesh Ramdoss

Overview of this book

This book contains practical recipes on troubleshooting a data communications network. This second version of the book focuses on Wireshark 2, which has already gained a lot of traction due to the enhanced features that it offers to users. The book expands on some of the subjects explored in the first version, including TCP performance, network security, Wireless LAN, and how to use Wireshark for cloud and virtual system monitoring. You will learn how to analyze end-to-end IPv4 and IPv6 connectivity failures for Unicast and Multicast traffic using Wireshark. It also includes Wireshark capture files so that you can practice what you’ve learned in the book. You will understand the normal operation of E-mail protocols and learn how to use Wireshark for basic analysis and troubleshooting. Using Wireshark, you will be able to resolve and troubleshoot common applications that are used in an enterprise network, like NetBIOS and SMB protocols. Finally, you will also be able to measure network parameters, check for network problems caused by them, and solve them effectively. By the end of this book, you’ll know how to analyze traffic, find patterns of various offending traffic, and secure your network from them.
Table of Contents (20 chapters)

Discovering brute force and application attacks

The next step in network attack is to understand the various types of brute force attacks. A brute force attack is a trial-and-error method used to obtain information from the victim, for example, trying to find organizational servers, user directories, and to crack passwords.

Getting ready

Brute force attacks will usually not produce non-standard loads on the network, and the way they are discovered is usually by IDS systems or when there is a suspicion that someone is trying to hack into the network. In this recipe, we will learn how to identify typical brute force attacks.

How...