Book Image

Learning Network Forensics

By : Samir Datt
Book Image

Learning Network Forensics

By: Samir Datt

Overview of this book

We live in a highly networked world. Every digital device—phone, tablet, or computer is connected to each other, in one way or another. In this new age of connected networks, there is network crime. Network forensics is the brave new frontier of digital investigation and information security professionals to extend their abilities to catch miscreants on the network. The book starts with an introduction to the world of network forensics and investigations. You will begin by getting an understanding of how to gather both physical and virtual evidence, intercepting and analyzing network data, wireless data packets, investigating intrusions, and so on. You will further explore the technology, tools, and investigating methods using malware forensics, network tunneling, and behaviors. By the end of the book, you will gain a complete understanding of how to successfully close a case.
Table of Contents (17 chapters)
Learning Network Forensics
About the Author
About the Reviewers

Chapter 7. Proxies, Firewalls, and Routers


"Every link in the chain has its own role to play."

 --Samir Datt

Just as every link in a chain has its own role to play, every component in the network has a role to play and evidence to contribute to our investigation. In this chapter, we will exclusively focus on understanding web proxies, firewalls, and routers; reasons to investigate them; and how this would help in taking the investigation forward.

In this chapter, we will cover the following topics:

  • Getting proxies to confess

  • Making firewalls talk

  • Tales routers tell