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Learning Network Forensics

You're reading from   Learning Network Forensics Identify and safeguard your network against both internal and external threats, hackers, and malware attacks

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Product type Paperback
Published in Feb 2016
Publisher
ISBN-13 9781782174905
Length 274 pages
Edition 1st Edition
Concepts
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Author (1):
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Samir Datt Samir Datt
Author Profile Icon Samir Datt
Samir Datt
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Toc

Table of Contents (12) Chapters Close

Preface 1. Becoming Network 007s FREE CHAPTER 2. Laying Hands on the Evidence 3. Capturing & Analyzing Data Packets 4. Going Wireless 5. Tracking an Intruder on the Network 6. Connecting the Dots – Event Logs 7. Proxies, Firewalls, and Routers 8. Smuggling Forbidden Protocols – Network Tunneling 9. Investigating Malware – Cyber Weapons of the Internet 10. Closing the Deal – Solving the Case Index

Getting proxies to confess


Proxies are a very important component of any network. A proxy acts as an intermediary between other computers of the network and the Internet. In simple terms, this means that all the traffic entering or leaving the network should pass through the proxy server. Looking back at our previous chapter, we recall that logs can be a forensic investigator's best friend. Proxy servers can generate such logs that we can use for our investigations.

Roles proxies play

Proxy servers are usually deployed with a number of end objectives in mind. They can be used for the following:

  • Sharing a network connection on a local area network: Here, multiple users can share a single Internet connection.

  • Speeding up web access: This shared Internet connection that is accessed via a proxy allows the proxy to cache regularly demanded pages such as Google. This enables the server to immediately deliver a page that is in the cache, speeding up the web access.

  • Reducing band width usage: This...

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