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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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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

Types of tunneling protocols


As we have learned in the previous sections, a tunnel is a way of shipping a foreign protocol across a network that will not support it directly. Let's take a look at the different tunneling protocols and their characteristics to see how this is done.

The Point-to-Point Tunneling Protocol

Point-to-Point Tunneling Protocol is also known as PPTP. This was created by a consortium including Microsoft and other companies. PPTP is a fast protocol that, besides Windows, is also available to Linux and Mac users.

While PPTP does not have an inbuilt capability to provide traffic encryption, it relies on the Point-to-Point Protocol (PPP) to provide security measures during transmission.

PPTP allows traffic with different protocols to be encrypted and then encapsulated in an IP datagram to be sent across an IP network such as the Internet.

PPTP encapsulates PPP frames in the IP datagrams using a modified version of Generic Routing Encapsulation (GRE). A TCP connection is used...

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