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Network Protocols for Security Professionals

You're reading from   Network Protocols for Security Professionals Probe and identify network-based vulnerabilities and safeguard against network protocol breaches

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Product type Paperback
Published in Oct 2022
Publisher Packt
ISBN-13 9781789953480
Length 580 pages
Edition 1st Edition
Languages
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Authors (2):
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Deepanshu Khanna Deepanshu Khanna
Author Profile Icon Deepanshu Khanna
Deepanshu Khanna
Yoram Orzach Yoram Orzach
Author Profile Icon Yoram Orzach
Yoram Orzach
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Toc

Table of Contents (23) Chapters Close

Preface 1. Part 1: Protecting the Network – Technologies, Protocols, Vulnerabilities, and Tools
2. Chapter 1: Data Centers and the Enterprise Network Architecture and its Components FREE CHAPTER 3. Chapter 2: Network Protocol Structures and Operations 4. Chapter 3: Security Protocols and Their Implementation 5. Chapter 4: Using Network Security Tools, Scripts, and Code 6. Chapter 5: Finding Protocol Vulnerabilities 7. Part 2: Network, Network Devices, and Traffic Analysis-Based Attacks
8. Chapter 6: Finding Network-Based Attacks 9. Chapter 7: Detecting Device-Based Attacks 10. Chapter 8: Network Traffic Analysis and Eavesdropping 11. Chapter 9: Using Behavior Analysis and Anomaly Detection 12. Part 3: Network Protocols – How to Attack and How to Protect
13. Chapter 10: Discovering LAN, IP, and TCP/UDP-Based Attacks 14. Chapter 11: Implementing Wireless Network Security 15. Chapter 12: Attacking Routing Protocols 16. Chapter 13: DNS Security 17. Chapter 14: Securing Web and Email Services 18. Chapter 15: Enterprise Applications Security – Databases and Filesystems 19. Chapter 16: IP Telephony and Collaboration Services Security 20. Assessments 21. Index 22. Other Books You May Enjoy

Packet analysis tools – Wireshark, TCPdump, and others

As we all know that at Open Source Interconnection (OSI) layer-3, which is also known as the network layer, the whole communication from one machine to another is in the form of packets. These packets contain the actual information carried over the network channels.

So, the term packet analysis is known as the interception or sniffing of ongoing data to analyze the information, to perform attacks such as a Man in the Middle (MITM) attack, information theft, and forensic analysis. Packet analysis has proved to be very important during red-team operations, especially while bypassing initial network security controls such as Network Access Control (NAC) and performing lateral movements.

The following are some aspects where packet analysis can be very useful:

  • To analyze the issues in a network such as bandwidth choking and communication issues.
  • To identify whether a network is compromised and an attacker is...
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