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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

Layer 2 attacks – how to generate them and how to protect against them

Layer 2 is the layer where the IP fragments from Layer 3 are transferred and are further divided into data frames to fill up the required details such as the MAC address and then transfer those frames to Layer 1, which then carries the data into 10101 format through the connecting wire. In Chapter 1, Data Centers and the Enterprise Network Architecture and its Components, in the Layer 2 protocols: STP, VLANs, and security methods section, we talked about how a LAN works, and we mentioned the types of attacks that can be performed. Dividing these attacks into categories, we talked about the following:

  • Attacks on the switching and discovery mechanism
  • Attacks on the Virtual LAN (VLAN) mechanism and VLAN flooding
  • Broadcast storms and attacks on the spanning tree protocols and loop-prevention mechanisms

Let's see how to generate and protect against these attacks.

Attacks on the switching...

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