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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

Collection and monitoring methods

Viewing network traffic can be done in several ways, such as the following:

  • Simple Network Management Protocol (SNMP)
  • NetFlow and IP Flow Information Export (IPFIX)
  • Wireshark and network analysis tools
  • Streaming telemetry

Let's look at the information we can get from each one of them.

SNMP

Although considered by some as obsolete, SNMP is still by far the most popular network management tool. SNMP is based on a manager-agent model, where a management system (a manager in SNMP terminology) monitors devices by receiving information from the SNMP agent interacting with the communications device.

There are two ways that the SNMP manager (the management system) receives information from the agent, outlined as follows:

  • SNMP polling: This refers to when the SNMP manager monitors the agents on communication devices.
  • SNMP traps: This refers to when an agent on a communication device discovers a problem, and...
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