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CCNA Security 210-260 Certification Guide

You're reading from   CCNA Security 210-260 Certification Guide Build your knowledge of network security and pass your CCNA Security exam (210-260)

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781787128873
Length 518 pages
Edition 1st Edition
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Authors (3):
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Glen D. Singh Glen D. Singh
Author Profile Icon Glen D. Singh
Glen D. Singh
Vijay Anandh Vijay Anandh
Author Profile Icon Vijay Anandh
Vijay Anandh
Michael Vinod Michael Vinod
Author Profile Icon Michael Vinod
Michael Vinod
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Toc

Table of Contents (19) Chapters Close

Preface 1. Exploring Security Threats FREE CHAPTER 2. Delving into Security Toolkits 3. Understanding Security Policies 4. Deep Diving into Cryptography 5. Implementing the AAA Framework 6. Securing the Control and Management Planes 7. Protecting Layer 2 Protocols 8. Protecting the Switch Infrastructure 9. Exploring Firewall Technologies 10. Cisco ASA 11. Advanced ASA Configuration 12. Configuring Zone-Based Firewalls 13. IPSec – The Protocol that Drives VPN 14. Configuring a Site-to-Site VPN 15. Configuring a Remote-Access VPN 16. Working with IPS 17. Application and Endpoint Security 18. Other Books You May Enjoy

Protecting Layer 2 Protocols

This chapter deals with the concept of protecting the resources/IT infrastructure from internal threats. Internal threats refer to people who are recruited by the organization as employees who are provided access to the internal resources. Mostly organizations focus on securing the network from external threats but fail to address the internal vulnerabilities.

Traditionally, internal users have been able to connect a PC to a switched network and gain immediate access to enterprise resources. As networks grow and resources become available, it is important to limit the access that internal users receive. More technically, a user from the HR department should have a connection to the port that terminates on their respective desk. Access to switches is a convenient entrypoint for internal attackers whose intent is to unlawfully gain access to an enterprise...

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