Emerging Security Technologies

Table of contents:

Applied Knowledge Questions

The following questions are designed to test your knowledge of network security technologies and sometimes build on knowledge found elsewhere in the book. You might find that a question has more than one possible answer. The answers provided in Appendix B are intended to reinforce concepts that you can apply in your own networking environment.

In this chapter, questions 1 to 5 relate to concepts you read about. Question 6 is offered as an exercise for you to apply in your own organization; there is no one correct answer for this question.


In Table 4-9, file system checking is listed as detecting both web application and buffer overflow attacks (the two elements of the application manipulation subclass). How does it do this?


If you usually use OTP through TACACS+ when authenticating administrators to network devices, how would you deal with an automated script that checks configurations or upgraded software images?


When might SSL be used instead of IPsec for a VPN deployment?


If you don't need the level of user control that proxy servers offer for all your users, what kinds of users still might benefit from the technology?


Besides running AV software, what else is equally important in stopping the spread of viruses?


Find at least three places in this chapter where you disagree with the rating values I've assigned to security technology. Consider building the included tables yourself and assigning your own values. Did the overall score of any technology significantly change? Did the top technology in any category change?

Part I. Network Security Foundations

Network Security Axioms

Security Policy and Operations Life Cycle

Secure Networking Threats

Network Security Technologies

Part II. Designing Secure Networks

Device Hardening

General Design Considerations

Network Security Platform Options and Best Deployment Practices

Common Application Design Considerations

Identity Design Considerations

IPsec VPN Design Considerations

Supporting-Technology Design Considerations

Designing Your Security System

Part III. Secure Network Designs

Edge Security Design

Campus Security Design

Teleworker Security Design

Part IV. Network Management, Case Studies, and Conclusions

Secure Network Management and Network Security Management

Case Studies



Appendix A. Glossary of Terms

Appendix B. Answers to Applied Knowledge Questions

Appendix C. Sample Security Policies

INFOSEC Acceptable Use Policy

Password Policy

Guidelines on Antivirus Process


Network Security Architectures
Network Security Architectures
ISBN: 158705115X
EAN: 2147483647
Year: 2006
Pages: 249
Authors: Sean Convery

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