Network Security, Firewalls, and VPNs > Technical Overview of Network Security, Firewalls, and VPNs > VPN Technologies

Table of Contents

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Table of Contents

Preface

Pt. ONE. Foundations of Network Security

Pt. TWO. Technical Overview of Network Security, Firewalls, and VPNs

Ch. 5. Network Security Implementation

Ch. 6. Network Security Management

Ch. 7. Exploring the Depths of Firewalls

Ch. 8. Firewall Deployment Considerations

Ch. 9. Firewall Management and Security Concerns

Ch. 10. Using Common Firewalls

Ch. 11. VPN Management

Ch. 12. VPN Technologies

Differences Between Software and Hardware Solutions

Differences Between Layer 2 and Layer 3 VPNs

Internet Protocol Security (IPSec)

Layer 2 Tunneling Protocol (L2TP)

Secure Sockets Layer (SSL)/Transport Layer Security (TLS)

Secure Shell (SSH) Protocol

Establishing Performance and Stability for VPNs

Using VPNs with Network Address Translation (NAT)

Types of Virtualization

Differences Between Internet Protocol (IP) Version 4 and Internet Protocol (IP) Version 6

CHAPTER SUMMARY

KEY CONCEPTS AND TERMS

CHAPTER 12 ASSESSMENT

Pt. THREE. Implementation, Resources, and the Future

Index

CHAPTer VPN Technologies 12 V IRTUAL PRIVATE NETWORK (VPN)isageneralindustrytermthatactually coversamanydifferenttechnologies.Askanyonewhoworksinalarge companyandneedstoaccessacorporatenetworkremotelyandhe orshewillprobablyconfi rmusingaVPNtoconnecttothenetworkandget tohisorhere-mail,intranet,andothercorporateapplications.Askhimorher howthatVPNworks,however,andyouwillalmostalwaysgetablankstare. Endusersaretypicallyinterestedonlyintheresultofasolution,notinhow itworks.Foryoutheinformationsecuritypractitioner,however,justhow aVPNworksisasimportantaswhatbenefi tsaVPNprovidesyourorganization.

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Contents

Part TWO: Technical Overview of Network ... > VPN Technologies - Pg. 347