Chapter 14 - Network Security:
Firewalls and VPNs

Objectives

• List and distinguish between the four conditions of security
• Understand how privacy can be achieved through encryption/decryption
• Understand the digital signature concept and how it can be used to provide authentication, integrity and nonrepudiation
• Understand firewalls and their use in isolating an organisation from intruders
• Be familiar with VPN technology and how it provides privacy
• Understand the different access control methods

Homework

• Review Questions: 1, 3, 9, 10, 11
• Vocabulary
• Quiz - Answer questions 1 and 2, plus 2 of your choice. Answers should be about a half page in length each
• Test