· Briefly read section 1.1 and get an idea about the trend in network security.
· Read section 1.2. Some questions for thought.
§ What is the relation between threats and vulnerabilities and attacks?
§ What is the relation between security mechanism and security services?
· Section 1.4 on attacks:
§ What’s the difference between active attacks and passive attacks?
§ Read the examples of attacks.
· Section 1.4: Security services.
§ What’s X.800? Do some search in the Internet to know more about X.800 and RFC 2828.
§ Look at table 1.2 that presents a list of all security services (according to X.800).
· Section 1.5: Security Mechanisms:
§ Study table 1.3 carefully.
§ Study table 1.4 that presents relationship between services and mechanisms.
§ Try to create tables that present relationship between security services and attacks and relationship between mechanisms and attacks.
· Section 1.6 Network security model:
§ What are the basic tasks in the network security model provided in this chapter?
§ What is the significance of this model?
§ What does Internet Security Standardization mean? Why is it significant?