Chapter 1

Introducing Linux Security


check Establishing basic security

check Understanding host-related security issues

check Understanding network-related security issues

check Interpreting computer security terminology

check Keeping up with security news and updates

This chapter explains why you need to worry about security — and offers a high-level view of how to get a handle on security. I explain the idea of an overall security framework and discuss the two key aspects of security: host security and network security. I end the chapter introducing you to the terminology used in discussing computer security.

tip According to the weighting, 15 percent of the questions on the LX0-104 exam fall under the Security domain. This number should be viewed as being very conservative because so much of administration involves security. You’ll find topics related to it appearing in domains such as Administrative ...

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