Chapter 42. Basic Security Measures Every Network Administrator Needs to Know
SOME OF THE MAIN TOPICS IN THIS CHAPTER ARE
Policies and Procedures 810 Physical Security Measures 816 The Two Sides of Security 817 System Daemons and Services 822 Removing Dead Wood 823 Delegating Authority 823 Don't Forget About Firewalls 825
Keeping a network secure is a time-consuming process that requires a lot of attention to detail. Similar to troubleshooting faulty equipment, maintaining network security is also a time-consuming practice that involves the following:
Detection of a security breach or network intrusion Finding the cause of a security breach Finding the method of an intrusion Educating users about security on a continual basis
This chapter examines security from two different angles: first, preventive measures that can be used to help keep problems from occurring in the first place, and second, tools and techniques to discover these kinds of problems.
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