Chapter 3. Device Security

Securing devices in a network is one of the most important tasks in network security. This chapter describes general principles for protecting the device itself, beginning with a device security policy. In describing these general principles, the chapter focuses on routers, switches, firewalls, concentrators, and intrusion-detection devices. The chapter describes a number of important security tasks, including accessing methods and controls, hardening configuration, identifying unwanted services, managing devices, and monitoring and auditing services. Device-specific features available for administration devices such as firewalls, concentrators, and Intrusion Prevention Systems (IPS) are also discussed. The last part ...

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