CHAPTER 6
The Basic LAN
Mesh, smesh. Just point me to the bus.
—Anonymous Luddite
Most computing devices interact within a TCP/IP broadcast domain, a local area network (LAN), a crazy mélange of devices, from PCs to printers to smartphones to switches to thermostats to refrigerators. Securing each computing device requires attention and specific tools and technologies, as you learned in Chapter 5. Networks bring an extra layer of complexity and attack surfaces and, as you undoubtedly suspect, a whole new set of tools for security. This chapter explores securing a LAN in five modules:
• Layer 2 LAN Attacks
• Organizing LANs
• Implementing Secure Network Designs
• Virtual Private Networks
• Network-Based Intrusion Detection/Prevention
Module 6-1: ...
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