Chapter 6

Dealing with TCP/IP


Bullet Getting a handle (or two) on the binary system

Bullet Digging into IP addresses

Bullet Finding out how subnetting works

Bullet Understanding private and public IP addresses

Bullet Looking at network address translation

Bullet Finding out how DHCP works

Bullet Understanding how DNS works

Transmission Control Protocol/Internet Protocol — TCP/IP — is the basic protocol by which computers on a network talk to each other. Without TCP/IP, networks wouldn’t work. In this chapter, I introduce you to the most important concepts of TCP/IP.

Warning This chapter is far and away the most technical chapter in this book. It helps you examine the binary system, the details of how IP addresses are constructed, ...

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