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O'Reilly Network: Networking with TCP/IP

Aug 27, 2000, 08:42 (0 Talkback[s])
(Other stories by Dru Lavigne)

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"When you install FreeBSD, you are plunged into the wonderful world of TCP/IP. You may have heard about DNS, ports, RFCs, private ranges, and subnet masks but may be foggy on what these are and why you should care. This article will be a primer on the TCP/IP protocol for the novice and a refresher with some interesting links for those more seasoned FreeBSD users."

"First off, let's make sure you are clear on what a protocol is. By definition, a protocol is the rules of communication. If you are travelling in a foreign country, you need to be aware of the customs of that country. A gesture that may seem friendly or insignificant to you may actually be considered an insult in other parts of the world. Awareness of protocol can save you the embarassment of miscommunication...."

"TCP/IP is more than a protocol; it is a protocol suite, or collection of protocols. TCP/IP was designed to allow any operating system on any type of hardware to talk to any other computer in the world. This is something we take for granted in the age of the Internet, but before TCP/IP changed all of the rules, operating systems, hardware, and protocols were proprietary. Proprietary means that in order to exchange information with another computer, it has to be running the same hardware and the same version of the same operating system, which was provided by the vendor of the hardware."

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