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# Linux Networking-concepts HOWTO

## Rusty Russell

v1.0.1 Mon May 1 16:19:12 CST 2000

This document describes what a network (such as the Internet) is, and the very basics of how it works.

## 1. Introduction

## 2. What is a `computer network'?

## 3. What is the `Internet'?

- 3.1 How Does The Internet Work?

## 4. This IP Thing

- 4.1 Groups of IP Addresses: Network Masks

## 5. Machine Names and IP Addresses

## 6. Different Services: Email, Web, FTP, Name Serving

## 7. Dialup Interfaces: PPP

## 8. What Packets Look Like

## 9. Summary

## 10. Thanks

## 11. Index

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