TCP/IP For Dummies

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Packed with the latest information on TCP/IP standards andprotocols TCP/IP is a hot topic, because it's the glue that holds theInternet and the Web together, and network administrators need tostay on top of the latest developments. TCP/IP For Dummies, 6thEdition, is both an introduction to the basics for beginners aswell as the perfect go-to resource for TCP/IP veterans. The book includes the latest on Web protocols and new hardware,plus very timely information on how TCP/IP secures connectivity forblogging, vlogging, photoblogging, and social networking.Step-by-step instructions show you how to install and set up TCP/IPon clients and servers; build security with encryption,authentication, digital certificates, and signatures; handle newvoice and mobile technologies, and much more. * Transmission Control Protocol / Internet Protocol (TCP/IP) isthe de facto standard transmission medium worldwide forcomputer-to-computer communications; intranets, private internets,and the Internet are all built on TCP/IP * The book shows you how to install and configure TCP/IP and itsapplications on clients and servers; explains intranets, extranets,and virtual private networks (VPNs); provides step-by-stepinformation on building and enforcing security; and covers all thenewest protocols * You'll learn how to use encryption, authentication, digitalcertificates, and signatures to set up a secure Internet creditcard transaction Find practical security tips, a Quick Start Security Guide, andstill more in this practical guide.

Candace Leiden consults on systems and database performance and instructional design for international courseware.

Marshall Wilensky was a consultant and network manager for multiprotocol networks at Harvard University's Graduate School of Business Administration. Both are internationally known speakers.

Keep your network up to date with the latest TCP/IP standards and protocols

Now that IPv4 and IPv6 have joined and coexist, TCP/IP administration and standards have had quite a makeover. This book helps you catch up! Learn how to handle blogs and social networks, and get the scoop on new Web protocols, wireless routers, updated hardware, new voice and mobile technologies, security procedures to defend against new threats, and a whole lot more.

  • Stack 'em up understand the TCP/IP layer stack and protocol stack
  • Pick your system configure TCP/IP on Windows 7, Windows 2008, Mac OS X, Linux, Unix, Windows Vista, or Windows XP

  • Go wireless set up a wireless router and network, configure TCP/IP for Wi-Fi, and handle security

  • Safety's your business learn to use encryption, authentication, digital certificates, and signatures, and set up secure credit card transactions

  • From 4 to 6 learn to use IPv6 solutions, build IPv6 addresses, and discover the advantages of dual protocol stacks

  • All about e-mail explore the various e-mail protocols and how to secure and configure clients and services

  • Socialize create connectivity for blogs, social networking sites, chats, and instant messaging

  • Keep users happy secure your network and sniff out problems

Open the book and find:

  • Six steps to a complete TCP/IP configuration
  • The pros and cons of trusted host files

  • Common-sense best practices for network security

  • How to configure DNS clients and servers

  • Tips for managing cookies

  • What to expect from a VoIP phone system

  • How to set up and secure mobile IP

  • Some different uses for TCP/IP


Introduction 1

About This Book 1

Conventions Used in This Book 2

Foolish Assumptions 2

How This Book Is Organized 3

Part I: TCP/IP from Names to Addresses 3

Part II: Getting Connected 3

Part III: Configuring Clients and Servers: Web, E-Mail, and Chat 4

Part IV: Even More TCP/IP Applications and Services 4

Part V: Network Troubleshooting and Security 4

Part VI: The Part of Tens 5

Icons Used in This Book 5

Where to Go from Here 6

Part I: TCP/IP from Names to Addresses 7

Chapter 1: Understanding TCP/IP Basics 9

Following Rules for the Internet: TCP/IP Protocols 10

Who's in charge of the Internet and TCP/IP? 10

Checking out RFCs: The written rules 12

Examining Other Standards Organizations That Add to the Rules 13

Distinguishing Between the Internet, an Internet, and an Intranet 13

Extending Intranets to Extranets 14

Introducing Virtual Private Networks 15

Exploring Geographically Based Networks 16

Networks connected by wires and cables 16

Wireless networks 17

The geography of TCP/IP 17

Chapter 2: Layering TCP/IP Protocols 19

Taking a Timeout for Hardware 19

Starting with network connection media 20

Colliding with Ethernet 20

Stacking the TCP/IP Layers 22

Layer 1: The physical layer 23

Layer 2: The data link layer 24

Layer 3: The internet layer 24

Layer 4: The transport layer 24

Layer 5: The application layer 25

TCP/IP For Dummies, 6th Edition viii

Chewing through Network Layers: A Packet's Journey 25

Understanding TCP/IP: More than just protocols 27

Determining whether your network has a protocol, an application, or a service 27

Plowing through the Protocol List (In Case You Thought Only Two Existed) 28

Physical layer protocols 29

Data link layer protocols 29

Internet layer protocols 29

Transport layer protocols 31

Application layer protocols 36

Chapter 3: Serving Up Clients and Servers 43

Understanding the Server Side 43

Examining the server's job 44

Identifying types of servers 44

Using dedicated servers 45

Understanding the Client Side 45

Defining a client 45

Clients, clients everywhere 46

Answering the Question Are You Being Served? 46

Supporting TCP/IP with Client/Server and Vice Versa 47

Recognizing Other Internetworking Styles: Peer-to-Peer Computing 47

Determining whether peer-to-peer workgroups are still handy 48

P2P applications P2P across the Internet 48

Chapter 4: Nice Names and Appetizing Addresses 51

What Did You Say Your Host's Name Is? 52

Playing the numbers game 52

Identifying a computer as uniquely yours 53

Translating names into numbers 54

Taking a Closer Look at IP Addresses 54

Savoring Classful Addressing 55

Recognizing the Parts of an IP Address 56

Class A is for a few enormous networks 57

Class B is for lots of big networks 57

Class C is for millions of small networks 57

Class D is for multicasting 57

Biting Down on Bits and Bytes 58

Obtaining an IP Address 60

Choosing whether to go public or stay private 60

Obeying the network police 61

Obtaining a globally unique IP address 61

Acquiring a static address 62

Getting dynamic addresses with DHCP 62

Finding out your IP address 62

Table of Contents ix

Resolving Names and Addresses with DNS 64

Understanding the minimum amount of information about DNS 64

Using DNS to Do Nifty Searches 65

Describing Fully Qualified Domain Names (FQ...

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TCP/IP For Dummies
E-Book (pdf)
For Dummies
For Dummies
Datenkommunikation, Netzwerke
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10.98 MB
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6. Aufl.
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