Networking All-in-One Desk Reference For Dummies (For Dummies (Computer/Tech))

The first computer network was invented when ancient mathematicians connected their abacuses (or is it abaci?) together with string so they could instantly share their abacus answers with each other so they could get their work done faster. Team DDU Networking All-in-One Desk Reference for Dummies 4 Cover 4 Table of Contents 5 Introduction 26 About This Book 27 How to Use This Book 28 How This Book Is Organized 28 Book I: Networking Basics 28 Book II: Building a Network 29 Book III: Network Administration and Security 29 Book IV: Network Troubleshooting and Disaster Planning 29 Book V: TCP/IP and the Internet 29 Book VI: Wireless and Home Networking 30 Book VII: Windows 2000 and 2003 Server Reference 30 Book VIII: NetWare 6 Reference 30 Book IX: Linux Reference 30 Icons Used in This Book 31 Where to Go from Here 31 Book I: Networking Basics 32 Chapter 1: Understanding Networks 34 What Is a Network? 34 Network building blocks 35 Why bother? 36 Of Clients and Servers 37 Dedicated Servers and Peers 38 Networks Big and Small 39 Network Topology 40 Bus topology 40 Star topology 41 Expanding stars 42 Ring topology 42 Mesh topology 43 The Downside of Networking 44 It’s not a personal computer anymore! 44 Network administration: Someone has to do it 46 Chapter 2: Understanding Network Protocols and Standards 48 Understanding Protocols 48 Understanding Standards 50 The Seven Layers of the OSI Reference Model 51 The Physical Layer 52 The Data Link Layer 53 How CSMA/CD works 55 How token passing works 56 The Network Layer 56 Logical addressing 56 Routing 58 The Transport Layer 58 The Session Layer 60 The Presentation Layer 60 The Application Layer 61 Following a Packet through the Layers 61 The Ethernet Protocol 63 Standard Ethernet 64 Fast Ethernet 65 Gigabit Ethernet 65 The TCP/IP Protocol Suite 66 IP 67 TCP 67 UDP 68 The IPX/SPX Protocol Suite 69 Other Protocols Worth Knowing About 70 Chapter 3: Understanding Network Hardware 72 Servers 72 What’s important in a server 72 Components of a server computer 73 Server form factors 76 Network Interface Cards 78 Network Cable 79 Coaxial cable 79 Twisted-pair cable 80 Hubs and Switches 82 Repeaters 85 Bridges 87 Routers 88 Network Attached Storage 89 Chapter 4: Understanding Network Operating Systems 92 Network Operating System Features 92 Network support 92 File sharing services 93 Multitasking 93 Directory services 95 Security services 95 Microsoft’s Server Operating Systems 96 Windows NT 4 Server 96 Windows 2000 Server 98 Windows Server 2003 99 Novell NetWare 101 NetWare versions 101 NetWare 6 features 102 NetWare 6.5 103 Other Server Operating Systems 103 Linux 103 Apple Mac OS/X Server 103 Peer-to-Peer Networking with Windows 104 Advantages of peer-to-peer networks 104 Drawbacks of peer-to-peer networks 105 Windows XP 106 Older Windows versions 107 Book II: Building a Network 108 Chapter 1: Planning a Network 110 Making a Network Plan 110 Being Purposeful 111 Taking Stock 112 What you need to know 112 Programs that gather information for you 115 To Dedicate or Not to Dedicate: That Is the Question 116 Types of Servers 117 File servers 117 Print servers 117 Web servers 117 Mail servers 118 Database servers 118 Choosing a Server Operating System 118 Planning the Infrastructure 119 Drawing Diagrams 120 Sample Network Plans 121 Building a small network: California Sport Surface, Inc. 121 Connecting two networks: Creative Course Development, Inc. 123 Improving network performance: DCH Accounting 125 Chapter 2: Installing Network Hardware 128 Installing a Network Interface Card 128 Installing Twisted-Pair Cable 130 Cable categories 130 What’s with the pairs? 131 To shield or not to shield 131 When to use plenum cable 132 Sometimes solid, sometimes stranded 132 Installation guidelines 133 Getting the tools that you need 134 Pinouts for twisted-pair cables 135 Attaching RJ-45 connectors 136 Crossover cables 137 Wall jacks and patch panels 138 Installing Coaxial Cable 139 Attaching a BNC connector to coaxial cable 140 Installing Hubs and Switches 141 Daisy-chaining hubs or switches 142 Chapter 3: Setting up a Network Server 144 The Many Ways to Install a Network Operating System 144 Full install versus upgrade 144 Installing over the network 145 Automated and remote installations 146 Gathering Your Stuff 147 A capable server computer 147 The server operating system 147 Other software 148 A working Internet connection 148 A good book 148 Making Informed Decisions 149 Final Preparations 150 Installing a Network Operating System 150 Phase 1: Collecting Information 151 Phase 2: Dynamic Update 151 Phase 3: Preparing Installation 152 Phase 4: Installing Windows 152 Phase 5: Finalizing Installation 153 Life After Setup 153 Logging on 153 Activating Windows 154 Service packs 156 Testing the installation 156 Configuring Server Roles 156 Chapter 4: Configuring Client Computers 160 Configuring Network Connections 160 Windows XP and Windows 2000 161 Windows 9x 166 Configuring Client Computer Identification 166 Windows XP and Windows 2000 167 Windows 9x 168 Configuring Network Domain Logon 169 Windows XP and Windows 2000 169 Windows 9x 170 Chapter 5: Configuring Other Network Features 174 Configuring Network Printers 174 Adding a network printer 174 Accessing a network printer using a Web interface 176 Configuring Internet Access 178 Configuring clients for DHCP 178 Disabling dialup connections 180 Using Internet Connection Sharing 182 Mapping Network Drives 183 Chapter 6: Verifying Your Network Installation 186 Is the Computer Connected to the Network? 186 Is the Network Configuration Working? 187 Can the Computers Ping Each Other? 189 Can You Log On? 189 Are Network Drives Mapped Correctly? 190 Do Network Printers Work? 190 Book III: Network Administration and Security 192 Chapter 1: Help Wanted: Job Description for a Network Administrator 194 Figuring Out What Network Administrators Do 194 Choosing the Part-Time Administrator 196 Documenting the Network 197 Completing Routine Chores 199 Managing Network Users 199 Patching Things Up 200 Discovering Software Tools for Network Administrators 201 Building a Library 202 Certification 203 Knowing When the Guru Needs a Guru, Too 206 Mastering Helpful Bluffs and Excuses 207 Chapter 2: Security 101 208 Do You Need Security? 209 Two Approaches to Security 210 Physical Security: Locking Your Doors 210 Securing User Accounts 212 Obfuscating your usernames 212 Using passwords wisely 213 Generating Passwords For Dummies 214 Securing the Administrator account 215 Hardening Your Network 215 Using a firewall 216 Disabling unnecessary services 216 Patching your servers 216 Securing Your Users 216 Chapter 3: Managing User Accounts 218 User Accounts 218 Built-In Accounts 219 The Administrator account 219 The Guest account 220 Service accounts 220 User Rights 221 Permissions (Who Gets What) 222 Group Therapy 224 User Profiles 224 Logon Scripts 225 Chapter 4: Firewalls and Virus Protection 226 Firewalls 226 The Many Types of Firewalls 228 Packet filtering 228 Stateful packet inspection (SPI) 230 Circuit-level gateway 230 Application gateway 231 The Built-In Firewall in Windows XP 231 Virus Protection 232 What is a virus? 232 Antivirus programs 234 Safe computing 235 Book IV: Network Troubleshooting and Disaster Planning 236 Chapter 1: Solving Network Problems 238 When Bad Things Happen to Good Computers 239 How to Fix Dead Computers 240 Ways to Check a Network Connection 241 A Bunch of Error Messages Just Flew By! 242 Double-Checking Your Network Settings 243 Using the Windows Networking Troubleshooter 243 Time to Experiment 244 Who’s on First 245 How to Restart a Client Computer 246 Restarting Network Services 248 How to Restart a Network Server 249 Looking at Event Logs 251 Documenting Your Trials and Tribulations 252 Chapter 2: Network Performance Anxiety 254 Why Administrators Hate Performance Problems 254 What Exactly Is a Bottleneck? 255 The Five Most Common Network Bottlenecks 257 The hardware inside your servers 257 The server’s configuration options 257 Servers that do too much 258 The network infrastructure 259 Malfunctioning components 259 Tuning Your Network the Compulsive Way 259 Monitoring Network Performance 260 More Performance Tips 262 Chapter 3: Protecting Your Network 264 Backing Up Your Data 264 All About Tapes and Tape Drives 265 Backup Software 266 Types of Backups 267 Normal backups 268 Copy backups 269 Daily backups 269 Incremental backups 269 Differential backups 270 Local versus Network Backups 271 How Many Sets of Backups Should You Keep? 272 A Word About Tape Reliability 273 About Cleaning the Heads 274 Backup Security 275 Chapter 4: Disaster Recovery and Business Continuity Planning 276 Assessing Different Types of Disasters 277 Environmental disasters 277 Deliberate disasters 278 Disruption of services 278 Equipment failure 279 Other disasters 279 Analyzing the Impact of a Disaster 279 Developing a Business Continuity Plan 280 Holding a Fire Drill 281 Chapter 5: Dealing with Dysfunctional E-Mail 284 Coping with the Dreaded Nondelivery Report 284 Viewing the Mail Server’s Error Logs 286 Checking Out a Remote Mail System 286 Discovering the mail server for a domain 286 Verifying a mail server 288 Viewing Message Headers 290 Help! I’ve Been Blacklisted! 290 Book V: TCP/IP and the Internet 292 Chapter 1: Introduction to TCP/IP and the Internet 294 What Is the Internet? 294 A Little Internet History 296 TCP/IP Standards and RFCs 297 The TCP/IP Protocol Framework 299 Network Interface layer 299 Network layer 300 Transport layer 300 Application layer 300 Chapter 2: Understanding IP Addresses 302 Understanding Binary 302 Counting by ones 302 Doing the logic thing 304 Working with the binary Windows Calculator 305 Introducing IP Addresses 307 Networks and hosts 307 The dotted-decimal dance 308 Classifying IP Addresses 308 Class A addresses 310 Class B addresses 311 Class C addresses 312 Subnetting 313 Subnets 313 Subnet masks 314 Network prefix notation 315 Default subnets 316 The great subnet roundup 316 IP block parties 319 Variable-length subnet masking 320 Supernetting 322 Private and public addresses 322 Network Address Translation 323 Chapter 3: Using DHCP 326 Understanding DHCP 326 Configuration information provided by DHCP 327 DHCP servers 327 How DHCP actually works 328 Understanding Scopes 329 Feeling excluded? 330 Reservations suggested 330 How long to lease? 332 Working with a DHCP Server 332 Installing and configuring a DHCP server 332 Managing a DHCP server 337 How to Configure a Windows DHCP Client 338 Automatic Private IP Addressing 339 Renewing and releasing leases 339 Chapter 4: Using DNS 342 Understanding DNS Names 342 Domains and domain names 343 Fully qualified domain names 345 Top-Level Domains 345 Generic domains 345 Geographic domains 347 The Hosts File 348 Understanding DNS Servers and Zones 351 Zones 351 Primary and secondary servers 353 Root servers 353 Caching 356 Understanding DNS Queries 357 A real-life example 358 Zone Files and Resource Records 359 SOA records 360 NS records 362 A records 362 CNAME records 363 PTR records 363 MX records 363 Reverse Lookup Zones 364 Working with the Windows DNS Server 365 How to Configure a Windows DNS Client 367 Chapter 5: Using FTP 370 Introducing FTP 370 Configuring an FTP Server 371 Installing FTP 371 Changing the FTP site properties 372 Adding content to your FTP site 374 Adding an additional FTP site 374 Accessing an FTP Site with a Browser 375 Using an FTP Command-Line Client 376 FTP Command and Subcommand Reference 379 The FTP command 379 Summary of FTP subcommands 380 ! (Escape) 382 ? (Help) 382 Append 382 ASCII 383 Bell 383 Binary 383 Bye 383 Cd 383 Close 384 Debug 384 Delete 384 Dir 385 Disconnect 385 Get 385 Glob 386 Hash 386 Help 386 Lcd 386 Literal 387 Ls 387 Mdelete 387 Mdir 387 Mget 388 Mkdir 388 Mls 388 Mput 388 Open 389 Prompt 389 Put 389 Pwd 390 Quit 390 Quote 390 Recv 390 Remotehelp 391 Rename 391 Rmdir 391 Send 391 Status 392 Trace 392 Type 392 User 393 Verbose 393 Chapter 6: TCP/IP Tools and Commands 394 Arp 394 Hostname 395 IPConfig 395 Displaying basic IP configuration 396 Displaying detailed configuration information 396 Renewing an IP lease 397 Releasing an IP lease 398 Flushing the local DNS cache 398 Nbtstat 399 Netdiag 400 Netstat 403 Displaying connections 403 Displaying interface statistics 404 Nslookup 406 Looking up an IP address 406 Using Nslookup subcommands 406 Displaying DNS records 407 Locating the mail server for an e-mail address 409 Taking a ride through DNS-Land 410 PathPing 413 Ping 414 Route 416 Displaying the routing table 416 Modifying the routing table 418 Tracert 419 Winipcfg 422 Book VI: Wireless and Home Networking 424 Chapter 1: Networking Your Home 426 Deciding Why You Need a Network 426 Choosing How to Network Your Home 428 Phone line networks 429 Power line networks 430 USB networks 431 Wireless networks 431 Cabled Ethernet 433 Strange Things to Add To Your Network 434 A Home Network Example 435 Chapter 2: Connecting to the Internet with Internet Explorer 438 Some General Tips 438 Deciding How to Connect 439 Choosing dialup 439 Choosing cable 441 Choosing DSL 443 Choosing a Provider 445 Online services 446 Basic Internet service providers 448 Getting Internet Explorer 450 Setting Up Your Internet Connection 451 Chapter 3: Home Networking with Windows XP 456 Using the Windows XP Network Setup Wizard 456 Deciding on computer names 457 Running the wizard 457 Setting Up a Network without the Wizard 460 Configuring the network connection 460 Identifying your computer 463 Sharing Hard Drive Files 464 Understanding hard drive sharing 465 Four good uses for a shared folder 465 Designating a shared drive or folder 466 Oh, the Network Places You’ll Go 468 Mapping network drives 470 Sharing a Printer 472 Designating a shared printer 472 Adding a network printer 473 Using a network printer 475 Sharing an Internet Connection 475 Setting up a firewall 477 Using a broadband router 478 Managing Your Home Network 478 Chapter 4: Setting Up a Wireless Network 480 Diving into Wireless Networking 481 A Little High School Electronics 481 Waves and frequencies 482 Wavelength and antennas 482 Spectrums and the FCC 484 Eight-Oh-Two-Dot-Eleventy Something? (Or, Understanding Wireless Standards) 485 Home on the Range 486 Wireless Network Adapters 487 Wireless Access Points 488 Infrastructure mode 490 Multifunction WAPs 491 Roaming 492 Wireless bridging 492 Ad-hoc networks 492 Configuring a Wireless Access Point 493 Basic configuration options 493 DHCP configuration 495 Configuring Windows XP for Wireless Networking 496 Using a Wireless Network with Windows XP 497 Chapter 5: Securing a Wireless Network 500 Understanding Wireless Security Threats 500 Intruders 501 Freeloaders 502 Eavesdroppers 502 Jamming 503 Rogue access points 503 What About Wardrivers and Warchalkers? 504 Wardriving 504 Warchalking 505 Securing Your Wireless Network 506 Changing the password 506 Securing the SSID 507 Enabling WEP 508 Using MAC address filtering 509 Placing your access points outside the firewall 511 Book VII: Windows 2000 and 2003 Server Reference 512 Chapter 1: Installing and Configuring Windows 2000 and 2003 Server 514 Planning a Windows Server Installation 514 Checking system requirements 514 Reading the release notes 515 Deciding whether to upgrade or install 515 Considering your licensing options 516 Thinking about multiboot 516 Choosing a file system 517 Planning your partitions 518 Deciding your TCP/IP configuration 519 Choosing workgroups or domains 519 Before You Install 520 Backing up 520 Checking the event logs 520 Uncompressing data 520 Disconnect UPS devices 521 Running Setup 521 Now What? 524 Chapter 2: Managing User Accounts 526 Understanding Windows User Accounts 526 Local accounts versus domain accounts 526 User account properties 527 The Administrator account 527 Creating a New User 528 Setting User Properties 531 Changing the user’s contact information 531 Setting account options 532 Specifying logon hours 533 Restricting access to certain computers 534 Setting the user’s profile information 534 Resetting User Passwords 535 Disabling and Enabling User Accounts 536 Deleting a User 537 Working with Groups 537 Group types 538 Group scope 538 Default groups 539 Creating a group 540 Adding a member to a group 541 User Profiles 543 Types of user profiles 543 Creating a roaming profile 544 Chapter 3: Managing a File Server 546 Understanding Permissions 546 Understanding Shares 548 Configuring the File Server Role 549 Managing Your File Server 552 Sharing a folder from the File Server Manager 553 Sharing a folder without the wizard 556 Granting permissions 557 Advanced Features for Managing File Servers 560 Configuring offline settings 560 Setting up shadow copies 561 Dealing with users 562 Chapter 4: Managing Security 564 Configuring Account Policies 564 Password policies 564 Account lockout policy 565 Kerberos policy 566 Setting account policies 567 Encrypting Files and Folders 568 Understanding public key encryption 569 Understanding EFS 570 Encrypting a folder 570 Sharing an encrypted folder with other users 571 Auditing Security Events 572 Chapter 5: Troubleshooting 576 Working with the Event Viewer 576 Using the Event Viewer 576 Setting event log policies 578 Monitoring Performance 579 Using the Performance Console 580 Creating performance logs 582 Using the Computer Management Console 584 Working with Services 586 Chapter 6: Windows Commands 588 Using a Command Window 588 Opening and closing a command window 589 Editing commands 589 Using the Control menu 590 Special Command Tricks 590 Wildcards 591 Chaining commands 591 Redirection and Piping 592 Environment variables 593 Batch files 594 Using Windows Net Commands 595 The Net Accounts command 596 The Net Computer command 597 The Net Config command 597 The Net Continue command 598 The Net File command 598 The Net Group command 599 The Net Help command 600 The Net Helpmsg command 601 The Net Localgroup command 601 The Net Name command 603 The Net Pause command 603 The Net Print command 604 The Net Send command 605 The Net Session command 606 The Net Share command 606 The Net Start command 608 The Net Statistics command 608 The Net Stop command 609 The Net Time command 609 The Net Use command 610 The Net User command 611 The Net View command 613 Book VIII: NetWare 6 Reference 614 Chapter 1: Installing and Managing NetWare 6 616 Planning a NetWare Installation 616 Checking system requirements 616 Figuring out how you’ll boot during installation 617 Reading the Readme file 618 Deciding whether to upgrade or install 618 Planning your partitions 619 Deciding your TCP/IP configuration 619 Planning your tree 619 Running nwdeploy.exe 620 Installing NetWare 620 Installing Client Software 626 Looking at Novell’s Administration Tools 626 ConsoleOne 627 The Welcome Brigade 628 Web Manager 628 eDirectory Administration 630 Remote Manager 630 iManage 632 RConsoleJ 633 Chapter 2: Managing User Objects 636 Understanding NetWare User Accounts 636 The Admin Object 637 Creating a New User 637 Setting User Properties 640 The General tab 641 The Restrictions tab 641 The Memberships tab 642 The Security Equal To Me tab 643 The Logon Script tab 643 The NDS Rights tab 643 The Other tab 643 The Rights To Files And Folders tab 643 Some Common User Maintenance Chores 645 Resetting user passwords 645 Disabling and enabling user accounts 645 Deleting a user 645 Working with Groups 645 Chapter 3: TCP/IP and NetWare 6 648 Configuring TCP/IP with INETCFG 648 Preparing for DNS and DHCP 652 Configuring the DNS and DHCP Scope 653 Setting up a DNS Server 654 Step 1: Creating a DNS server 654 Step 2: Creating a zone 656 Step 3: Creating the reverse-lookup zone 657 Step 4: Creating resource records 658 Step 5: Starting the DNS service 660 Setting Up a DHCP Server 660 Step 1: Creating a DHCP server 661 Step 2: Creating a subnet pool 663 Step 3: Creating a subnet 664 Step 4: Creating subnet address ranges 665 Step 5: Creating IP address records 666 Step 6: Starting the DHCP service 667 Chapter 4: NetWare Login Scripts 668 Understanding Login Scripts 668 Creating Login Scripts 669 Creating a container or user script 669 Creating a profile script 671 Login Script Basics 674 The Attach command 674 The Display command 674 The Exit command 675 The Fire Phasers command 675 Identifier variables 675 The If Command 676 The Include command 677 The Map command 677 The No_Default command 678 The Pause command 678 The Set command 679 The Write command 679 Chapter 5: NetWare Console Commands 680 Broadcast 680 Cls 681 Config 682 Disable Login 682 Dismount 683 Display Environment 683 Display Modified Environment 684 Down 684 Edit 685 Enable Login 685 Help 686 Load 686 Modules 687 Mount 687 Scrsaver 688 Secure Console 688 Set 688 Send 689 Unload 689 Version 690 Book IX: Linux Reference 692 Chapter 1: Installing a Linux Server 694 Planning a Linux Server Installation 694 Checking system requirements 694 Choosing a distribution 695 Figuring out how you’ll boot during installation 696 Thinking about multiboot 697 Planning your partitions 698 Deciding your TCP/IP configuration 698 Installing Red Hat Linux 9 699 Using the Setup Agent 712 Installing Additional Packages 713 Chapter 2: Getting Used to Linux 718 Linux: It Isn’t Windows 718 X Window 718 Virtual consoles 719 Understanding the file system 719 On Again, Off Again 720 Logging on 721 Logging off 722 Shutting down 722 Using GNOME 723 Getting to a Command Shell 724 Managing User Accounts 725 Chapter 3: Basic Linux Network Configuration 728 Using the Red Hat Network Configuration Program 728 Restarting Your Network 731 Working with Network Configuration Files 732 The Network file 733 The Hostname file 734 The Ifcfg files 734 The Hosts file 735 The resolv.conf file 736 The nsswitch.conf file 736 The xinetd.conf file 738 Displaying Your Network Configuration with the ifconfig Command 739 Chapter 4: Doing the Samba Dance 740 Understanding Samba 740 Installing Samba 741 Starting and Stopping Samba 742 Using the Red Hat Samba Server Configuration Tool 744 Configuring server settings 744 Configuring server users 746 Creating a share 747 Editing the smb.conf File 749 Using the Samba Client 751 Chapter 5: Running Internet Servers 754 Running a DHCP Server 754 Installing DHCP 755 Configuring DHCP 756 Starting DHCP 757 Running a DNS Server 758 Installing BIND 758 Looking at BIND configuration files 759 named.conf 759 named.custom 760 named.ca 760 named.local 762 Zone files 763 Creating a zone with the Red Hat BIND configuration tool 764 Restarting BIND 768 Running Sendmail 769 Installing Sendmail 769 Modifying sendmail.mc 770 Setting up aliases 772 Running a Web Server 772 Installing Apache 772 Configuring Apache 774 Creating Web pages 775 Chapter 6: Linux Commands 776 Command Shell Basics 776 Getting to a shell 776 Editing commands 778 Wildcards 778 Redirection and piping 778 Environment variables 779 Shell scripts 780 Directory and File Handling Commands 781 The pwd command 781 The cd command 781 The mkdir command 782 The rmdir command 782 The ls command 782 The cp command 784 The rm command 785 The mv command 785 The touch command 786 The cat command 786 Commands for Working with Packages and Services 787 The service command 788 The rpm command 789 Commands for Administering Users 790 The useradd command 790 The usermod command 792 The userdel command 792 The chage command 792 The passwd command 793 The newusers command 793 The groupadd command 794 The groupdel command 794 The gpasswd command 795 Commands for Managing Ownership and Permissions 796 The chown command 796 The chgrp command 796 The chmod command 797 Networking Commands 798 The hostname command 798 The ifconfig command 798 The netstat command 799 The ping command 801 The route command 802 The traceroute command 802 Book X: Appendixes 804 Appendix A: Directory of Useful Web Sites 806 Certification 806 Hardware 806 Home Networking 807 Linux Sites 808 Magazines 809 Microsoft 809 Network Standards Organizations 809 Reference Sites 810 Search Sites 810 TCP/IP and the Internet 811 Wireless Networking 812 Appendix B: Glossary 814 Index 836 Team DDU 4 An essential one-stop resource-nine convenient minibooks in a single 840page volume-for network administrators everywhere This value-priced package includes sections on networking basics, building a network, network administration, TCP/IP and the Internet, wireless and home networking, Windows 2000 and 2003 servers, NetWare 6, Linux networking, and Mac OS X networking Written by the author of the perennial bestseller Networking For Dummies (0-7645-1677-9), this massive reference covers all the topics that administrators routinely handle Provides key information, explanations, and procedures for configuration, Internet connectivity, security, and wireless options on today's most popular networking platforms * An essential one-stop resource-nine convenient minibooks in a single 840page volume-for network administrators everywhere * This value-priced package includes sections on networking basics, building a network, network administration, TCP/IP and the Internet, wireless and home networking, Windows 2000 and 2003 servers, NetWare 6, Linux networking, and * Mac OS X networking * Written by the author of the perennial bestseller Networking For Dummies (0-7645-1677-9), this massive reference covers all the topics that administrators routinely handle * Provides key information, explanations, and procedures for configuration, Internet connectivity, security, and wireless options on today's most popular networking platforms