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Санкт-Петербургский государственный университет телекоммуникаций им. проф. М.А. Бонч-Бруевича

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Операционные системы

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Microsoft Windows XP Networking Inside Out

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Table of Contents
Planning for the Future . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 291
Installing the Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 291
Setting Up the Workgroup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 294
Configuring Other Windows XP Computers . . . . . . . . . . . . . . . . .	. 298
Configuring Computers Running Earlier Windows Versions . . . . .	. 298
Configuring Network Clients Manually . . . . . . . . . . . . . . . . . . . .	. 299
Changing the IP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 300
Using Internet Connection Sharing . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 301
How ICS Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 302
Managing ICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 303
Changing ICS Hosts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 307
Common Workgroup Problems and Solutions . . . . . . . . . . . . . . . . . . . .	. 308
Clients Cannot Connect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 308
Windows 95 Clients Cannot Connect . . . . . . . . . . . . . . . . . . . . . .	. 309
Manually Assigned Static IP
Addresses Cause Conflicts or Access Problems . . . . . . . . . . . . . .	. 309
The ICS Host Does Not Work . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 309
Internet Usage with ICS Is Slow . . . . . . . . . . . . . . . . . . . . . . . . . .	. 310
A Client Can Connect to Other Network
Clients, But None Can Connect to Him . . . . . . . . . . . . . . . . . . . .	. 310
ICS Clients Cannot Autodial an AOL Connection . . . . . . . . . . . .	. 310
Chapter 11
Understanding Domain Connectivity	311
Understanding Active Directory Domains . . . . . . . . . . . . . . . . . . . . . . .	. 311
Running Windows XP Professional in a Domain Environment . . . . . . . .	. 321
Joining a Domain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 322
Joining a Domain with Wizard Help . . . . . . . . . . . . . . . . . . . . . . .	. 323
Joining a Domain Manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 327
Logging On to a Windows Domain . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 328
Ensuring That You Have Logged On to the Domain . . . . . . . . . . . . . . .	. 330
Surveying Windows XP Changes in a Domain Setting . . . . . . . . . . . . .	. 330
Start Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 330
Ctrl+Alt+Delete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 331
User Accounts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 331
Internet Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 335
Simple File Sharing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 335
Finding Domain Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 336
Browsing for Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 337
Searching Active Directory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 337
Creating a Network Place or Mapping a Network Drive . . . . . . .	. 339
Using the UNC Path or HTTP Address . . . . . . . . . . . . . . . . . . . . .	. 343
Leaving a Domain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 344
Accessing Domain Resources from Windows XP Home Edition . . . . . .	. 344

Table of Contents
Chapter 12
Solving Connectivity Problems	345
Using Command-line Tools Included in Windows XP . . . . . . . . . . . . .	. . 345
Using Ping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 346
Using Tracert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 351
Using PathPing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 352
Using Ipconfig . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 354
Using Netstat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 355
Using Nbtstat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 356
Running Additional Network Support Tools . . . . . . . . . . . . . . . . . . . . .	. . 356
Running Network Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 356
Using Windows Support Tools . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 359
Finding Helpful Utilities on the Internet . . . . . . . . . . . . . . . . . . . . . . .	. . 363
Ping Plotter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 363
VisualRoute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 364
NetPerSec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 364
Troubleshooting Network Connections . . . . . . . . . . . . . . . . . . . . . . . .	. . 366
A Philosophy of Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . .	. . 366
Solving Common Network Connection Problems . . . . . . . . . . . .	. . 367
Part 4
Network Resources	371
Chapter 13
Selecting a File System	373
Understanding FAT32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 373
Understanding NTFS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 376
newfeature!
New NTFS Features in Windows XP . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 378
Exploring NTFS Features in Windows XP . . . . . . . . . . . . . . . . . . . . . .	. . 380
Dynamic Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 380
Change Journal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 383
NTFS Compression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 383
File Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 384
File and Folder Access Control List . . . . . . . . . . . . . . . . . . . . . .	. . 385
Indexing Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 385
Sparse File Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 386
Disk Quotas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 386
Volume Mount Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 387
Distributed Link Tracking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 387
Multiple Data Streams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 387
Selecting a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 388
Configuring NTFS Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 389
Converting a Disk to NTFS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 389

Table of Contents

Enabling Disk Compression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390

Enabling Encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 392

Enabling Disk Quotas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393

Mounting a Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394

Chapter 14
Understanding Resource
Sharing and NTFS Security	397
Understanding Network Resource Access . . . . . . . . . . . . . . . . . . . . . .	. . 398
Sharing Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 400
Sharing Printers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 400
Sharing the Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 400
Assigning Printer Permissions . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 402
Connecting to a Shared Printer . . . . . . . . . . . . . . . . . . . . . . . . . .	. 406
Managing the Shared Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 407
Sharing Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 419
Sharing Resources with Simple File Sharing Enabled . . . . . . . . . .	. 419
Managing Permissions with Simple File Sharing Disabled . . . . . .	. 426
Removing Simple File Sharing . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 426
Assigning Share and NTFS Permissions . . . . . . . . . . . . . . . . . . . .	. 427
Managing Shares with Network Tools . . . . . . . . . . . . . . . . . . . . .	. 429
Solving Common Problems with Network Shares . . . . . . . . . . . . .	. 433
Configuring NTFS Permissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 433
Setting Advanced NTFS Permissions . . . . . . . . . . . . . . . . . . . . . .	. 437
Checking an Account’s Effective Permissions . . . . . . . . . . . . . . . .	. 438
Exploring Scenarios to Troubleshoot NTFS Permissions . . . . . . . . .	. 441
Chapter 15
Making Files Available Offline	449
Enabling the Offline Files Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 450
Configuring Offline Files Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 452
Making a File or Folder Available Offline . . . . . . . . . . . . . . . . . . . . . . .	. 453
Using Offline Files and Folders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 455
Synchronizing Offline Files and Folders . . . . . . . . . . . . . . . . . . . . . . . .	. 457
Setting Synchronization Options . . . . . . . . . . . . . . . . . . . . . . . . .	. 459
Stop Using an Offline File or Folder . . . . . . . . . . . . . . . . . . . . . . .	. 463
Managing Caching Options on the Server . . . . . . . . . . . . . . . . . . . . . .	. 463
Handling Network Disconnections . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 464
Troubleshooting Offline Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 466
Using Briefcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 467
Creating a Briefcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 467
Synchronizing Files with Briefcase . . . . . . . . . . . . . . . . . . . . . . . .	. 469
Choosing Between Briefcase and Offline Files . . . . . . . . . . . . . . . . . . .	. 469

xii

Table of Contents
Part 5
Advanced Networking	471
Chapter 16
Remote Desktop and Remote Assistance	473
newfeature!
Exploring Remote Desktop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 473
Enabling Remote Desktop on the Host Computer . . . . . . . . . . .	. . 475
Using Remote Desktop over a Dial-up Connection . . . . . . . . . .	. . 477
Using Remote Desktop over the Internet/Firewall . . . . . . . . . . .	. . 477
Using Remote Desktop Through a Remote Access Server . . . . .	. . 479
Configuring the Client Computer . . . . . . . . . . . . . . . . . . . . . . . .	. . 480
Logging On Automatically . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 486
Generating a Remote Desktop
Session with Microsoft Internet Explorer . . . . . . . . . . . . . . . . . .	. . 487
Choosing Remote Desktop Options . . . . . . . . . . . . . . . . . . . . . .	. . 490
Remote Desktop and Group Policy . . . . . . . . . . . . . . . . . . . . . . .	. . 494

newfeature!

Exploring Remote Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495 Using Remote Assistance Through Firewalls . . . . . . . . . . . . . . . . . . 496 Enabling Remote Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 498 Requesting Remote Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 499 Using Remote Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 501

Chapter 17
Remote Access and
Virtual Private Networking	503
Using Remote Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 504
Configuring Remote Access Connections . . . . . . . . . . . . . . . . . .	. . 504
Configuring Remote Access Security . . . . . . . . . . . . . . . . . . . . .	. . 506
Allowing Clients to Dial in to Your Computer . . . . . . . . . . . . . . . .	. 510
Understanding Virtual Private Networking . . . . . . . . . . . . . . . . . . . . . .	. 513
Creating a Connection to a VPN Server . . . . . . . . . . . . . . . . . . . .	. 515
Configuring Windows XP to Act as a VPN Server . . . . . . . . . . . .	. 516
Chapter 18
Interconnectivity with Other Systems	519

Connecting with Windows XP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 519 Supported Networking Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . 520 Supported Media Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 522 Connecting Windows XP and Novell NetWare . . . . . . . . . . . . . . . . . . . . 523 Configuring Client Service for NetWare . . . . . . . . . . . . . . . . . . . . . 525 Interconnecting Windows XP and UNIX/Linux . . . . . . . . . . . . . . . . . . . . 526

xiii

Table of Contents
Installing Print Services for UNIX . . . . . . . . . . . . . . . . . . . . . . .	. . . 526
Microsoft Windows Services for UNIX . . . . . . . . . . . . . . . . . . .	. . . 527
Connecting Windows XP to Apple Macintosh Systems . . . . . . . . . . . .	. . 529
Connecting Windows and Mac OS X Using Samba . . . . . . . . . .	. . 529
Macintosh File Services for Windows 2000 Server . . . . . . . . . . .	. . 530
Chapter 19
Wireless Networking	531
Getting to Know Wireless Networking . . . . . . . . . . . . . . . . . . . . . . . .	. . 531
Why Wireless Networks Are Important . . . . . . . . . . . . . . . . . . .	. . 532
Types of Wireless Networking . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 533
Wireless Networks Supported by Windows XP . . . . . . . . . . . . . .	. . 535
How Infrared and Wi-Fi Work . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 536
Wireless Networking Hardware . . . . . . . . . . . . . . . . . . . . . . . . .	. . 539
Selecting a Wireless Network Topology . . . . . . . . . . . . . . . . . . .	. . 540
Understanding Wireless Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 542
Setting Up Your Wireless Network . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 544
Setting Up an Infrared Wireless Network . . . . . . . . . . . . . . . . . .	. . 544
Setting Up a Wi-Fi Network . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 551
Chapter 20
Maintaining Network Security	557
Examining Windows Security History . . . . . . . . . . . . . . . . . . . . . . . . .	. . 558
Understanding Security Threats . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 560
Understanding Network-initiated Threats . . . . . . . . . . . . . . . . . .	. . 560
Understanding Local Security Threats . . . . . . . . . . . . . . . . . . . .	. . 564
Protecting Windows XP from Security Threats . . . . . . . . . . . . . . . . . .	. . 566
Using a Firewall for Protection from Network-initiated Threats	. . . 566
Inbound vs. Outbound Firewalls . . . . . . . . . . . . . . . . . . . . . . . .	. . 568
TCP/IP Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 569
Detecting Windows XP Security Issues . . . . . . . . . . . . . . . . . . . .	. . 572
Keeping Software Up to Date . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 573
Removing Unneeded Services . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 574
Securing IIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 577
Using Netstat to Observe IP Connections . . . . . . . . . . . . . . . . .	. . 584
Configuring Network Shares . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 585
Securing Printers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 585
Securing Remote Access Connections . . . . . . . . . . . . . . . . . . . .	. . 586
Securing Network Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 588
Protecting Windows XP from Viruses . . . . . . . . . . . . . . . . . . . . .	. . 590
Coping with E-mail Security Threats . . . . . . . . . . . . . . . . . . . . .	. . 591
Detecting Trojan Horse Applications . . . . . . . . . . . . . . . . . . . . . .	. . 591
Using Internet Explorer Safely . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 592

xiv

Table of Contents
Using Administrative Privileges . . . . . . . . . . . . . . . . . . . . . . . . .	. . 593
Protecting Files Using NTFS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 593
Auditing Logon Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 593
Auditing File System Access . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 594
Managing EFS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. 595
Chapter 21
Monitoring Windows XP
Network Performance	597

Monitoring Network Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 598 Understanding Bottlenecks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 598 Detecting Bottlenecks with Windows XP Command-line Tools . . . . 599 Using Windows Task Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . 599 Using the Performance Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 603

Part 6
Appendix	611
Appendix A
Windows XP Service Pack 1	613
Default Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . 613
Glossary	617
Index to Troubleshooting Topics	629
Index	631

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Acknowledgments

I would like to thank Alex Blanton for giving me the opportunity to write this book, and a big thanks also goes to Aileen Wrothwell for her guidance. A special thanks goes to David Dalan for his extra help and Jim Causey for bringing it all together. Thanks to Curtis Philips for a great technical review. Also, thanks to my agent, Margot Maley Hutchison, for her work on my behalf. Lastly and as always, thanks to my wife and children for their support.

— Curt Simmons

First and foremost, I’d like to thank Aileen Wrothwell and Curtis Philips for being such a fantastic team to work with. With a flair for both technical issues and the written word, Curt is the most amazing technical editor I’ve ever had the pleasure of working with.

Aileen is a complete joy to work for — fun, intelligent, and supportive. I’ve never had so much fun while writing. Thanks also to Alex Blanton and to Danielle Bird for giving me the opportunity to work on this project.

I’d also like to make a special mention of my friend and boss, Mark Lynch. If he hadn’t given me a shot all those years ago, my life and career would be nothing like they are today. Thanks for the continued support, and for everything.

Thanks also to my good friends Steve Hood, Ken Rawlings, Daniel Orrego, Ryan Hartman, Tina Golini, and especially Jennifer Dover for being there for me always, through thick and thin. Thanks to my mom, dad, and brother David for always being there too, and for everything else. My cat Miranda has also been supportive, understanding, and loving throughout this period, knowing when I needed a lap cat and when I just needed to be left to my thoughts. Meow. A final thanks to Stew, Chad, Joe (and Joe), Mary, Fitz, Brent, Kenny, P. Kevin, Matt, Art, Erica, Julie, Tom, Greg, Stacey, and everyone else who makes my life so pleasant.

— James F. Causey

The following members of the Microsoft community contributed their knowledge and expertise to reviewing the book’s content:

Tom Fout, Joseph Davies, Dennis Morgan, Ethan Zoller, Igor Kostic, Kenny Richards, Anton Krantz, Rob Trace, Ricardo Stern, Matt Powell, Jason Garms, Josh Rice, Ross Carter, Greg Gille, Sanjay Anand, Stewart Tansley, Avronil Bhattacharjee, Mihai Costea, Brian Aust, Brian Dewey, Jeffrey Saathoff, and Leon Braginski.

xvii

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Our goal at Microsoft Press is to create books that help you find the information you need to get the most out of your software.

The INSIDE OUT series was created with you in mind. As part of an effort to ensure that we’re creating the best, most useful books we can, we talked to our customers and asked them to tell us what they need from a Microsoft Press series. Help us continue to help you. Let us know what you like about this book and what we can do to make it better. When you write, please include the title and author of this book in your e-mail, as well as your name and contact information. We look forward to hearing from you.

How to Reach Us

E-mail: nsideout@microsoft.com

Mail: Inside Out Series Editor

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