Sams Teach Yourself TCP IP Networking in 21 Days (Sams Teach Yourself)

Sams Teach Yourself TCP/IP Networking in 21Days......Page 2
Copyright • 2002 by Sams Publishing......Page 3
Contents at a Glance......Page 4
Contents......Page 5
About the Author......Page 16
Tell Us What You Think!......Page 18
Introduction......Page 20
DAY 1 The History of the Internet......Page 24
How Did the Internet Begin?......Page 25
Who Is in Charge of the TCP/IP Protocol?......Page 28
Requests for Comment (RFCs)......Page 30
Applying What You Have Learned......Page 34
DAY 2 Network Types and Open Systems Architecture......Page 36
Defining Network Types......Page 37
What Are Open Systems?......Page 52
Use of Layered Models......Page 53
Comparing the OSI Model to the TCP/IP Model......Page 63
Applying What You Have Learned......Page 64
DAY 3 Internet Protocol (IP) Addresses......Page 66
Internet Protocol Address Basics......Page 67
The Role of Subnet Masks......Page 73
Local Network Addresses......Page 76
The Future of IP Addressing (IPv6)......Page 77
Applying What You Have Learned......Page 78
DAY 4 Core Protocols of the TCP/IP Suite......Page 82
Defining the Core Protocols in the IP Layer Model......Page 83
Connection Versus Connectionless Traffic......Page 99
Transmission Control Protocol......Page 103
User Datagram Protocol......Page 115
Determining What Ports Are in Use......Page 118
Applying What You Have Learned......Page 123
DAY 5 The Art of Subnet Masking......Page 126
The Need for Customized Subnets......Page 127
Determining a Subnetting Solution......Page 128
Building a Subnet Shortcut Table......Page 135
Variable-Length Subnet Masking......Page 141
Classless Inter-Domain Routing......Page 146
Applying What You Have Learned......Page 148
DAY 6 Resolution of IP Addresses and Logical Names......Page 152
Resolving Logical Names to IP Addresses......Page 153
Hostname Resolution......Page 154
NetBIOS Name Resolution......Page 172
Comparing NetBIOS Name Servers with DNS Servers......Page 178
TCP/IP Configuration Files......Page 179
Applying What You Have Learned......Page 184
DAY 7 Configuring Domain Name Servers......Page 186
Registering a DNS Domain Name......Page 187
DNS Message Formats......Page 189
Resource Records......Page 192
Configuring a BIND DNS Server......Page 194
Configuring a Windows DNS Server......Page 209
Troubleshooting DNS with NSLOOKUP......Page 217
Applying What You Have Learned......Page 219
DAY 8 Configuring NetBIOS Name Servers......Page 222
NetBIOS Message Format......Page 223
Implementing NetBIOS Services over TCP/IP......Page 225
Troubleshooting NetBIOS with NBTSTAT......Page 236
Applying What You Have Learned......Page 237
DAY 9 Gateway and Routing Protocols......Page 240
Routing Basics......Page 241
Static Routing......Page 247
Routing Protocols......Page 250
Troubleshooting Routing Problems......Page 270
Applying What You Have Learned......Page 272
DAY 10 Auto-Configuration of Hosts Using RARP, BOOTP, and DHCP......Page 276
Reverse Address Resolution Protocol (RARP)......Page 277
Bootstrap Protocol (BOOTP)......Page 278
Dynamic Host Configuration Protocol (DHCP)......Page 281
Applying What You Have Learned......Page 290
DAY 11 Authentication in a TCP/IP Network......Page 292
Clear Text Authentication......Page 293
Network Information System (NIS)......Page 294
Kerberos Authentication......Page 295
Public Key Infrastructure......Page 299
Web-Based Authentication......Page 306
Applying What You Have Learned......Page 312
DAY 12 Encrypting Transmitted Data......Page 314
Encrypting Data at the Application Layer......Page 315
Protecting Data at the IP Layer......Page 318
Upcoming Changes in IPSec......Page 329
Applying What You Have Learned......Page 332
DAY 13 Protecting Your Network......Page 334
Threats to Network Security......Page 335
Planning a Network Security Policy......Page 339
Firewalls......Page 340
Other Network Protection Strategies......Page 348
Creating a Demilitarized Zone......Page 350
Applying What You Have Learned......Page 353
DAY 14 Remote Command Applications......Page 356
Telnet......Page 357
Remote Unix Commands......Page 367
Administration Using Terminal Services......Page 371
The Optional TCP/IP Services......Page 375
Applying What You Have Learned......Page 378
File Transfer Protocol (FTP)......Page 380
Trivial File Transfer Protocol (TFTP)......Page 392
Remote Copy Protocol (RCP)......Page 397
Hypertext Transfer Protocol (HTTP)......Page 398
Network File System (NFS)......Page 402
Web Distributed Authoring and Versioning (WebDAV)......Page 412
Applying What You Have Learned......Page 414
DAY 16 Electronic Mail over TCP/IP......Page 416
Internet E-Mail at a Glance......Page 417
Simple Mail Transfer Protocol (SMTP)......Page 418
Post Office Protocol 3 (POP3)......Page 423
Internet Message Access Protocol Version 4 (IMAP4)......Page 427
Lightweight Directory Access Protocol (LDAP)......Page 433
E-Mail Attachment Issues......Page 438
Securing E-Mail Messages......Page 444
Applying What You Have Learned......Page 449
An Overview of Network Management......Page 452
The Components of an SNMP System......Page 455
Deploying an SNMP Management System......Page 461
Applying What You Have Learned......Page 467
DAY 18 Dial-Up Networking Using TCP/IP......Page 470
Connecting to Networks Remotely over Phone Lines......Page 471
Tunneling Solutions......Page 475
Authenticating PPP Clients......Page 489
Applying What You Have Learned......Page 494
DAY 19 ATM, Wireless, and Voice over IP......Page 496
The ATMARP Packet......Page 497
Dividing the Network into Logical IP Subnets......Page 499
The ATMARP Server......Page 501
TCP/IP in a Wireless Network......Page 502
Voice over IP......Page 511
Applying What You Have Learned......Page 513
Installing TCP/IP on a Windows 9x Client......Page 516
Installing TCP/IP on a Windows 2000 Computer......Page 522
Configuring TCP/IP on a Linux Computer......Page 525
Configuring TCP/IP on a Unix Server......Page 529
Configuring TCP/IP on a NetWare 6 Server......Page 536
Applying What You Have Learned......Page 546
DAY 21 IPv6, the Future of TCP/IP?......Page 548
Address Formats Under IPv6......Page 549
The IPv6 Header Format......Page 552
IPv6 Extension Headers......Page 553
The Transition from IPv4 to IPv6......Page 562
Applying What You Have Learned......Page 567
APPENDIX A RFC Reference......Page 570
Standard Protocols......Page 571
Network-Specific Standard Protocols......Page 573
Draft Standard Protocols......Page 574
Proposed Standard Protocols......Page 576
Experimental Protocols......Page 580
Informational Protocols......Page 582
Historic Protocols......Page 584
Internet Drafts......Page 585
Answers for Day 1......Page 586
Answers for Day 2......Page 587
Answers for Day 3......Page 589
Answers for Day 4......Page 591
Answers for Day 5......Page 593
Answers for Day 6......Page 595
Answers for Day 7......Page 597
Answers for Day 8......Page 599
Answers for Day 9......Page 600
Answers for Day 11......Page 602
Answers for Day 12......Page 604
Answers for Day 13......Page 605
Answers for Day 14......Page 606
Answers for Day 15......Page 608
Answers for Day 16......Page 609
Answers for Day 17......Page 611
Answers for Day 18......Page 612
Answers for Day 19......Page 614
Answers for Day 20......Page 615
Answers for Day 21......Page 616
APPENDIXC Internet MIB-II Category Definitions......Page 618
The Interfaces Group......Page 619
The Address Translation Group......Page 621
The IP Group......Page 622
The ICMP Group......Page 626
The TCP Group......Page 628
The UDP Group......Page 630
The EGP Group......Page 631
The SNMP Group......Page 633
APPENDIX D Glossary of Terms......Page 638
INDEX......Page 668