Holt / Huang 802.11 Wireless Networks

Security and Analysis
1. Auflage 2010
ISBN: 978-1-84996-275-9
Verlag: Springer
Format: PDF
Kopierschutz: 1 - PDF Watermark

E-Book, Englisch, 212 Seiten

Reihe: Computer Communications and Networks

This unique and practical text introduces the principles of WLANs based upon the IEEE 802.11 standards, demonstrating how to configure equipment in order to implement various network solutions.  The text is supported by examples and detailed instructions.

Autoren/Hrsg.

Holt, Alan

Huang, Chi-Yu

Inhaltsverzeichnis

1;Preface;7
1.1;Acknowledgments;8
2;Contents;9
3;Abbreviations;13
4;List of Figures;16
5;List of Tables;19
6;Introduction;20
6.1;IEEE 802;21
6.2;Wireless LANs;22
6.3;A Brief History of 802.11;26
6.4;The RF Environment;27
6.5;Book Outline;31
6.6;Summary;32
7;Radio Frequencies;34
7.1;The Electromagnetic Spectrum;34
7.2;Radio Waves;36
7.2.1;Direct Path;38
7.2.2;Absorption;41
7.2.3;Reflection;41
7.2.4;Diffraction;43
7.2.5;Refraction;44
7.2.6;Scattering;44
7.2.7;Multi-path;44
7.3;Radio Frequency Regulation;46
7.4;Spectrum Management;51
7.5;Summary;53
8;Medium Access Control;54
8.1;802.11 Services;55
8.2;MAC Frame Format;57
8.3;Distributed Coordination Function;58
8.3.1;Carrier Sensing;59
8.3.2;Transmission Methods;59
8.3.3;Inter-frame Spacing;60
8.3.4;Random Back-Off Algorithm;62
8.3.5;Fragmentation;62
8.3.6;Fairness;63
8.4;Point Coordination Function;64
8.5;Hybrid Coordination Function;64
8.5.1;Enhanced Distributed Channel Access;65
8.5.2;HCF Controlled Channel Access;67
8.6;Summary;69
9;Physical Layer;70
9.1;Frequency Hopping Spread Spectrum;70
9.2;Direct Sequence Spread Spectrum;73
9.3;High-Rate Direct Sequence Spread Spectrum;75
9.4;Orthogonal Frequency Division Multiplexing;77
9.5;Extended Rate PHY;79
9.6;MIMO-OFDM;81
9.7;Beamforming;85
9.8;Summary;90
10;Cryptography;92
10.1;Ciphers;92
10.1.1;Symmetric Key Cryptography;93
10.1.2;Asymmetric Key Cryptography;95
10.2;Encryption;97
10.2.1;RC4;98
10.2.2;DES and Triple-DES;99
10.2.3;AES;99
10.3;Message Digests;100
10.4;Digital Signatures;102
10.5;Digital Certificates;103
10.6;Generating Digital Certificates;105
10.6.1;Generating a Certificate Authority;106
10.6.2;Generating Certificates;109
10.6.3;Testing the Certificates;114
10.7;Summary;116
11;Wireless Security;118
11.1;Pre-RSNA;118
11.1.1;Authentication;119
11.1.2;Encryption and Integrity;120
11.2;RSNA;120
11.2.1;Authentication;121
11.2.2;Key Management;124
11.2.3;Encryption and Integrity;124
11.3;Summary;127
12;Configuring Wireless Networks;130
12.1;Ad-hoc Network;131
12.2;WEP;133
12.3;WPA with Pre-shared Key;134
12.4;Multiple SSIDs;138
12.5;Wireless Distribution System;140
12.6;Wireless Bridge;142
12.7;Build an Open Source Access-Point;145
12.7.1;Root Filesystem;145
12.7.2;Administration ;146
12.7.3;Configuring the Access-Point;148
12.7.4;Installing Grub;149
12.7.5;Compile the Kernel;149
12.7.6;Install Root Directory Structure onto Compact Flash;151
12.8;Summary;153
13;Robust Security Network;154
13.1;Installing FreeRadius;155
13.2;Configuring FreeRadius;157
13.3;Configure FreeRadius to use MySQL;159
13.4;Testing;163
13.5;Configure EAP;165
13.6;Configure TLS;167
13.7;NAS Configuration;168
13.8;Wireless Client;169
13.9;Summary;173
14;MAC Layer Performance Analysis;174
14.1;Fragmentation;174
14.2;Analysis of Multiple Hops;175
14.3;Throughput;177
14.4;Summary;185
15;Link Rate Adaptation;186
15.1;Walffish-Ikegami Model;186
15.2;Berg Model;187
15.3;802.11b Link Rate Adaptation;190
15.4;Link Rate Adaptation in an Urban Area;195
15.5;802.11a Link Rate Adaptation;197
15.6;Link Rate Experiments;201
15.7;Summary;203
16;Appendix A Build a Xen Server;204
16.1;Install Xen;204
16.2;DomU Configuration;206
16.2.1;RADIUS Server;206
16.2.2;MySQL Server;207
16.2.3;DHCP Server;208
16.2.4;Test Client;209
17;Appendix B Initial Configuration of Access-Point Controllers;212
17.1;Alcalel-Lucent Omniaccess Controller;212
17.2;Meru Controller;213
18;References;220
19;Futher Reading;224
20;Index;226