Suchen und Finden
802.11 Wireless Networks - Security and Analysis
von: Alan Holt, Chi-Yu Huang
Springer-Verlag, 2010
ISBN: 9781849962759 , 212 Seiten
Format: PDF, OL
Kopierschutz: Wasserzeichen
Preis: 96,29 EUR
Preface
7
Acknowledgments
8
Contents
9
Abbreviations
13
List of Figures
16
List of Tables
19
Introduction
20
IEEE 802
21
Wireless LANs
22
A Brief History of 802.11
26
The RF Environment
27
Book Outline
31
Summary
32
Radio Frequencies
34
The Electromagnetic Spectrum
34
Radio Waves
36
Direct Path
38
Absorption
41
Reflection
41
Diffraction
43
Refraction
44
Scattering
44
Multi-path
44
Radio Frequency Regulation
46
Spectrum Management
51
Summary
53
Medium Access Control
54
802.11 Services
55
MAC Frame Format
57
Distributed Coordination Function
58
Carrier Sensing
59
Transmission Methods
59
Inter-frame Spacing
60
Random Back-Off Algorithm
62
Fragmentation
62
Fairness
63
Point Coordination Function
64
Hybrid Coordination Function
64
Enhanced Distributed Channel Access
65
HCF Controlled Channel Access
67
Summary
69
Physical Layer
70
Frequency Hopping Spread Spectrum
70
Direct Sequence Spread Spectrum
73
High-Rate Direct Sequence Spread Spectrum
75
Orthogonal Frequency Division Multiplexing
77
Extended Rate PHY
79
MIMO-OFDM
81
Beamforming
85
Summary
90
Cryptography
92
Ciphers
92
Symmetric Key Cryptography
93
Asymmetric Key Cryptography
95
Encryption
97
RC4
98
DES and Triple-DES
99
AES
99
Message Digests
100
Digital Signatures
102
Digital Certificates
103
Generating Digital Certificates
105
Generating a Certificate Authority
106
Generating Certificates
109
Testing the Certificates
114
Summary
116
Wireless Security
118
Pre-RSNA
118
Authentication
119
Encryption and Integrity
120
RSNA
120
Authentication
121
Key Management
124
Encryption and Integrity
124
Summary
127
Configuring Wireless Networks
130
Ad-hoc Network
131
WEP
133
WPA with Pre-shared Key
134
Multiple SSIDs
138
Wireless Distribution System
140
Wireless Bridge
142
Build an Open Source Access-Point
145
Root Filesystem
145
Administration
146
Configuring the Access-Point
148
Installing Grub
149
Compile the Kernel
149
Install Root Directory Structure onto Compact Flash
151
Summary
153
Robust Security Network
154
Installing FreeRadius
155
Configuring FreeRadius
157
Configure FreeRadius to use MySQL
159
Testing
163
Configure EAP
165
Configure TLS
167
NAS Configuration
168
Wireless Client
169
Summary
173
MAC Layer Performance Analysis
174
Fragmentation
174
Analysis of Multiple Hops
175
Throughput
177
Summary
185
Link Rate Adaptation
186
Walffish-Ikegami Model
186
Berg Model
187
802.11b Link Rate Adaptation
190
Link Rate Adaptation in an Urban Area
195
802.11a Link Rate Adaptation
197
Link Rate Experiments
201
Summary
203
Appendix A Build a Xen Server
204
Install Xen
204
DomU Configuration
206
RADIUS Server
206
MySQL Server
207
DHCP Server
208
Test Client
209
Appendix B Initial Configuration of Access-Point Controllers
212
Alcalel-Lucent Omniaccess Controller
212
Meru Controller
213
References
220
Futher Reading
224
Index
226
Alle Preise verstehen sich inklusive der gesetzlichen MwSt.