Part 2 in Visual C#.NET

Decoder UPC-A in Visual C#.NET Part 2

4

5 6 7 Introduction to Cellular Networks Introduction to Wireless Data Networks Wireless Standards and Technologies

93 135 169

191 215 237 259 281 293 311

10 Real Examples from the Wireless World 11 The Wireless Future 12 Assessing Wireless Local Area Networks (LANs)

5 7 8 11 13 15 20 21 22 23 29 30 37 40 43 44

History of Wireless Technologies The 1970s The First Wireless Networks The 1980s Wireless Markets Start to Evolve The 1990s Wireless Networks Mature The Mid-1990s Other Wireless Networks Emerge The Late 1990s The Wireless Internet Emerges History of Wireless Security Eavesdropping and Jamming The Wireless Internet Wireless Security Moves into the Mainstream Wireless Value Chain State of the Wireless Industry, 2001 North American Wireless Industry, 2001 European Wireless Industry, 2001 Japanese Wireless Industry, 2001 Asian Wireless Industry, 2001 Conclusion

2

47 48 50 50 51 52 52 53 56 59 60 62 62

The Uncontrolled Terrain Eavesdropping Communications Jamming Denial of Service (DoS) Jamming Injection and Modification of Data Man-in-the-Middle (MITM) Attacks Rogue Client Rogue Network Access Points Attacker Equipment Covert Wireless Channels Roaming Issues Cryptographic Threats Conclusion

63 64 65 66 67 68 69 71 71 71 72 73 73 74 75 75 76 78

Removing the FUD OSI Model OSI Simplified Internet Model Wireless Local Area Network (LAN) Security Protocols Cryptography Secure Sockets Layer/Transport Layer Security (SSL/TLS) Secure Shell (SSH) Protocol or Program Terminal Access and File Transfer Port Forwarding A Word of Caution Man-in-the-Middle (MITM) of SSL/TLS and SSH WTLS WEP 8021x IP Security (IPSec) Conclusion

4

79 80 81 82 83 83 84 86 88 89 90

Wireless Device Security Issues Physical Security Information Leakage Device Security Features Application Security Detailed Device Analysis Laptops Personal Digital Assistants (PDAs) Wireless Infrastructure Handsets Conclusion

5

94 96 98

Spread Spectrum Primer Analogy TDMA Versus CDMA PDC iDEN: An Emerging Fourth Choice for American Consumers Security Threats Types of Cellular Fraud Combating Fraud General Security Principles Inside GSM GSM Security GSM Algorithm Analysis Inside CDMA Why Not Use Public Keys for Cellular Authentication Cellular Network and Security What Next The Future

99 99 101 103 105 106 107 108 110 112 114 119 122 123 128 132

6

137 138 139 142 142 143 149 152 154 155 159 161 162 163 166

Cellular Digital Packet Data (CDPD) CDPD Architecture CDPD Security Mobitex Mobitex Architecture Mobitex Security Architecture General Packet Radio Service (GPRS) GPRS Architecture GPRS Security Issues GPRS Security Introducing the Wireless Application Protocol (WAP) The WAP Device The WAP Gateway WAP Security Model Conclusion

7

169 170 170 171 172

Current and Future Standards IEEE 802 80211 The ABCs of 80211 80211b 80211a 80211g 80211j 80211h and 5GPP 80211e 80211i 80211f IEEE 80215 IEEE 80216 IEEE 8021x ETSI Bluetooth HomeRF Ultrawideband Radio (UWB) Conclusion 172 173 173 174 175 177 178 178 179 179 179 179 180 183 184 184 185 186 186 187

191 192 195 200 200 200 201 204 205 207 207 208 210 211 213

Common Wireless Network Applications Physical Security Considerations Network Security Considerations Application Security Considerations Enterprise Campus Designs Enterprise Design 1 Enterprise Design 2 Enterprise Guest Network Enterprise Point-to-Point Configuration Wireless ISP Design Retail and Manufacturing Designs Kiosk/Roaming Agent Design Warehouse Design Small Office/Home Office Design (SOHO) Conclusion

220 222 228 229 230 234

Planning for Wireless Data Important First Steps Potential Wireless Application Scenarios Wireless Policies Wireless Logistics Policies Wireless Security Policies Conclusion

Introduction to the Case Studies Case Study 1 Case Study 2 Case Study 3 Case Study 4 Case Study 5 Case Study 6 Case Study Wrap-up: Key Characteristics First Characteristic Simplicity Second Characteristic Flexibility Third Characteristic Scalability Fourth Characteristic Holistic Fifth Characteristic Motivated User Base Conclusion

242 243 244 247 249 251 252 254 254 256 256 256 257 258