US Robotics USR2450 Informazioni Techniche Pagina 93
- Pagina / 106
- Indice
- SEGNALIBRI
Valutato. / 5. Basato su recensioni clienti
93
V 2.2 Copyright SystemExperts 2001,2002,2003
185
References
n Access Points
n www.cisco.com/warp/public/cc/pd/witc/ao340ap/
n www.apple.com/airport/specs.html
n www.wavelan.com/template.html?section=m58&pag
e=103&envelope=94
n www.3com.com/products/proddatasheet/datasheet/
3CRWE74796B.pdf
n Cell Phone Internet Services
n www.sprintpcs.com/wireless
n www.verizonwireless.com
n www.attws.com/personal/explore/pocketnet
n www.nextel.com/phone_services/wirelessweb
V 2.2 Copyright SystemExperts 2001,2002,2003
186
References (cont.)
n Security
n www.datafellows.com/products/white-
papers/sec_wap_env.pdf
n www.tml.hut.fi/Opinnot/Tik-
110.501/1997/wireless_lan.html
n Sniffing
n www.sniffer.com/products/wireless/
n www.robertgraham.com/pubs/sniffing-faq.html
n www.wildpackets.com/products/airopeek
- Practical Wireless IP: 1
- Course Contents 2
- Course Objectives 2
- What is Wireless 3
- Wireless Component Overview 4
- Wireless Devices 4
- General Purpose Devices 5
- FH, DS, IR, CCK(b), OFDM(a) 6
- Physical Layer 7
- 802.11b Frame Control 8
- 802.11b IBSS 8
- 802.11b BSS 9
- 802.11b ESS 9
- Exposures 10
- Technology Problems 10
- Theft of hardware 11
- Registry Permissions 12
- Masquerading 13
- Eavesdropping 14
- MAC Layer 14
- MAC address configuration 15
- Where are We? 17
- Section Contents 17
- Key Factors in Technology 18
- Cellular Basics 18
- Major Cellular Systems 19
- GSM Security 20
- Today’s Data Systems 20
- CDPD Security 21
- Other Popular Systems 22
- What is 3G? 22
- In a box … 23
- Observations 23
- Mobile Data Services 24
- Uses a micro-browser 25
- Popular delivery standards 25
- Web Clipping 26
- WAP Protocol Layers 28
- The Gap in WAP 28
- Gap in WAP 29
- What Really Matters? 30
- Wireless LAN Technologies 32
- Upcoming WLAN 32
- 802.11 Local Area Wireless 33
- 802.11b Components 33
- Current 802.11 Security 34
- More on WEP Keys 35
- Access Points and WEP 35
- WEP Encryption Steps 36
- WEP Encryption 36
- WEP Decryption Steps 37
- WEP Decryption 37
- 128-bit Version (WEP2) 38
- WEP Key Management 38
- The Major WEP Problems 39
- Problem: Keystream Reuse 40
- -- as key length increases 41
- Current Status of WEP 42
- Current Status of WEP (cont) 43
- Current 802.11 Authorization 44
- Wireless EAP: Cisco’s Version 45
- Let’s take a look…J 47
- Access Points 101 49
- Frequency Overlap 50
- Access Point Usage 50
- Extension Point 51
- Access Point Placement 51
- Placement (cont.) 52
- Placement, 3 Dimensional 53
- Capacity and Bandwidth 53
- Bandwidth Aggregation 54
- Anatomy of 802.11b 55
- Anatomy of 802.11b: the bits 55
- Anatomy of 802.11b: the wave 56
- Congestion (cont.) 57
- Hidden Node Problem 58
- Finding those Hidden Nodes 59
- Surprising Results 60
- What Does This Mean? 60
- Anatomy of 802.11b: Roaming 61
- Roaming (cont.) 61
- Roaming Activities 62
- IEEE IAPP 63
- Wi-FI Roaming (cont.) 64
- Configuring an Access Point 65
- Access Point Medicine 65
- Wireless at Home 67
- Wireless at a Conference 68
- Industry Setup: Ariba 68
- CyberCafe 69
- Architectural Considerations 69
- Linux Wireless RF Sniffer 71
- Linux Sniffer: How-To 72
- How-To (cont.) 72
- Sniffer Observations 73
- AirSnort 73
- Home Spun Access Point 74
- Building your own AP 74
- My Problems 75
- My Observations 76
- How Does it Work? 77
- IEEE 802.11a 79
- 1W5.725-5.825 80
- 802.11a Coverage 81
- 802.11a Coverage Graphic 81
- 802.11a Problems 82
- 802.11 Thoughts 82
- Antennas: The Skinny 84
- Antennas: Basics 85
- Antennas: Basics (cont.) 85
- Antennas: Dipole 86
- Dipole Radiation 86
- Antennas: Directional 87
- Directional Radiation: Biquad 87
- Antennas: PCMCIA Cards 88
- Typical PCMCIA Radiation 88
- Antennas: More Facts 89
- Antennas: More Facts (cont.) 89
- Thanks to … 92
- References 93
- References (cont.) 93
- Wireless Stuff 95
- Mailing Lists 95
- Glossary 96
- Glossary (cont.) 96
- Glossary(cont.) 97
- End Matter 98
- Apple Airport 99
- Building your own AP (cont.) 100
- Directions (cont.) 101
- Floppy based Wireless Gateway 103
- WFG Internals 103
- WFG Internals (cont.) 104
- Consultant 106
- Brad C. Johnson 106
- Vice President 106
- Philip Cox 106
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