Wireless Networks dor Dummies phần 1 ppsx

[...]... 802 .11 b 348 802 .11 c 349 802 .11 d 349 802 .11 e 349 802 .11 f 349 802 .11 g 350 802 .11 h 350 802 .11 i 350 802 .11 j 350 802 .11 k 3 51 802 .11 n 3 51 802 .15 3 51 802 .16 352 xix xx Wireless Networks For Dummies Appendix C: The Fundamentals of Radio Frequency... Wireless Hardware 10 9 Upgrading the firmware or software .10 9 Important guidelines for upgrading 11 1 Configuring the Client’s Operating System 11 2 Configuring Windows XP Professional clients .11 2 Configuring Windows 2000 clients 11 4 Configuring Mac OS clients 11 7 Configuring your Centrino systems 11 8 Configuring Linux and FreeBSD Clients 11 9 Making Sure the... 13 3 Spontaneous Communities: Ad Hoc Networks 13 3 Wi-Fi Warriors on the Road 13 4 Wireless at the airport 13 5 Wireless in hotels 13 6 E-Mailing Wirelessly with Microsoft Exchange 13 7 Setting up POP access 13 8 Connecting directly to Exchange 14 0 Wireless Hot Spots: What’s New Around the World? 14 4 In the air 14 5 New ideas for wireless. .. practices 17 8 Encryption best practices 17 9 Client best practices 17 9 Network best practices .18 0 Managing Your Wireless Security Policy 18 1 xv xvi Wireless Networks For Dummies Designing a Secure Network 18 2 Performing a Risk Analysis 18 2 Chapter 11 : Maintaining Network Security 18 5 Understanding Security Mechanisms .18 6 Three... Authentication 18 7 Authentication 18 7 Protecting Privacy .18 9 Protecting Message Integrity .19 0 Filtering the Chaff 19 1 SSID filtering .19 1 MAC filtering 19 1 Protocol filtering 19 3 Using Encryption 19 3 Hip to WEP 19 4 WEP weaknesses .19 6 Attacking WEP 19 8 Key management problems 19 9 Protecting... road: WMAN 15 Using Wireless Networks 16 Accessing networks 16 Extending the network 17 Connecting buildings 17 Going mobile 18 Getting mail on the road .19 Turning a Notion into a Network 20 Planning your wireless network 20 Installing your wireless network .20 xii Wireless Networks For Dummies Configuring a wireless network... Network 7 Chapter 1: Removing the Tethers: Entering the Wireless World 9 Understanding the Risks and Rewards of Going Wireless .10 What you risk .10 The benefits you gain 11 Applications of Wireless Networks .11 Sorting Out the Nets: Do I Need a WPAN, WLAN, or WMAN? 12 Let’s get personal: WPAN 13 The holy grail of wireless networking: WLAN 14 Where the rubber... Aironet 12 00 99 Testing the Signal 10 2 xiii xiv Wireless Networks For Dummies Chapter 6: Connecting Your Clients 10 3 Adding Hardware to the PC .10 4 Peripheral Component Interconnect (PCI) 10 5 Universal Serial Bus (USB) .10 6 Ethernet client adapter .10 6 The final decision 10 7 Wireless print server 10 8 Installing the Wireless. .. 15 8 Risks to Your Users .16 0 Target profiling 16 0 Identity theft 16 0 Lack of authentication 16 1 Default passwords are de fault 16 2 Risks to Your Data .16 3 You call that encryption?! 16 4 Accidental associations 16 5 Eavesdropping 16 5 Man-in-the-middle attacks 16 6 Hijacking .16 6 Chapter 10 : Designing... 3 41 Government Organizations 3 41 International Standards Organizations 342 Wireless- Related Organizations and Associations 343 Local Wireless Groups 345 Other Industry Associations 346 Appendix B: Wireless Standards 347 802.1x 347 802 .11 348 802 .11 a 348 802 .11 b 348 802 .11 c . 18 9 Protecting Message Integrity 19 0 Filtering the Chaff 19 1 SSID filtering 19 1 MAC filtering 19 1 Protocol filtering 19 3 Using Encryption 19 3 Hip to WEP 19 4 WEP weaknesses 19 6 Attacking WEP 19 8 Key. or software 10 9 Important guidelines for upgrading 11 1 Configuring the Client’s Operating System 11 2 Configuring Windows XP Professional clients 11 2 Configuring Windows 2000 clients 11 4 Configuring. on the Road 13 4 Wireless at the airport 13 5 Wireless in hotels 13 6 E-Mailing Wirelessly with Microsoft Exchange 13 7 Setting up POP access 13 8 Connecting directly to Exchange 14 0 Wireless Hot