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How Secure is Your Wireless Network? Safeguarding Your Wi-Fi LAN
- By Lee Barken
- Published Aug 26, 2003 by Pearson.
Book
- Sorry, this book is no longer in print.
Description
- Copyright 2004
- Dimensions: 7" x 9-1/2"
- Pages: 224
- Edition: 1st
- Book
- ISBN-10: 0-13-140206-4
- ISBN-13: 978-0-13-140206-5
The results of a new study from IDC offer a strong thumbs-up to the fast-evolving information security services sector, predicting that the market for such services will increase to more than $23.5 billion in the next four years. Demand for security for wireless networks will drive the growth of the information security services market. Announcements by major companies (i.e. Intel, Dell, Gateway, IBM) backing wireless technologies are setting the stage for wide-scale deployments and the ushering in a new era of wireless freedom.The bottom line is that wireless is here to stay. The integration of 802.11 into almost all new laptops, coupled with the explosion in availability of public hotspots has created a cycle of large scale wireless proliferation. This invisible, yet inescapable flood of radio waves has landed squarely in our homes and businesses where it presents a new security challenge. How do we embrace the joys of wireless networks while we maintain an essential balance with the security needs of our organization? This book is all about understanding the technology, recognizing the security risks, and implementing a responsible and realistic game plan for safe and secure wireless communication.
Sample Content
Online Sample Chapter
WEP Vulnerabilities—Wired Equivalent Privacy?
Table of Contents
(NOTE: Each chapter begins with an Introduction and concludes with a Summary.)
Foreword.
Introduction.
1. The Need For Wireless LAN Security.
Security in Layers. Size Matters—What Are You Protecting? Wireless LAN 101. Shared Key Authentication. Wi-Fi Protected Access (WPA). Beware: The Walls are Listening… Stop the RF Bleeding.
2. Introduction to WLAN.
Pre-802.11. 802.11 (1997). Spread Spectrum. 801.11b. Interoperability. Critical Mass. 802.11a. 802.11g. Other Working Groups. 802.11 Specification. A Tale of Two Topologies. CSMA/CA. RTS/CTS. Fragmentation.
3. WEP Vulnerabilities—Wired Equivalent Privacy?
WEP 101. Decrypting the WEP Message. Key Management Problems. RC4 Stream Cipher. IV Collisions. Message Injection. Authentication Spoofing. Brute Force Attacks. Cracking WEP Keys. Now What?
4. War Driving: Tools and Techniques.
What Is War Driving? Wireless Sniffers. Putting It All Together. Ethical Considerations. War Chalking.
5. 802.11I, WPA, TKIP, AND AES.
WPA to the Rescue! TKIP. WPA for the Home. 802.11i and AES.
6. 802.1x Explained.
Where Did 802.1x Come From? Guilty Until Proven Innocent (or Authenticated). 802.1x Authentication Conversation. Solving Security Problems with 802.1x. But Wait, There's More! Competing Standards.
7. Connecting a WLAN to the Wired Network.
Assessing the Information Assets. A Layered Approach. Multiple SSIDs. 802.1x vs. VPN. Hands-on Projects.
8. How to Deploy a VPN for Wireless Environments.
PPTP vs. L2TP/IPSec. PPTP: Point-to-Point Tunneling Protocol. L2TP: Layer 2 Tunneling Protocol with IPSec. Choosing an Authentication Protocol. Building a VPN Server. Configuring the VPN Server. Configuring Clients. The Downside to VPNs.
9. How to Secure and Manage a Home Environment.
Basic Security Steps. Beyond Security: Managing the Network. AP on Steroids? Linux Embedded Appliance Firewall (LEAF). Adding Wireless Client Support to Bering. Sputnik around the World. ReefEdge Dolphin.
10. How to Secure an Enterprise Environment.
802.1x Revisited. Setting Up the Authentication Server. Configuring the CA. Configuring the Authenticator. Using EAP-TLS with Windows 2000 Server.
11. Setting Up a Secure Public Hotspot: Building A Linux-Based Access Point.
HostAP Prism Driver for Linux. NoCat. The 800-Pound Pebble. LEAF to the Rescue. Troubleshooting Tips.
Appendix A: Introduction to RF.
The History of Radio Frequency. Electromagnetism. Induction. Conduction. Radio Waves. Structure of a Wave. Modulation. Attenuation. Antennae. How Antennae Work. Different Kinds of Antennae. Antenna Types. Summary.
Appendix B: 802.11 Frame Types.
Management Frames. Control Frames. Data Frames.
Appendix C: Community Wireless Networking.
For Pay. Amenity. Utility. User Groups. The Mission. The Legal Issues. Sentre Partners in San Diego. Software Options for Free Hotspots. The Big Picture.
Appendix D: Building a Pringles Can Antenna.
Index.
Index
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