CWSP, 2nd Edition

Chapter 2 Legacy 802.11 Security

IN THIS CHAPTER, YOU WILL LEARN ABOUT THE FOLLOWING:

✓ Authentication

• Open System authentication

• Shared Key authentication

✓ Wired Equivalent Privacy (WEP) encryption

✓ Temporal Key Integrity Protocol (TKIP) Encryption

✓ Virtual Private Networks (VPNs)

• Point-to-Point Tunneling Protocol (PPTP)

• Internet Protocol Security (IPsec)

• Secure Sockets Layer (SSL)

• VPN Configuration Complexity

• VPN Scalability

✓ MAC Filters

✓ SSID Segmentation

✓ SSID Cloaking

Many changes to the security mechanisms of the 802.11 standard have taken place since its ratification in 1997. Three pre-RSNA or legacy security mechanisms exist: Open System authentication, Shared Key authentication, and WEP encryption. These pre-RSNA security mechanisms ...