A last word about WLAN security:

ν Even IEEE802.11i may not be sufficient for public hot-spots:

Netscape

 

http

 

tcp

 

ip

 

802.2

 

802.11

WEP

802.2

￿￿￿￿￿￿ 802.3

IPSEC, TLS, SSL ip

802.2 802.2

802.3 802.3

apache

http

tcp

ip

802ppp.2

Bluetooth802.3

νOnly VPN technologies (IPSEC, TLS, SSL) will fulfil end-to-end security requirements in public environments.

νVPN technologies might even be used in corporate WLAN networks.

WLAN-IEEE802.11 Tutorial (Maximilian Riegel), 021018-wlan-tutorial.ppt

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© Siemens, 2002

 

 

 

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Image 62
Siemens manual Last word about Wlan security, Even IEEE802.11i may not be sufficient for public hot-spots