Wi-Fi. Wi-Fi VPN, SSL ..; Wi-Fi.
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. 11-
_______________________ ..
_________________________2014 .
____________..., . ..
_________________________2014 .
2014
. 4
1. Wi-Fi 5
1.1 . 6
1.1.1 . 6
1.1.2 (Denial of Service, DOS) 8
1.1.3 . 8
1.1.4 . 9
1.2 .. 9
1.3 . 10
2. .. 11
2.1 . 11
2.1.1 WEP. 11
2.2 . 12
2.2.1 IEEE 802.11 .. 12
2.2.2 WPA.. 13
2.2.3 802.11I (WPA2) 14
2.2.4 802.1X/EAP (ENTERPRISE-) 14
3. .. 16
3.1 -. 18
3.2 -. 18
3.3 -. 19
4. Wi-Fi 20
4.1 . 20
4.2 Wi-Fi . 21
. 24
.. 25
Wi-Fi ( Wireless Fidelity, ) . 802.11 (IEEE). Wi-Fi IEEE , (PWAN, , , ) , (WWAN).
, . Wi-Fi-. JiWire , 56139 - 93 .
Wi-Fi (WLAN) . Wi-Fi 2,4 5 2 /. 200 . , , Wi-Fi (-) , , , - ( , , Wi-Fi) , , .
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Wi-Fi
WPA WEP, . 40, 64 128 , , . WLAN Direct Sequence Spread Spectrum, . .
, (stations) (access points). : ad-hoc (peer-to-peer) infrastructure. , , Ethernet .
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,
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, , , . , , , , , .
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, , , . , . , . . , . , , , , . , .
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. Address Resolution Protocol (ARP). . MITM (man in the middle, ) . . MITM , : . . , , . , , .
ARP-, , , . .
, ( ).
(Denial of Service, DOS)
DOS. , , , . . , . DOS . , .