Le scan ne marche pas en fait.
iwlist scan:
[spoiler]
wlan0 Scan completed :
Cell 01 - Address: E8:F1:B0:F8

4:80
ESSID:"Bbox-A871D6F3"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.422 GHz (Channel 3)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd160050f20101000050f20401000050f20401000050f202
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Extra:rsn_ie=30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DDA70050F204104A0001101044000102103B000103104700101D9DBFC15FBF480697D830987C8582871021001A43656C656E6F20436F6D6D756E69636174696F6E2C20496E632E1023001743656C656E6F20576972656C65737320415020322E344710240006434C313830301042000831323334353637381054000800060050F20400011011000C43656C656E6F4150322E344710080002278C103C0001011049000600372A000120
Quality=53/100 Signal level=64/100
Cell 02 - Address: E8:F1:B0:F8

4:81
ESSID:"Bouygues Telecom Wi-Fi"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.422 GHz (Channel 3)
Encryption key:off
Bit Rates:144 Mb/s
Quality=73/100 Signal level=66/100
Cell 03 - Address: E8:F1:B0:F8

4:82
ESSID:""
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.422 GHz (Channel 3)
Encryption key:off
Bit Rates:144 Mb/s
Quality=89/100 Signal level=66/100
Cell 04 - Address: E8:F1:B0:F8

4:83
ESSID:""
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.422 GHz (Channel 3)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac010000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
Quality=85/100 Signal level=66/100
Cell 05 - Address: C2:17:33:74

6:FD
ESSID:"SFR WiFi FON"
Protocol:IEEE 802.11bg
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:off
Bit Rates:54 Mb/s
Quality=96/100 Signal level=96/100
Cell 06 - Address: C2:17:33:74

6:FF
ESSID:"SFR WiFi Mobile"
Protocol:IEEE 802.11bg
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
Bit Rates:54 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac010c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
Quality=96/100 Signal level=100/100
Cell 07 - Address: 00:17:33:74

6:FC
ESSID:"NEUF_D6F8"
Protocol:IEEE 802.11bg
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
Bit Rates:54 Mb/s
Extra:wpa_ie=dd1c0050f20101000050f20202000050f2040050f20201000050f2020c00
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD840050F204104A00011010440001021041000100103B00010310470010D96C7EFC2F8938F1EFBD6E5148BFA812102100044E4555461023000A4E42342D5345522D72301024000A4E42342D5345522D72301042000C3030313733333734443646381054000800060050F2040001101100094E4555465F44364638100800020084103C000101
Quality=96/100 Signal level=96/100
Cell 08 - Address: E2:71:BA:61:4E:9E
ESSID:"FreeWifi"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.467 GHz (Channel 12)
Encryption key:off
Bit Rates:300 Mb/s
Quality=49/100 Signal level=45/100
Cell 09 - Address: E2:71:BA:61:4E:9F
ESSID:"FreeWifi_secure"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.467 GHz (Channel 12)
Encryption key:on
Bit Rates:300 Mb/s
Extra:wpa_ie=dd160050f20101000050f20401000050f20401000050f201
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
Quality=60/100 Signal level=45/100
Cell 10 - Address: F4:CA:E5:F0:52:B2
ESSID:"FreeWifi_secure"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.442 GHz (Channel 7)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac010c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : 802.1x
Quality=53/100 Signal level=46/100
Cell 11 - Address: F4:CA:E5:F0:52:B1
ESSID:"FreeWifi"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.442 GHz (Channel 7)
Encryption key:off
Bit Rates:144 Mb/s
Quality=52/100 Signal level=46/100
Cell 12 - Address: F4:CA:E5:F0:52:B0
ESSID:"freebox_LAURA"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.442 GHz (Channel 7)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Quality=43/100 Signal level=47/100
Cell 13 - Address: E2:71:BA:61:4E:9C
ESSID:""
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.467 GHz (Channel 12)
Encryption key:on
Bit Rates:300 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2020050f20401000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
Quality=69/100 Signal level=46/100
Cell 14 - Address: E2:71:BA:61:4E:9D
ESSID:""
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.467 GHz (Channel 12)
Encryption key:on
Bit Rates:300 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Quality=13/100 Signal level=44/100
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.
[/spoiler]