Falha na conexão SSID com falha de handshake de 4 vias

0

Estou usando o hostapd no Alpinelinux (kernel 4.14.69, Intel (R) Centrino (R) Advanced-N 6205 AGN, módulo sem fio REV = 0xB0).

Primeiro, quero fazer o dispositivo sem fio como AP e estação. Então eu corri seguindo comandos

# iw dev wlan0 interface add wlan0_sta type managed addr 12:34:56:78:ab:cd  
# iw dev wlan0 interface add wlan0_ap  type managed addr 12:34:56:78:ab:ce

Em seguida, execute o hostapd contra wlan0_ap. O SSID apareceu. Associativo, mas DEAUTH do lado do cliente em 3 segundos. wpa_supplicant disse "4 way handshake failure".

Então eu corri o hostapd contra wlan0, com os mesmos confs. Tudo acabou de funcionar.

Então, pergunto-me o que mais devo fazer ou se o meu dispositivo não suporta isto.

iw list

Wiphy phy0
max # scan SSIDs: 20
max scan IEs length: 195 bytes
max # sched scan SSIDs: 0
max # match sets: 0
max # scan plans: 1
max scan plan interval: -1
max scan plan iterations: 0
Retry short limit: 7
Retry long limit: 4
Coverage class: 0 (up to 0m)
Device supports RSN-IBSS.
Supported Ciphers:
    * WEP40 (00-0f-ac:1)
    * WEP104 (00-0f-ac:5)
    * TKIP (00-0f-ac:2)
    * CCMP-128 (00-0f-ac:4)
    * CCMP-256 (00-0f-ac:10)
    * GCMP-128 (00-0f-ac:8)
    * GCMP-256 (00-0f-ac:9)
Available Antennas: TX 0 RX 0
Supported interface modes:
     * IBSS
     * managed
     * AP
     * AP/VLAN
     * monitor
Band 1:
    Capabilities: 0x107e
        HT20/HT40
        SM Power Save disabled
        RX Greenfield
        RX HT20 SGI
        RX HT40 SGI
        No RX STBC
        Max AMSDU length: 3839 bytes
        DSSS/CCK HT40
    Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
    Minimum RX AMPDU time spacing: 4 usec (0x05)
    HT Max RX data rate: 300 Mbps
    HT TX/RX MCS rate indexes supported: 0-15
    Bitrates (non-HT):
        * 1.0 Mbps
        * 2.0 Mbps (short preamble supported)
        * 5.5 Mbps (short preamble supported)
        * 11.0 Mbps (short preamble supported)
        * 6.0 Mbps
        * 9.0 Mbps
        * 12.0 Mbps
        * 18.0 Mbps
        * 24.0 Mbps
        * 36.0 Mbps
        * 48.0 Mbps
        * 54.0 Mbps
    Frequencies:
        * 2412 MHz [1] (15.0 dBm)
        * 2417 MHz [2] (15.0 dBm)
        * 2422 MHz [3] (15.0 dBm)
        * 2427 MHz [4] (15.0 dBm)
        * 2432 MHz [5] (15.0 dBm)
        * 2437 MHz [6] (15.0 dBm)
        * 2442 MHz [7] (15.0 dBm)
        * 2447 MHz [8] (15.0 dBm)
        * 2452 MHz [9] (15.0 dBm)
        * 2457 MHz [10] (15.0 dBm)
        * 2462 MHz [11] (15.0 dBm)
        * 2467 MHz [12] (15.0 dBm) (no IR)
        * 2472 MHz [13] (15.0 dBm) (no IR)
Band 2:
    Capabilities: 0x107e
        HT20/HT40
        SM Power Save disabled
        RX Greenfield
        RX HT20 SGI
        RX HT40 SGI
        No RX STBC
        Max AMSDU length: 3839 bytes
        DSSS/CCK HT40
    Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
    Minimum RX AMPDU time spacing: 4 usec (0x05)
    HT Max RX data rate: 300 Mbps
    HT TX/RX MCS rate indexes supported: 0-15
    Bitrates (non-HT):
        * 6.0 Mbps
        * 9.0 Mbps
        * 12.0 Mbps
        * 18.0 Mbps
        * 24.0 Mbps
        * 36.0 Mbps
        * 48.0 Mbps
        * 54.0 Mbps
    Frequencies:
        * 5180 MHz [36] (15.0 dBm) (no IR)
        * 5200 MHz [40] (15.0 dBm) (no IR)
        * 5220 MHz [44] (15.0 dBm) (no IR)
        * 5240 MHz [48] (15.0 dBm) (no IR)
        * 5260 MHz [52] (15.0 dBm) (no IR, radar detection)
        * 5280 MHz [56] (15.0 dBm) (no IR, radar detection)
        * 5300 MHz [60] (15.0 dBm) (no IR, radar detection)
        * 5320 MHz [64] (15.0 dBm) (no IR, radar detection)
        * 5500 MHz [100] (15.0 dBm) (no IR, radar detection)
        * 5520 MHz [104] (15.0 dBm) (no IR, radar detection)
        * 5540 MHz [108] (15.0 dBm) (no IR, radar detection)
        * 5560 MHz [112] (15.0 dBm) (no IR, radar detection)
        * 5580 MHz [116] (15.0 dBm) (no IR, radar detection)
        * 5600 MHz [120] (15.0 dBm) (no IR, radar detection)
        * 5620 MHz [124] (15.0 dBm) (no IR, radar detection)
        * 5640 MHz [128] (15.0 dBm) (no IR, radar detection)
        * 5660 MHz [132] (15.0 dBm) (no IR, radar detection)
        * 5680 MHz [136] (15.0 dBm) (no IR, radar detection)
        * 5700 MHz [140] (15.0 dBm) (no IR, radar detection)
        * 5745 MHz [149] (15.0 dBm) (no IR)
        * 5765 MHz [153] (15.0 dBm) (no IR)
        * 5785 MHz [157] (15.0 dBm) (no IR)
        * 5805 MHz [161] (15.0 dBm) (no IR)
        * 5825 MHz [165] (15.0 dBm) (no IR)
Supported commands:
     * new_interface
     * set_interface
     * new_key
     * start_ap
     * new_station
     * set_bss
     * authenticate
     * associate
     * deauthenticate
     * disassociate
     * join_ibss
     * set_tx_bitrate_mask
     * frame
     * frame_wait_cancel
     * set_wiphy_netns
     * set_channel
     * set_wds_peer
     * probe_client
     * set_noack_map
     * register_beacons
     * start_p2p_device
     * set_mcast_rate
     * connect
     * disconnect
     * set_qos_map
     * set_multicast_to_unicast
Supported TX frame types:
     * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
     * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
     * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
     * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
     * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
     * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
     * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
     * P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
Supported RX frame types:
     * IBSS: 0x40 0xb0 0xc0 0xd0
     * managed: 0x40 0xd0
     * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
     * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
     * mesh point: 0xb0 0xc0 0xd0
     * P2P-client: 0x40 0xd0
     * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
     * P2P-device: 0x40 0xd0
WoWLAN support:
     * wake up on disconnect
     * wake up on magic packet
     * wake up on pattern match, up to 20 patterns of 16-128 bytes,
       maximum packet offset 0 bytes
     * can do GTK rekeying
     * wake up on GTK rekey failure
     * wake up on EAP identity request
     * wake up on rfkill release
software interface modes (can always be added):
     * AP/VLAN
     * monitor
valid interface combinations:
     * #{ managed } <= 1, #{ AP } <= 1,
       total <= 2, #channels <= 1, STA/AP BI must match
     * #{ managed } <= 2,
       total <= 2, #channels <= 1
HT Capability overrides:
     * MCS: ff ff ff ff ff ff ff ff ff ff
     * maximum A-MSDU length
     * supported channel width
     * short GI for 40 MHz
     * max A-MPDU length exponent
     * min MPDU start spacing
Device supports TX status socket option.
Device supports HT-IBSS.
Device supports SAE with AUTHENTICATE command
Device supports scan flush.
Device supports per-vif TX power setting
Driver supports full state transitions for AP/GO clients
Driver supports a userspace MPM
Device supports static SMPS
Device supports dynamic SMPS
Device supports configuring vdev MAC-addr on create.

hostapd.conf

auth_algs=1
channel=11
ctrl_interface=/var/run/hostapd
ctrl_interface_group=0
driver=nl80211
eap_server=0
eapol_key_index_workaround=0
fragm_threshold=-1
hw_mode=g
ignore_broadcast_ssid=0
interface=wlan0
macaddr_acl=0
max_num_sta=255
own_ip_addr=127.0.0.1
rts_threshold=-1
ssid=MYSSID
utf8_ssid=1
wpa=2
wpa_passphrase=MYPASS
    
por Magicloud 25.09.2018 / 16:39

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