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Thread: No data seen in monitor mode

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  1. #1
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    Exclamation No data seen in monitor mode

    Hello everyone, I'm trying to sniff my network to detect on-going connections and I get the following problem:

    First of all my equipment is ALFA network AWUS036H adapter and BT5R2 Gnome.

    I'm sniffing in monitor mode (mon0) and I can see only 802.11 management, control and data multicast or broadcast packets,
    but no actual data, which I know is passing since I'm pinging the router constantly with another computer in my network.
    I tried removing the encryption and still can't see the pings in wireshark or airodump-ng.

    To be clear, I can inject packets and see some packets in monitor mode, which are not actual data...
    Also, distance is not the issue since both computers and the router are in the same room.

    I'll appreciate your advice =]

  2. #2
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    Default Re: No data seen in monitor mode

    I'm sniffing in monitor mode (mon0)
    What command are you using?

  3. #3
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    Default Re: No data seen in monitor mode

    Code:
    airmon-ng start wlan0
    To start monitor mode (get mon0)

    Then I'm using wireshark on mon0 and don't see any data packets...
    I also tried sniffing with airodump-ng and opening the cap in wireshark later, got the same result.

  4. #4
    Very good friend of the forum maverik35's Avatar
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    Default Re: No data seen in monitor mode

    Try using:
    ifconfig wlan0 down
    iwconfig wlan0 mode monitor
    ifconfig wlan0 up
    Now run airodump-ng wlan0. Check your wireshark.

    Luck.

  5. #5
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    Default Re: No data seen in monitor mode

    Same hardware, same platform, same commands...same issue. Tried entering monitor mode the old-fashioned way, per maverik35's suggestion, but got the same result.

  6. #6
    Very good friend of the forum maverik35's Avatar
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    Default Re: No data seen in monitor mode

    have tried referring to aircrack-ng page?
    Last edited by maverik35; 12-12-2012 at 01:54 PM.

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