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  1. #1
    Just burned his ISO
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    Feb 2010
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    Default problem with rtl8187b

    Hi!
    i am a newbie at linux.I'm running BT4 Final in VMware.My wireless adapter is netgear WG111 v3 which has the chipset RTL8187B.I use the driver rtl8187 while i have blacklisted the older r8187.So,when i run iwconfig this is what i get:
    lo no wireless extensions.

    eth0 no wireless extensions.

    wmaster0 no wireless extensions.

    wlan0 IEEE 802.11bg ESSID:""
    Mode:Managed Frequency:2.437 GHz Access Point: Not-Associated
    Tx-Power=27 dBm
    Retry min limit:7 RTS thrff Fragment thrff
    Encryption keyff
    Power Managementff
    Link Quality:0 Signal level:0 Noise level:0
    Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
    Tx excessive retries:0 Invalid misc:0 Missed beacon:0

    So far,it appears that it works fine.However,when i type "iwlist scan" i get:
    lo Interface doesn't support scanning.

    eth0 Interface doesn't support scanning.

    wmaster0 Interface doesn't support scanning.

    wlan0 Interface doesn't support scanning : Network is down

    Why does this happen since i have the right driver and patches installed?
    On the contrary,when i put my card in monitor mode using "airmon-ng start wlan0 6" for example and then type "airodump-ng -c 6 mon0" it manages to find some APs and clients.And even in this case,when i try the injection test according to the wiki on aircrack-ng.org,my card doesn't seem to support injection
    Can someone explain to me what to do?
    Thanks

  2. #2
    My life is this forum Snayler's Avatar
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    Default Re: problem with rtl8187b

    Quote Originally Posted by geo_89 View Post
    wlan0 Interface doesn't support scanning : Network is down
    Try this:
    Code:
    ifconfig wlan0 up
    and then try the scan option again. Let us know how it works.

    Quote Originally Posted by geo_89 View Post
    And even in this case,when i try the injection test according to the wiki on aircrack-ng.org,my card doesn't seem to support injection
    Can someone explain to me what to do?
    Thanks
    This card poorly supports injection. I managed to get it working once, but it was like after my 20th attempt. And it didn't ever worked after that. I think you are better off just buying a new card.

  3. #3
    Just burned his ISO 2lood's Avatar
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    Feb 2010
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    Default Re: problem with rtl8187b

    that is strange; i have exactly the same card and i cannot complain. I am noob too, but packet injection with aireplay worx just fine.
    Code:
    airmon-ng check wlan0
    should give you some hints too.
    IMO, sometimes is best to quit your networkmanager when preforming some actions

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