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Thread: Wifi Connection Problem

  1. #1
    Just burned his ISO
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    Default Wifi Connection Problem

    Greetings,

    I have the following problem, when i launch Wicd Network Manager, it wont just find any wifi network. And when i try to connect to " wired-default " inside Wicd Network interface, it's getting stuck at " Obtaining Ip address... " . And after a while it gives error " Unable to obtain Ip address " .

    Laptop Network controller: Broadcom Corporation BCM4313 802.11/g/n Wireless LAN Controller (rev 01).



    Ty for help!
    Also, if you need some more information ask for it.

  2. #2
    Good friend of the forums scottm99's Avatar
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    Default Re: Wifi Connection Problem

    Personally, I've always had bad luck with Broadcom chipsets (e.g. flaky connection, into & out of monitor mode, etc), and therefore stay away from them. It may be easier to simply purchase a more compatible wi-fi card (several good ones are recommended on the hardware compatibility list forums, as well as the Wi-Fu course at Offensive Security).
    If I could figure out how to scuba dive & hack at the same time, there would be nothing I couldn't do...

  3. #3
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    Default Re: Wifi Connection Problem

    Ty for your reply.

    I was looking around and found out that my laptop wifi card doest support injection yet...
    I got woring the Wicd networking searching list. Now i see list of available connections near me. But when i try to connect to one of them it again... wont connect, maybe the connection strength is bad. Going to try tomarrow at school and will say how it went.

  4. #4
    Good friend of the forums scottm99's Avatar
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    Default Re: Wifi Connection Problem

    You're welcome, and experimenting never hurts Be sure to run airmon-ng to see if your card will go into monitor mode, and aireplay-ng to do an injection test.
    If I could figure out how to scuba dive & hack at the same time, there would be nothing I couldn't do...

  5. #5
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    Default Re: Wifi Connection Problem

    Can you write the outputs of iwconfig ifconfig ? and ls /lib/modules/`uname -r`/kernel/drivers/net/wireless
    I compiled allot of times broadcom driver
    They were hell but now im used to it allot of them got freshly monitor mode ^^

  6. #6
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    Exclamation Re: Wifi Connection Problem

    Ok, so the patched drivers for the BCM4313 are now included with BackTrack 5r2. The wireless card works great in monitor mode, and will inject packets. But I still have this "cannot obtain IP address" whenever I attempt to connect to any network. I'm fairly new to backtrack and patched drivers in particular. Any ideas?

  7. #7
    Very good friend of the forum maverik35's Avatar
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    Default Re: Wifi Connection Problem

    Depends on the pci id: Need to check, type: lspci -vnn | grep 14e4

    See the id (4313, 4311, 4312, etc)....

    Go to this link and check table, see if is supported by aircrack-ng according to the ID...http://www.aircrack-ng.org/doku.php?id=b43

    The new table (up to date) is here for linux drivers: http://wireless.kernel.org/en/users/...wn_PCI_devices

    Try the new driver, download it and install it..See if it works: http://mmc.geofisica.unam.mx/debian/...mware-nonfree/ (use this : firmware-brcm80211_0.36_all.deb)

    If it does not work, you might want to try the iw driver for broadcoms as stated in the table (first link) posted above. That would be your second option.

    Luck

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