[Aircrack-ng] Fixed channel mon0: -1, Why and How to Change it?

I have ever had this condition when upgrading Ubuntu Lucid to Ubuntu Maverick. (never happen when I use Backtrack). This condition happen because, there are still some bugs in Maverick. So we have to patch it first.

Using this command:

sudo airmon-ng start wlan0 [channel]

changing the channel from 1 to 10. Always ends up on fixed channel mon0: -1. So, i can’t do the injection. Being frustrated, I asked from forum to forum to find the solution. But still, no one knows how to solve the problem. Until I joined French Forum (with my limited capability of speaking French :lol). I found this solution below.

Here are the commands:

wget http://wireless.kernel.org/download/compat-wireless-2.6/compat-wireless-2010-10-16.tar.bz2
tar -jxf compat-wireless-2010-10-16.tar.bz2
cd compat-wireless-2010-10-16
wget http://patches.aircrack-ng.org/mac80211.compat08082009.wl_frag+ack_v1.patch
patch -p1 < mac80211.compat08082009.wl_frag+ack_v1.patch
wget http://patches.aircrack-ng.org/channel-negative-one-maxim.patch
patch ./net/wireless/chan.c channel-negative-one-maxim.patch
gedit scripts/update-initramfs
#*** FIND LINE 13: KLIB=/lib/modules/2.6.31-wl/build
#*** REPLACE WITH: KLIB=/lib/modules/$(uname -r)/build
make
sudo make install
sudo make unload
sudo modprobe iwl3945

Because my wlan card interface is Intel Wireless Pro A/B/G 3945, so that what i typed after modprobe. If you are not sure and don’t know the interface you have, alternatively, you can change

sudo modprobe [interface] ---> sudo reboot

good luck guys… :)

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7 comments on “[Aircrack-ng] Fixed channel mon0: -1, Why and How to Change it?

  1. farizy4n says:

    Does it Work on ath9k?

  2. Guihgo says:

    You can make a video ??

  3. Hannyeinsoe says:

    Thank you very much really thank but I want to know more about of hacking you can help me ?

    • @hannyeinsoe: first of all, i’m not a hacker or cracker, white hat black hat grey hat etc. And in fact IT isn’t my field of work either. It’s just i like to learn IT a bit autodidacally. So, i’m not much of help. But i will answer your questions if i know, or maybe show you the source or whom you can learn from ;)

  4. Hannyeinsoe says:

    wget http://patches.aircrack-ng.org/mac80211.compat08082009.wl_frag+ack_v1.patch
    –2011-12-30 21:01:01– http://patches.aircrack-ng.org/mac80211.compat08082009.wl_frag+ack_v1.patch
    Resolving patches.aircrack-ng.org… 213.186.33.2, 2001:41d0:1:1b00:213:186:33:2
    Connecting to patches.aircrack-ng.org|213.186.33.2|:80… connected.
    HTTP request sent, awaiting response… 403 Forbidden
    2011-12-30 21:01:03 ERROR 403: Forbidden.

    ံHow can i do that error?

  5. Hannyeinsoe says:

    Thank you sorry for my question

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