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Intel Pro/Wireless 3945 Injection Walkthrough

I've tested this on Ubuntu 7.10 Gutsy and 7.04 Feisty but I don't see why it shouldn't work on other OS's.

To install ipwraw-ng,

  1. Download ipwraw-ng from or (2.3.4 is the latest as of 02/11/2008)
  2. Install the modules and ucode
  3. Blacklist ipwraw (so it's not automatically loaded at boot time)
tar -xjf ipwraw-ng*
cd ipwraw-ng
sudo make install
sudo make install_ucode
echo "blacklist ipwraw" | sudo tee /etc/modprobe.d/ipwraw
sudo depmod -ae

To use ipwraw-ng,

  1. Unload the ipw3945 module
  2. Load ipwraw

The device created will automatically be in monitor mode. You can use iwconfig to set the channel and rate.

sudo modprobe -r ipw3945
sudo modprobe ipwraw

And when you're done,

sudo modprobe -r ipwraw
sudo modprobe ipw3945

At this point in time, this page is far from complete. In the interim, useful information will be included here. Also do a Forum Search for additional information.

Useful links:

Also consider using the Wifi-Way live CD instead.

ipw3945.1204653553.txt.gz · Last modified: 2008/03/04 18:59 by mister_x