[kismac] little guide to MAC address customization

  • From: "antoine c" <kismacroberto@xxxxxxxxxxx>
  • To: kismac@xxxxxxxxxxxxx
  • Date: Sat, 06 Aug 2005 04:27:19 +0000

Here a little guide to custom MAC address on the Mac. I posted it on kismac's wiki:
http://kismac.binaervarianz.de/wiki/wiki.php/KisMAC/FAQTechnicalMacCustomization


feel free to correct it
thank you to mick and stefan.





A custom MAC address is required to access networks with MAC filtering enabled.
Here is a guide on how to achieve this on Mac OS X as of august 2005 according to devices and OSes.



AIRPORT EXTREME
Tested on Panther and Tiger, but might work on all X OSes. Follow the set of instructions for either dynamic or static customization from http://www.suspekt.org.



PRISM 2 & ORINOCO CARDS
First download the free sourceforge drivers (http://wirelessdriver.sourceforge.net/). If Kismac is already installed, remove it. Install the sourceforge driver, then (re)install Kismac. ?Patch? the driver when asked to.
- Jaguar: use WirelessMac provided with Kismac along with the patch to alter the MAC address of your card
- Panther: WirelessMac does not work in Panther. Patch the kernel following the instruction posted here and then use the following Terminal command: ifconfig ether 00:01:02:03:04:05. Note: patching of the kernel requires solid Unix skills.
- Tiger: method not supported. the patch for the sf driver is not yet ported to Tiger.



PRISMGT CARDS
Install the GTDriver (http://gtdriver.binaervarianz.de/).
On Panther or Tiger, run the Terminal command: ifconfig ether 00:01:02:03:04:05 (where 00:01:02:03:04:05 is the MAC address you want to spoof)
Note: PrismGT based cards are increasingly difficult to find as vendors are silently replacing the chipset in these cards without anyway of knowing. Try your card before you buy it.



USB PRISM2 DEVICES
On all Mac OSes, flash the firmware following this set of instructions and the Windows exe firmware patcher from http://www.frars.org.uk/cgi-bin/render.pl?pageid=1109.
Note: Do this at own risk!



OTHER CHIPSETS
MAC address customization on wireless devices requires that the driver supporting the card be patched in order to actively alter the MAC address. Since most drivers running wireless cards on Mac OS X are not open source, it makes patching the driver difficult. Thus MAC address customization on devices based on other chipsets than the ones mentioned above is not yet supported.


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