Spoof mac address on the new MacBook Air?

TinyHulk · Feb 25, 2011, 03:31 PM

I'm about to buy a new MacBook Air to replace my old MacBook but I like to tweak things!

The ability to spoof the mac address of the airport and usb ethernetadapter is a must for me! (Do not ask why because it is a boring story)

I could not get it to work on 10.6 with my old MacBook but it worked in Windows XP via bootcamp. I think the problem was driver related.

Is it possible to spoof the Airport mac address on the new MacBook Air?
Is it possible to spoof the USB Ethernet adapter mac address on the new MacBook Air?

Any reply will be greatly appreciated

yellow · Feb 25, 2011, 03:34 PM

I believe all spoofing has to be done with the ifconfig command, and it does not survive a reboot.

TinyHulk · Feb 25, 2011, 03:51 PM

I know this commands:

Show Mac Address (en5 = ethernet adapter)

Code:

ifconfig en5 | grep ether

Change Mac Address (only worked in OSX Tiger?)

Code:

sudo ifconfig en0 ether 00:00:00:00:00:00

But I can not get it to work. (I'm trying this on my old MacBook)

I know it does not survive a reboot but thats not a problem since I can write a apple script and launch it when reboot

yellow · Feb 28, 2011, 03:31 PM

Are you trying to set it to all zeros? I'm pretty sure that won't work.

rotundo · Mar 15, 2011, 05:51 AM

For this to work, the airport adapter must be turned on but must not be associated with a network. You can achieve this by either clicking on "join network" and entering anything that doesn't exist or you can use the command line:

sudo /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -z

(I know, quite a mouthful, but it disconnects the Mac from any Wifi network immediately.)

After this, you can change the address as usual:

sudo ifconfig en1 lladdr <your new address>

Feb 25, 2011, 03:31 PM	#1
TinyHulk macrumors member Join Date: Jan 2009 Location: The Netherlands	Spoof mac address on the new MacBook Air? I'm about to buy a new MacBook Air to replace my old MacBook but I like to tweak things! The ability to spoof the mac address of the airport and usb ethernetadapter is a must for me! (Do not ask why because it is a boring story) I could not get it to work on 10.6 with my old MacBook but it worked in Windows XP via bootcamp. I think the problem was driver related. Is it possible to spoof the Airport mac address on the new MacBook Air? Is it possible to spoof the USB Ethernet adapter mac address on the new MacBook Air? Any reply will be greatly appreciated __________________ MacBook White 2.0 GHz Core Duo, 2 GB Ram, 100 GB HD iPod Video Black 5G 30 GB
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Feb 25, 2011, 03:51 PM	#3
TinyHulk Thread Starter macrumors member Join Date: Jan 2009 Location: The Netherlands	I know this commands: Show Mac Address (en5 = ethernet adapter) Code: ifconfig en5 \| grep ether Change Mac Address (only worked in OSX Tiger?) Code: sudo ifconfig en0 ether 00:00:00:00:00:00 But I can not get it to work. (I'm trying this on my old MacBook) I know it does not survive a reboot but thats not a problem since I can write a apple script and launch it when reboot __________________ MacBook White 2.0 GHz Core Duo, 2 GB Ram, 100 GB HD iPod Video Black 5G 30 GB
	0

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Feb 25, 2011, 03:34 PM	#2
yellow Demi-God (Moderator) Join Date: Oct 2003 Location: I love you, food.	I believe all spoofing has to be done with the ifconfig command, and it does not survive a reboot.
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Feb 28, 2011, 03:31 PM	#4
yellow Demi-God (Moderator) Join Date: Oct 2003 Location: I love you, food.	Are you trying to set it to all zeros? I'm pretty sure that won't work.
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Mar 15, 2011, 05:51 AM	#5
rotundo macrumors newbie Join Date: Mar 2011	For this to work, the airport adapter must be turned on but must not be associated with a network. You can achieve this by either clicking on "join network" and entering anything that doesn't exist or you can use the command line: sudo /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -z (I know, quite a mouthful, but it disconnects the Mac from any Wifi network immediately.) After this, you can change the address as usual: sudo ifconfig en1 lladdr <your new address>
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