[ringzero] Re: just a musing..

On Tue, January 23, 2007 11:43 pm, Michael Kjorling wrote:

> On 2007-01-23 23:01 +0000, ed@xxxxxxx wrote:
>
>> what i'm after is a means of changing the mac address of the packet as
>> it's written out. does the drive put this into the packet or is it
>> software based, since SO_BROADCAST will set the destination mac address,
>> i'm guessing that there has to be someway of doing this in software
>> without requiring root.
>
> Many modern NICs do allow software to specify the MAC address, so my
> place of choice to start would be the network card driver itself, or
> ifconfig's interface to it. I would be surprised if this can be done
> without requiring root privileges, though, as that would open a whole silo
> of worms. Everything from packet spoofing to DoS with a constantly
> changing MAC address would become trivial.

well, the DoS would extend on as far as the router, outside of that the
router controls the MAC address itself, so it would be a pretty limited
DoS. i guess its not going to be available without root. i guess whatever
i do, it's not going to be that portable.

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