How to get UUID/GUID of a client
Sten Carlsen
stenc at s-carlsen.dk
Mon Feb 14 19:44:49 UTC 2011
Even if changing the UUID is not possible, I can still just set a fixed
address in my PC, then I have a new IP, would that not work?
On 14/02/11 14:49, Ben wrote:
> Le 14/02/2011 14:14, Simon Hobson a écrit :
>>
>> AFAIK all LInux distros, and PXE, send no UID with their requests.
>>
>
> I noticed in a packet dump, on boot pxe, that in the request for a
> DHCP, UUID is sended. But, its true, in a dhcp request when system was
> loaded they aren't send UUID.
>
>>
>> Actually, changing the UID would be even easier than changing the MAC
>> address. If the user can change the MAC address, and that's a problem,
>> then you mights as well pack up and go home ! It's the nearest thing we
>> have to a unique and unchanging identifier - and as you've observed,
>> it's not exactly hard to change.
>>
>
> I think changing UUID is not possible, because its integrated to the
> BIOS, and my end users does not have access to the BIOS, and I think
> its not possible to a distro to edit the BIOS..
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--
Best regards
Sten Carlsen
No improvements come from shouting:
"MALE BOVINE MANURE!!!"
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