On Thu, 12 Oct 2006 13:52:14 -0800, "Dana" <raff242@yahoo.com> wrote in
<12ite69qketgj76@corp.supernews.com>:

>"John Navas" <spamfilter0@navasgroup.com> wrote in message
>news:rscti2dl4l1sidb461uvro8epi5r48k64b@4ax.com.. .

>> Why would you want to change your MAC address? You're identifiable by
>> your IP address.
>
>IP addresses are logical addresses, a host can change his IP address.
>Where a MAC address is a burned in address for a paticular NIC. This address
>cannot be changed, hence it represents one unique host. Of course you can
>change out nics, but that is not usually done.

The remote bad guy can't see your MAC address (only the local network
sees it), so this is irrelevant.

>> Those things out there just use your IP address. Your MAC address comes
>> from ARP. (Look it up in Wikipedia.)
>
>Your MAC address does not come from ARP, your MAC address is burned into
>your NIC by the manufacture. The first part af the MAC addressed is
>controlled by a global body that gives addresses to the manufactures, the
>second part of the MAC address is controlled by the manufacture to identify
>the host.
>ARP is a way to resolve addresses, ARP does not give out addresses.

Are you trying to be argumentative? ARP is how the local network finds
your MAC address from your IP address.

--
Best regards, FAQ for Wireless Internet: <http://Wireless.wikia.com>
John Navas FAQ for Wi-Fi: <http://wireless.wikia.com/wiki/Wi-Fi>
Wi-Fi How To: <http://wireless.wikia.com/wiki/Wi-Fi_HowTo>
Fixes to Wi-Fi Problems: <http://wireless.wikia.com/wiki/Wi-Fi_Fixes>