On Sun, Jun 22, 2003 at 01:54:33PM +0200, Adam ENDRODI wrote: > How widely do you think changing the MAC address of a NIC via > ``ifconfig <if> hw'' is supported by the various network cards > and drivers out there nowadays? > > My collegue and me have debated several times whether watching > the LAN for non-matching IP-MAC pairs can reveal any useful > information. I argued that it may not, since the MAC is easily > alterable, but he objected, because it's not. Now I ask you to > decide who is right.
I have no statistics on that topic. But by now I could change about every MAC address. I use it for cold-standby machines which I can bring up if one machine fails. The network does not need to know anything has changed. IMHO the MAC address is no proof of authenticity. Christoph -- ~ ~ ".signature" [Modified] 3 lines --100%-- 3,41 All -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]