All you would have to do is open a sniffing program such as tcpdump or ethereal (i would think there are similar windows products, maybe not though) and contact the host. From there you can dissect the packet and get the information.
John On Wed, 4 Dec 2002 [EMAIL PROTECTED] wrote: > > I have a question regarding the recent discussion about IP to MAC mapping. > > In fact suppose you have a system installed which controls if any unknown > MAC address exists in your lan. > > There would still be the possibility to replace an official workstation by > a laptop with a reconfigured MAC address (the same as the network card of > the official workstation). > > I guess the only way of preventing this is to avoid disclosing the mac > address of the official workstations. > > To achieve this you have to prevent giving access on the official > workstations to critical programs like arp and ipconfig. > > My question now is : what other standard windows programs like arp and > ipconfig can give you official mac addresses ? > > Thanks in advance > > Lars >
