>> http://www.microlinux.fr/doc_en_stock/dhcp.html > Amazing! So as a malicious employee, all I have to do is run a DHCP > server that dishes out host names with the adress leases and then AD > will be ruined as DNS records will be wrong and computers won't match > their accounts in AD? Boxes that are members of an AD will not accept leases from a dhcp server that has not been authorized as a dhcp server in the AD. This setup is for a home network of stand-alone boxes. And at the end of the article, they are also leasing addresses to Linux boxes and checking whether they are successful in the dhclient-ethX.leases file.