[Full-disclosure] how to bypass rouge machine detection techniques

[Michael Holstein]

> now i am just wondering if the detection technique can be integrated
> at the switch level. for example, one software can connect to switch
> via ssh, and collect the ipaddress information of the machine trying
> to plug in to the network, as soon as we detect this machine, we can
> connect to it to test whether its a part of trusted domain/network or
> not.

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat4000/12_1_13/config/dhcp.htm

Not 100% of what you asked, but basically requires the device "obey" the 
trusted DHCP server you define. It's only available on certian edge 
switches (notably the 35xx and some 29xx units) AFIK.

Cheers,

~Mike.