[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [cobalt-security] chkrootkit output, what does it mean?



On Fri, 15 Mar 2002 14:05:11 +0100, Michael Stauber <cobalt@xxxxxxxxxxxxxx>
wrote:

[snip]

:>Yes. Sometimes the network cards remain in promiscuous mode even after the 
:>application that switched 'em to that mode have ended. 
:>
:>Example: running "tcpdump -i eth0 -n" for instance will start a console based 
:>network sniffer. Interrupt it by pressing CTRL+C, wait a moment and then 
:>start chkrootkit. It will report that the network card is still in 
:>promiscuous mode, even though tcpdump has already been stopped.

What exactly is promiscuous mode? Why does a program such as tcpdump turn on
promiscuous mode?

Once the network card is in promiscuous mode, how does one turn it off
(reboot)?

Thanks for the education.

-- 
Mike