Is promiscuous mode bad?

Ruben de Groot mail25 at bzerk.org
Mon Aug 16 05:21:59 PDT 2004


On Sun, Aug 15, 2004 at 07:53:10PM -0700, Kevin Stevens typed:
> 
> A lot of network scanners also trigger on NICS in promiscuous mode 
> (there's a way to detect them, I forget the details at the moment) 
> because admins want to know if any hosts are out there sniffing.

How sure are you about that? AFAIK there's no way to detect a NIC in 
promiscuous mode *from the outside*. I would be very interested in a network
scanner that could.

Ruben



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