Security risk associated with a NIC's promiscuous mode?

[Brian A. Seklecki]

On Fri, 7 Oct 2005, John Conover wrote:

>
> Is there any security risk associated with a NIC's promiscuous mode

IF you're on a switched LAN, you'll only see traffic destined for MACs 
that the switched has learned on your port (your NICs), plus 
multi/broadcast.

Unless you configure switch "mirroring" or trunking.

~BAS

> while running tcpdump and/or arpwatch?
>
>      Thanks,
>
>      John
>
> -- 
>
> John Conover, conover at rahul.net, http://www.johncon.com/
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 	-lava

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