From: benoni.martin@accenture.com
Date: Wed Mar 19 2008 - 14:52:30 EST
Hello Simon,
Quite simple:
- no promisc: your NIC looks at the network, and takes only the packets destinated to it (gets the packets where "destination MAC address" = "NIC MAC address"),
- promisc: your NIC looks at the network, and takes ALL the packets it can get, whether they are adressed to it or not.
So, in a nutshell:
- no promisc: your NIC shows you only your trafic
- promisc: your NIC shows you all the trafic on the wire
HTH ...
________________________________
De: listbounce@securityfocus.com de la part de Simon Templar
Date: mer. 19/03/2008 14:51
À: pen-test@securityfocus.com
Objet : Promiscuous Mode
Hello everybody,
I have a question concerning "Promiscuous Mode", I know what it is,
but I would like to know exactly what is happening behind the scenes
when I change my NIC to this mode
For example: what is the technicality in writing the command:
ifconfig eth0 promisc?
Your help is so much appreciated.
Best regards.
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