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I need to prove to my boss that he has a vulnerability to a mitm vector on his network. To do so I have been trying to configure ettercap with dns_spoof as an example.

When I run the attack on myself I am redirected reliably, however, I cant redirect any other computers on my network (I own them all so its all good).

Does anyone know what might be causing this? I have flushed the dscache on them and still nothing.

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thegeekstuff.com/2012/05/ettercap-tutorial an step by step tutorial regarding it – BlueBerry - Vignesh4303 Oct 1 '12 at 13:23

I have found a solution to this problem.

I enabled packet forwarding on my kernel and the attack works great now.

 sudo sysctl -w net.inet.ip.forwarding=1
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You should list the command used and then mark this as accepted (thought I know there might be a delay before you can). – Jeff Ferland Oct 1 '12 at 19:41
    
there is a lag till I can – November Oct 1 '12 at 21:27

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