Re: [WinPcap-users] Disable capturing of outgoing packets

[Goran B]

Robert Thornthwaite wrote:
Goran,
Turn off promiscuous mode.
Look at the flags for the new pcap_open() function or if you are using
one of the other functions there is a similar parameter you can use.
Robert Thornthwaite
 

I'm working on a very simple software ethernet bridge using 
winpcap. It 
uses only two NICs. Packets received on the first NIC will be 
sent out 
on the other and vice versa.
Now, due to the 'loopback' mechanism, everytime I forward a 
packet, the 
same packet is then received later on the same nic that it 
was sent on 
(which will be forwarded to the first device, which will receive it 
again and so on...).
   


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If I turn off promiscuous mode, the NICs won't receive the packets from 
the network and my bridge would be useless.


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