[PLUG] OT: Detecting network traffic

Brian Benson brian.maillists at gmail.com
Sat Oct 2 17:06:09 UTC 2004


use a hub and tcpdump or ethereal to sniff the packets. switches use
mac adresses to selectivly send packets out certain ports. so you
would need a hub which just broadcast all net trafic to all of the
ports.  Maybe others know how to do it with a swtch.
-Brian


On Sat, 02 Oct 2004 23:54:12 +0000, Vincent Yau <v_yau3 at hotmail.com> wrote:
> 
> I have a bit of a off-topic question.
> I have a very conventional setup at home.  A cable modem,
> D-link cable modem router, and share the cable internet
> connection amongst several PCs.  2 Windows and 2 Linux boxes.
> 
> From one of the linux boxes, I want to be able to scan all network
> traffic within my intranet.  So basically, I want to be able
> to detect all packets travelling from my D-Link router
> to each of the other 3 boxes from my linux box.
> Is there a way for me to achieve this?
> 
> Thanks for any pointer.
> 
> --Vincent
> 
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