On 01/07/04 16:46 +0530, Vinu Chandran wrote:
> One more thing I've noticed... Sorry i didn't mention that in the
> previous mail. I tried experimenting in to different network. Please
> see below
> 
> Setup - I
> ---------
> 
>       Client computer --> Linux gateway --> Internet
> 
> In this case the iptables -m mac --mac-source.... works. I'm able to
> match the client computer but in the next setup I'm not able to. pls
> see below.
Ethernet MAC addresses only cover the same layer 2 broadcast network.

> 
> Setup - II
> ----------
> 
>       Client computer --> Router --> Linux gateway --> Internet
> 
> In this case am not able to match the MAC address. When i tried to see the
> full iptables logs then I found the it's providing the MAC of router instead
> of Client computer. Is there any way I can match the client MAC at the linux
> gateway ? Please help
No, because they are not on the same layer 2 broadcast network

Devdas Bhagat


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