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From: Grant Taylor <gtaylor@riverviewtech.net>
To: Mail List - Netfilter <netfilter@vger.kernel.org>
Subject: Re: iptables / ebtables IP address intercept
Date: Fri, 06 Aug 2010 16:07:44 -0500	[thread overview]
Message-ID: <4C5C79A0.8060607@riverviewtech.net> (raw)
In-Reply-To: <FC97946E765591E436489FAE@nimrod.local>

On 08/04/10 03:08, Alex Bligh wrote:
> R1 might or might not be connected to BBI, or R1/C1 might be in 1918 
> space

Ok.

> OK - that looks promising. I'd only investigated iptables & ebtables.

*nod*

> Note BBI hangs of BR1 not R1 - I think that makes things easier.

Seeing as how BR1 is a bridge and router, it doesn't make that much 
difference.

> I presume there is a route step here, but C1' is designed to be on 
> the correct interface.

Yes.

The reply traffic will be routed at layer 3, and then at layer 2 will be 
altered from the one layer 3 (that was routed) to the proper layer 3 
(that isn't routed).

> Sure - thanks.

I've done some more thinking and I strongly believe that what needs to 
be done can be, I just don't have a way to test this at the moment.  (I 
will see if I have some time this weekend to throw together a VM.)

> That's actually quite simple, as because BBI is not behind R1, all 
> the non-intercepted traffic is simply bridged.

*nod*



Grant. . . .

      reply	other threads:[~2010-08-06 21:07 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-31 14:24 iptables / ebtables IP address intercept Alex Bligh
2010-08-03 16:54 ` Grant Taylor
2010-08-03 18:06   ` Alex Bligh
2010-08-03 20:23     ` Grant Taylor
2010-08-04  8:08       ` Alex Bligh
2010-08-06 21:07         ` Grant Taylor [this message]

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