On Mon, 4 Nov 2002, Bart De Schuymer wrote:
> On Monday 04 November 2002 21:18, Pekka Savola wrote:
> > > Harald replied on the netfilter-devel mailing list that this is a
> > > feature.
> >
> > Of course it is a feature -- for _routing_ code.
> 
> Right. I kind of overlooked that originally ;) You'd better not use that final 
> patch I sent if you want to use the bridge as a router too.

But I don't -- I want to use it purely as a bridge, completely transparent 
-- I don't want my bridge's IP in the ICMP error messages, but that of the 
destination.
 
> > For bridging, that is entirely different.
> 
> Ideally the REJECT target should have an option that tells the code to use the 
> destination address of the original packet as the source address of the ICMP 
> message.
> I'll ask the netfilter guys what they think about that.

I *strongly* believe this should be default when bridging, but I could
live with it either way.

> > Btw. I wonder what is used as a source address if the bridge has no IP.
> 
> Probably 0.0.0.0. Ofcourse, this strange situation is bridge-nf's fault.

Right.  Nothing netfilter does when being run from bridge context should 
use its own IP address, IMO.

-- 
Pekka Savola                 "Tell me of difficulties surmounted,
Netcore Oy                   not those you stumble over and fall"
Systems. Networks. Security.  -- Robert Jordan: A Crown of Swords

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