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Date:      Fri, 16 Nov 2001 09:08:09 -0500
From:      Mikel King <mikel@ocsinternet.com>
To:        Julian Elischer <julian@elischer.org>
Cc:        Chrisy Luke <chrisy@flix.net>, Julian Elischer <julian@vicor-nb.com>, net@FreeBSD.ORG
Subject:   Re: RFC: ipfirewall_forward patch
Message-ID:  <3BF51DC8.A2AC1549@ocsinternet.com>
References:  <Pine.BSF.4.21.0111141707210.4779-100000@InterJet.elischer.org>

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Just curious, but what's a doddle?

Cheers,
mikel

Julian Elischer wrote:

> On Thu, 15 Nov 2001, Chrisy Luke wrote:
> > > > only packets already leaving the system can be hijacked and forwarded
> > > > to a 2nd machine. Incoming packets can only be forwarded to local
> > > > addresses/port combinations.
> >
> > My fault. I was being lazy when I wrote it. :)
>
> Ah it WAS you I committed it for wasn't it? :-)
>
> >
> > > > This patch would allow a sequence of mchines to hijack
> > > > a particular conforming packet and pass it allong a chain of
> > > > these machine sot make it fall out somewhere else..
> >
> > It looks good. The ipfw syntax doesn't quite make sense to me.
>
> They all have different bits masked by  the netmask..
>
> > Also, are you requiring that they all be on the same ipfw rule number?
>
> No, I was lazy..
> (cut'n'pasted the rules)
>
> >
> > Writing a script to probe a serving host and alter ipfw rules could be
> > done seamlessly if they were on seperate ipfw rules.
>
> well sure.. it's the mechanism not the details I was looking at..
> Can you check my logic on the changes.?
> I'll be testing it more tonight..
>
> >
> > With a similar trick to move aliases around on a primary ether port,
> > it's going to be a doddle to setup a clustered-transparent loadbalancer
> > in FreeBSD now. Neat. :)
>
> that's the theory..
>
> Why make a huge complicated program to do it when
> you can do it with ipfw :-)
>
> >
> > Cheers,
> > Chris.
> > --
> > == chris@easynet.net                                    T: +44 845 333 0122
> > == Global IP Network Engineering, Easynet Group PLC     F: +44 845 333 0122
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-net" in the body of the message
> >
>
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