From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: [Patch] ip{,
	6}tables-restore -n with existing user defined chain
Date: Sat, 11 Jun 2005 18:12:49 +0200
Message-ID: <42AB0D81.2080804@trash.net>
References: <Pine.LNX.4.61.0505181157190.3744@e-smith.charlieb.ott.istop.com>
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Cc: Harald Welte <laforge@netfilter.org>, netfilter-devel@lists.netfilter.org
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To: Charlie Brady <charlieb-netfilter-devel@budge.apana.org.au>
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Charlie Brady wrote:
> 
> I want to redefine an existing chain atomically. I can't do that with
> the iptables command, but can almost do it with iptables-restore -n.
> When I try, iptables barfs because the chain already exists. Duh! Yeah,
> I know it exists, but I want to redefine it.
> 
> I don't see the semantics of this case defined anywhere, and I can't
> find discussion of it in the archives. So I suggest that the semantics
> be redefined, so that iptables-restore -n can redefine an existing chain
> (iptables-restore without -n already does that). I really can't think
> why anyone would depend on the current semantics.

I have no objections, but since I'm not too familiar with that code
I would like to hear Harald's opinion before applying it.

Regards
Patrick