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From: Phil Oester <kernel@linuxace.com>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: netfilter-devel@vger.kernel.org, zenczykowski@gmail.com
Subject: Re: [PATCH v2] iptables: Sort table names in ip[6]tables-save
Date: Sun, 7 Jul 2013 21:21:46 -0700	[thread overview]
Message-ID: <20130708042146.GB5532@linuxace.com> (raw)
In-Reply-To: <20130708023919.GA14122@localhost>

On Mon, Jul 08, 2013 at 04:39:19AM +0200, Pablo Neira Ayuso wrote:
> On Wed, Jul 03, 2013 at 12:29:12AM -0400, Phil Oester wrote:
> > Depending upon the load order of rules, the output from ip[6]tables-save
> > will vary, as ip[6]_tables_names is sorted LIFO.  As reported by
> > Linus van Geuns, this makes comparing output from ip[6]tables-save across
> > reboots difficult.  Fix this by sorting table names prior to walking
> > the tables, making output consistent.
> 
> Better add an option to explicitly request the sorting, so we stick to
> the old behaviour by default.

The old behavior is random depending upon module load order.  We should
keep random behavior?  

> But, how can the unsorted table output be useful?

Ask Maciej - he is the one that requested this be provided as an option.

Phil

      reply	other threads:[~2013-07-08  4:21 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-03  4:29 [PATCH v2] iptables: Sort table names in ip[6]tables-save Phil Oester
2013-07-08  2:39 ` Pablo Neira Ayuso
2013-07-08  4:21   ` Phil Oester [this message]

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