From: Eric Garver <eric@garver.life>
To: Phil Sutter <phil@nwl.cc>,
Pablo Neira Ayuso <pablo@netfilter.org>,
netfilter-devel@vger.kernel.org, Florian Westphal <fw@strlen.de>
Subject: Re: [nf-next PATCH] netfilter: nf_tables: Support updating table's owner flag
Date: Wed, 13 Dec 2023 09:08:12 -0500 [thread overview]
Message-ID: <ZXm6zI16aVSwvEDB@egarver-mac> (raw)
In-Reply-To: <ZXmgAu3u2w+Xjh8+@orbyte.nwl.cc>
On Wed, Dec 13, 2023 at 01:13:54PM +0100, Phil Sutter wrote:
> Hi,
>
> On Tue, Dec 12, 2023 at 05:47:22PM -0500, Eric Garver wrote:
> > I'm not concerned with optimizing for the crash case. We wouldn't be
> > able to make any assumptions about the state of nftables. The only safe
> > option is to flush and reload all the rules.
>
> The problem with crashes is tables with owner flag set will vanish,
> leaving the system without a firewall.
I'd rather see the daemon be automatically restarted. After a crash you
still have a flush + re-apply on daemon restart. Avoiding the cleanup
due to table owner flag only shortens the window.
I think we're getting off topic for this list. Let's discuss off list if
you want. :)
[..]
next prev parent reply other threads:[~2023-12-13 14:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-08 13:01 [nf-next PATCH] netfilter: nf_tables: Support updating table's owner flag Phil Sutter
2023-12-12 13:08 ` Pablo Neira Ayuso
2023-12-12 16:23 ` Phil Sutter
2023-12-12 22:47 ` Eric Garver
2023-12-13 12:13 ` Phil Sutter
2023-12-13 14:08 ` Eric Garver [this message]
2023-12-13 15:29 ` Florian Westphal
2023-12-13 15:15 ` Pablo Neira Ayuso
2023-12-13 15:51 ` Phil Sutter
2023-12-13 15:54 ` Pablo Neira Ayuso
2023-12-13 16:32 ` Thomas Haller
2023-12-13 16:45 ` Florian Westphal
2023-12-13 17:04 ` Thomas Haller
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