From: Jakub Kicinski <kuba@kernel.org>
To: Florian Westphal <fw@strlen.de>
Cc: <netdev@vger.kernel.org>,
davem@davemloft.net, netfilter-devel@vger.kernel.org,
pabeni@redhat.com, edumazet@google.com,
Pablo Neira Ayuso <pablo@netfilter.org>,
Aaron Conole <aconole@redhat.com>
Subject: Re: [PATCH net 1/4] netfilter: remove nf_conntrack_helper sysctl and modparam toggles
Date: Thu, 1 Sep 2022 21:07:15 -0700 [thread overview]
Message-ID: <20220901210715.00c7b4e1@kernel.org> (raw)
In-Reply-To: <20220901071238.3044-2-fw@strlen.de>
On Thu, 1 Sep 2022 09:12:35 +0200 Florian Westphal wrote:
> From: Pablo Neira Ayuso <pablo@netfilter.org>
>
> __nf_ct_try_assign_helper() remains in place but it now requires a
> template to configure the helper.
>
> A toggle to disable automatic helper assignment was added by:
>
> a9006892643a ("netfilter: nf_ct_helper: allow to disable automatic helper assignment")
>
> in 2012 to address the issues described in "Secure use of iptables and
> connection tracking helpers". Automatic conntrack helper assignment was
> disabled by:
>
> 3bb398d925ec ("netfilter: nf_ct_helper: disable automatic helper assignment")
>
> back in 2016.
>
> This patch removes the sysctl and modparam toggles, users now have to
> rely on explicit conntrack helper configuration via ruleset.
>
> Update tools/testing/selftests/netfilter/nft_conntrack_helper.sh to
> check that auto-assignment does not happen anymore.
From the description itself it's unclear why this is a part of a net PR.
Could you elucidate?
next prev parent reply other threads:[~2022-09-02 4:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-01 7:12 [PATCH net 0/4] netfilter: bug fixes for net Florian Westphal
2022-09-01 7:12 ` [PATCH net 1/4] netfilter: remove nf_conntrack_helper sysctl and modparam toggles Florian Westphal
2022-09-02 4:07 ` Jakub Kicinski [this message]
2022-09-02 5:39 ` Florian Westphal
2022-09-03 2:43 ` Jakub Kicinski
2022-09-03 4:20 ` patchwork-bot+netdevbpf
2022-09-01 7:12 ` [PATCH net 2/4] netfilter: br_netfilter: Drop dst references before setting Florian Westphal
2022-09-01 7:12 ` [PATCH net 3/4] netfilter: nf_tables: clean up hook list when offload flags check fails Florian Westphal
2022-09-01 7:12 ` [PATCH net 4/4] netfilter: nf_conntrack_irc: Fix forged IP logic Florian Westphal
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