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Re: MBF: Removal of iptables-legacy

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Le 23/11/2025 à 16:12, Colin Watson a écrit :
> [fixed typo in debian-kernel@ address]
> 
> On Sun, Nov 23, 2025 at 10:57:39AM +0100, Bastian Blank wrote:
>> The Debian Kernel team decided to deprecate and remove support for the
>> legacy interfaces used by iptables, arptables and ebtables from the
>> kernel.  The replacement nftables compatibility layer was introduced
>> around 2016.  It is finally time to try and get rid of the legacy
>> interfaces, which are now disabled by default in the kernel.
>>
>> Our plan is to drop usage in all packages and the binaries for forky.
>> We will then go and remove the kernel support itself after the release
>> of forky.  So in forky, using legacy iptables will still work, but
>> Debian will not provide any support and consider it deprecated.

I'm not sure to correctly understand.
Is it only the kernel interface that will be removed (and the 'iptables-legacy' package) ?
Or would the binary 'iptables', ... from the 'nftables' package also be removed ? (compat layer on top of nftables)

I'm using the shorewall{,6} firewall for now. I've never found another firewall packaged by Debian being able to handle multi-ISP (I would be please to be wrong).
If I recall correctly, shorewall relies on iptables (but works with nftables compat layer) and upstream does not want to work on a switch to a pure nftable implementation (too much work)[1]

Regards,
   Vincent

[1] https://gitlab.com/shorewall/code/-/issues/2

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Thread

MBF: Removal of iptables-legacy Bastian Blank <waldi@debian.org> - 2025-11-23 11:20 +0100
  Re: MBF: Removal of iptables-legacy Colin Watson <cjwatson@debian.org> - 2025-11-23 16:20 +0100
    Re: MBF: Removal of iptables-legacy Vincent Danjean <vdanjean.ml@free.fr> - 2025-11-23 17:00 +0100
      Re: MBF: Removal of iptables-legacy Lucas Castro <lucas@gnuabordo.com.br> - 2025-11-24 17:20 +0100
        Re: MBF: Removal of iptables-legacy Marc Haber <mh+debian-devel@zugschlus.de> - 2025-11-24 17:50 +0100
          Re: MBF: Removal of iptables-legacy Lucas Castro <lucas@gnuabordo.com.br> - 2025-11-24 18:00 +0100
    nft gripe (was: MBF: Removal of iptables-legacy) Marc Haber <mh+debian-devel@zugschlus.de> - 2025-11-23 17:30 +0100
    Re: MBF: Removal of iptables-legacy Bastian Blank <waldi@debian.org> - 2025-11-23 17:50 +0100
      Re: MBF: Removal of iptables-legacy Colin Watson <cjwatson@debian.org> - 2025-11-24 15:20 +0100
  Re: MBF: Removal of iptables-legacy Tianon Gravi <tianon@debian.org> - 2025-11-25 02:10 +0100
  Re: MBF: Removal of iptables-legacy Andrea Bolognani <eof@kiyuko.org> - 2026-01-07 02:50 +0100
    Re: MBF: Removal of iptables-legacy Jeremy Sowden <azazel@debian.org> - 2026-01-07 09:20 +0100

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