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linux-stable-mirror/include/linux
Florian Westphal ec1806a730 netfilter: x_tables: disable 32bit compat interface in user namespaces
This feature is required to use 32bit arp/ip/ip6/ebtables binaries on
64bit kernels.  I don't think there are many users left.

Support has been a compile-time option since 2021 and defaults to off
since 2023.

The XTABLES_COMPAT config option is already off in many distributions
including Debian and Fedora.

Give a few more months before complete removal but disable support in
user namespaces already.

Assisted-by: Claude:claude-sonnet-4-6
Signed-off-by: Florian Westphal <fw@strlen.de>
2026-05-24 22:55:37 +02:00
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