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In nft-variants, options -4 and -6 sometimes have a different effect than in legacy ones. Fix this by backporting the following commits:
commit 1639b8ba5105542c73e0e1c35e70f245dab89d81
Author: Phil Sutter <phil>
Date: Fri Feb 21 13:18:32 2020 +0100
xtables: Align effect of -4/-6 options with legacy
Legacy iptables doesn't accept -4 or -6 if they don't match the
symlink's native family. The only exception to that is iptables-restore
which simply ignores the lines introduced by non-matching options, which
is useful to create combined dump files for feeding into both
iptables-restore and ip6tables-restore.
Signed-off-by: Phil Sutter <phil>
commit 0f40a8bc49d3f7b815336199931a82f919f37c4e
Author: Phil Sutter <phil>
Date: Fri Feb 21 13:29:05 2020 +0100
xtables: Drop -4 and -6 support from xtables-{save,restore}
Legacy tools don't support those options, either.
Signed-off-by: Phil Sutter <phil>
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (iptables bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2020:4518
In nft-variants, options -4 and -6 sometimes have a different effect than in legacy ones. Fix this by backporting the following commits: commit 1639b8ba5105542c73e0e1c35e70f245dab89d81 Author: Phil Sutter <phil> Date: Fri Feb 21 13:18:32 2020 +0100 xtables: Align effect of -4/-6 options with legacy Legacy iptables doesn't accept -4 or -6 if they don't match the symlink's native family. The only exception to that is iptables-restore which simply ignores the lines introduced by non-matching options, which is useful to create combined dump files for feeding into both iptables-restore and ip6tables-restore. Signed-off-by: Phil Sutter <phil> commit 0f40a8bc49d3f7b815336199931a82f919f37c4e Author: Phil Sutter <phil> Date: Fri Feb 21 13:29:05 2020 +0100 xtables: Drop -4 and -6 support from xtables-{save,restore} Legacy tools don't support those options, either. Signed-off-by: Phil Sutter <phil>