Re: iptables: considers incomplete rule in -C and finds an erroneous match

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On Mon, 5 Feb 2024 04:45:19 +0500
Roman Mamedov <rm@xxxxxxxxxxx> wrote:

>   # ip6tables-save | grep 80,443
>   -A INPUT -s fd39::/16 -p tcp -m multiport --dports 80,443 -j ACCEPT

Actually the 2nd rule doesn't matter at all, it just returns success (rule
exists) on anything.

  # ip6tables -C INPUT -p udp --dport 12345 -j ACCEPT && echo Exists

  # ip6tables-save | grep 12345

With respect,

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