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From: Roman Mamedov <rm@romanrm.net>
To: netfilter-devel@vger.kernel.org
Subject: Re: iptables: considers incomplete rule in -C and finds an erroneous match
Date: Mon, 5 Feb 2024 04:59:22 +0500	[thread overview]
Message-ID: <20240205045922.78b48ebc@nvm> (raw)
In-Reply-To: <20240205044519.45334f8e@nvm>

On Mon, 5 Feb 2024 04:45:19 +0500
Roman Mamedov <rm@romanrm.net> 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
  Exists

  # ip6tables-save | grep 12345
  #

-- 
With respect,
Roman

  reply	other threads:[~2024-02-05  0:04 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-04 23:45 iptables: considers incomplete rule in -C and finds an erroneous match Roman Mamedov
2024-02-04 23:59 ` Roman Mamedov [this message]
2024-02-06 15:07 ` Phil Sutter

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