netdev - Re: [PATCH] doc: document danger of applying REJECT to INVALID CTs

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Message-ID: <CANP3RGcae5giBntjaXwU+EpuvayW+_S6mmHJ2H-xqtf1caVktA@mail.gmail.com>
Date:   Sat, 9 May 2020 14:31:16 -0700
From:   Maciej Żenczykowski <zenczykowski@...il.com>
To:     Jan Engelhardt <jengelh@...i.de>
Cc:     Pablo Neira Ayuso <pablo@...filter.org>,
        Florian Westphal <fw@...len.de>,
        Linux NetDev <netdev@...r.kernel.org>,
        Netfilter Development Mailing List 
        <netfilter-devel@...r.kernel.org>
Subject: Re: [PATCH] doc: document danger of applying REJECT to INVALID CTs

Also maybe the example should be:

instead of just:
-A INPUT ... -j REJECT
do:
-A INPUT ... -m conntrack --ctstate INVALID -j DROP
-A INPUT ... -j REJECT