From mboxrd@z Thu Jan  1 00:00:00 1970
From: Florian Westphal <fw@strlen.de>
Subject: Re: CONFIG_NF_CONNTRACK_PROCFS
Date: Sun, 25 Jan 2015 12:22:09 +0100
Message-ID: <20150125112209.GD13167@breakpoint.cc>
References: <20150125055117.GA5586@localhost>
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Cc: netdev@vger.kernel.org
To: Oleg <lego12239@yandex.ru>
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Oleg <lego12239@yandex.ru> wrote:
> net/netfilter/nf_conntrack procfs file is marked as obsolete in the recent
> kernels. What's wrong with it? Or it's simply a new fashion to replace
> simple file interface with anything else?

proc has several drawbacks vs. ctnetlink:
 - not extensible
 - doesn't have ability to query for particular items
 - no add/delete support
 - no event notification (e.g. conntrack -E)