From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Alex Flex <aflexzor@gmail.com>
Cc: netfilter@vger.kernel.org
Subject: Re: synflood +syncookies + conntrack strange behaviour
Date: Sat, 11 May 2013 04:21:14 +0200 [thread overview]
Message-ID: <20130511022114.GA7793@localhost> (raw)
In-Reply-To: <518D8BBB.5050406@gmail.com>
On Fri, May 10, 2013 at 06:07:23PM -0600, Alex Flex wrote:
> Hello netfilter,
>
> Iam still wondering if the lack of error for the conntrack table
> full may be a bug in the module? Any help is much appreciated.
The early_drop code is evicting one of the entries from the table to
make room for some new flow:
http://lxr.linux.no/#linux+v3.9.1/net/netfilter/nf_conntrack_core.c#L606
Packets are dropped if the table is full *and* if no unassured flows
to evict are found.
Regards.
next prev parent reply other threads:[~2013-05-11 2:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-10 1:04 synflood +syncookies + conntrack strange behaviour Alex Flex
2013-05-11 0:07 ` Alex Flex
2013-05-11 2:21 ` Pablo Neira Ayuso [this message]
2013-05-11 18:05 ` Alex Flex
2013-05-11 18:26 ` Pascal Hambourg
2013-05-11 18:47 ` Alex Flex
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