From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Jens Koehler <jenskxxx@googlemail.com>
Cc: netfilter@vger.kernel.org
Subject: Re: Linux - nf_conntrack_count = 30684?
Date: Fri, 9 Sep 2016 15:29:45 +0200 [thread overview]
Message-ID: <20160909132945.GA23757@salvia> (raw)
In-Reply-To: <CAL7_A_XQXMFP598iP1nhUqvvmzE7GC5GUXcOoQ_2Y9YvRx8TOw@mail.gmail.com>
On Fri, Sep 09, 2016 at 10:29:33AM +0200, Jens Koehler wrote:
> A Linux application reads cyclically data from up to 32 severs by
> Tcp. After disconnecting of many/ all servers another Linux
> application could not send data via the network interface by UDP.
> nf_conntrack_count shows an unexpected high value:
>
> net.netfilter.nf_conntrack_count = 30684
>
> What means the number exactly?
This is the number of conntrack entries in the table.
> And what could be reason for so many open connections if no server
> is connected?
Do `conntrack -L' or `cat /proc/net/nf_conntrack' show entries?
next prev parent reply other threads:[~2016-09-09 13:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-09 8:29 Linux - nf_conntrack_count = 30684? Jens Koehler
2016-09-09 13:29 ` Pablo Neira Ayuso [this message]
2016-09-14 12:54 ` Jens Koehler
2016-09-14 13:29 ` André Paulsberg-Csibi (IBM Consultant)
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