From: "James Nichols" <jamesnichols3@gmail.com>
To: "Eric Dumazet" <dada1@cosmosbay.com>
Cc: "Jan Engelhardt" <jengelh@computergmbh.de>,
linux-kernel@vger.kernel.org,
"Linux Netdev List" <netdev@vger.kernel.org>
Subject: Re: After many hours all outbound connections get stuck in SYN_SENT
Date: Thu, 20 Dec 2007 11:08:45 -0500 [thread overview]
Message-ID: <83a51e120712200808m7fa63e9jc588124a6da5f740@mail.gmail.com> (raw)
In-Reply-To: <47695CEF.4090908@cosmosbay.com>
> I still dont understand.
>
> "tcpdump -p -n -s 1600 -c 10000" doesnt reveal User data at all.
>
> Without any exact data from you, I am afraid nobody can help.
Oh, I didn't see that you specified specific options. I'll still have
to anonymize 2000+ IP addresses, but I think there is an open source
tool that will do this for you.
> >> 2) Are you sure you are not using connection tracking, and hit a limit on it ?
> >
> > I'm using ip_conntrack, but the limit I have for max entries is 65K.
> > The most I've seen in there are a couple thousand- that was one of the
> > first things I monitored very closely.
>
> Now please try without conn tracking module. I saw many failures in the past
> that were trigered by conntrack.
>
> Do you have some firewall rules, using some netfilter modules like hashlimit ?
I will have to look into this.
next prev parent reply other threads:[~2007-12-20 16:09 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-14 20:39 James Nichols
2007-12-17 23:14 ` Jan Engelhardt
2007-12-18 15:34 ` James Nichols
2007-12-18 16:05 ` Jan Engelhardt
2007-12-18 16:45 ` James Nichols
2007-12-18 17:19 ` Jan Engelhardt
2007-12-18 18:09 ` James Nichols
2007-12-18 18:14 ` Jan Engelhardt
2007-12-18 18:21 ` James Nichols
2007-12-18 18:30 ` Jan Engelhardt
2007-12-18 18:32 ` Eric Dumazet
2007-12-18 19:44 ` James Nichols
2007-12-18 20:37 ` Eric Dumazet
2007-12-18 21:20 ` Jan Engelhardt
2007-12-19 16:53 ` James Nichols
2007-12-19 17:07 ` Eric Dumazet
2007-12-19 17:43 ` James Nichols
2007-12-19 17:58 ` Jan Engelhardt
2007-12-19 18:12 ` James Nichols
2007-12-20 14:41 ` Glen Turner
2007-12-20 16:37 ` James Nichols
2007-12-20 21:05 ` Ilpo Järvinen
2007-12-21 6:06 ` Jan Engelhardt
2007-12-21 4:51 ` Glen Turner
2007-12-21 13:57 ` James Nichols
2007-12-19 18:03 ` Eric Dumazet
2007-12-19 21:27 ` Ilpo Järvinen
2007-12-20 16:08 ` James Nichols [this message]
2007-12-20 20:44 ` Ilpo Järvinen
2007-12-20 20:49 ` Justin Banks
2007-12-18 19:45 ` James Nichols
2007-12-18 20:28 ` Chuck Ebbert
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