From: John <futurasci@gmail.com>
To: netfilter@lists.netfilter.org
Subject: Re: Strange ip_conntrack values
Date: Sun, 18 Jul 2004 13:28:32 +0200 [thread overview]
Message-ID: <ef83df6b0407180428f43532d@mail.gmail.com> (raw)
In-Reply-To: <200407181146.30331.Antony@Soft-Solutions.co.uk>
> I agree this is strange, because the default TIME_WAIT timeout value is 2
> minutes (you haven't increased this, have you?), therefore this would suggest
> that nearly 24000 connections through your firewall were completed during the
> past two minutes... This seems unlikely, especially in light of the number
> (883) you have in progress right now.
yes it's still à 2 min
> If you "grep TIME_WAIT /proc/net/ip_conntrack | more", do you see nearly all
> entries with the same source and/or destination address? If so, investigate
> that machine.....
unfortunately not ...
> If not, I suggest a network sniffer (eg: ethereal) or some netfilter LOGging
> rules to see if you can identify what all this traffic is.
how can I do that ? could u help me achieving this ? I've installed
tcpdump and logged all connections between 4AM and 6AM but it's not
easy to find something ...
could it come from the firewall ?
thanks for your help
next prev parent reply other threads:[~2004-07-18 11:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-18 10:31 Strange ip_conntrack values John
2004-07-18 10:46 ` Antony Stone
2004-07-18 11:28 ` John [this message]
2004-07-18 12:13 ` Antony Stone
2004-07-18 13:16 ` John
2004-07-18 13:56 ` John
2004-07-18 15:17 ` Antony Stone
2004-07-18 16:19 ` John
2004-07-18 16:31 ` Antony Stone
2004-07-18 16:40 ` John
2004-07-18 17:31 ` Stephen Smoogen
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