From: Athan <netfilter@miggy.org>
To: netfilter@lists.netfilter.org
Subject: Re: HELP: Conntrack table filling up !!!
Date: Thu, 2 Jan 2003 20:35:53 +0000 [thread overview]
Message-ID: <20030102203552.GC10404@miggy.org> (raw)
In-Reply-To: <007b01c2b295$d8422540$0100a8c0@zultys.com>
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On Thu, Jan 02, 2003 at 11:33:36AM -0800, Ranjeet Shetye wrote:
> Actually, the ICMP problem that I have seen does not go away with a
> larger ip_conntrack_max. The extra table space just gets filled up.
> Agreed, that the ICMP packets I used to flood the iptables conntrack
> mechanism did not strictly comply with ICMP RFC standards, but then
> which cracker cares about standards ? :( That's why I asked, are you
> seeing malformed ICMP packets ?
Fair enough. Check out if the unclean match module catches these bad
ICMP packets then:
iptables -A INPUT -i ${PUBINT} --match unclean -j LOG --log-level info --log-prefix "fwr-unclean "
-Ath
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prev parent reply other threads:[~2003-01-02 20:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-23 19:00 HELP: Conntrack table filling up !!! Mircea Ciocan
2002-12-31 20:54 ` Ranjeet Shetye
2002-12-31 23:50 ` Athan
2003-01-02 19:33 ` Ranjeet Shetye
2003-01-02 20:35 ` Athan [this message]
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