From: Michael Atighetchi <matighet@bbn.com>
To: rwc@lanl.gov
Cc: netfilter@lists.samba.org
Subject: Re: Modification to iptables (block IP addresses)
Date: Mon, 28 Oct 2002 15:11:38 -0500 [thread overview]
Message-ID: <20021028201138.GJ26387@bbn.com> (raw)
In-Reply-To: <3DBD94CF.C0F8E7E2@lanl.gov>
We have implemented and Red Team tested such a defense against TCP
connection floods. The software is available open-source at
http://apod.bbn.com/release/latest
and documented at
http://apod.bbn.com/release/latest/docs/quo/apod/docs/manual/pdf/ApodToolkit.pdf
in section 3.9
Michael
On Mon, Oct 28, 2002 at 12:49:35PM -0700, rwc@lanl.gov wrote:
> Is anyone working on the following modification to iptables?
>
> Dynamically watch for connections coming from any source IP addresses
> that exceeds a
> predefined number of connections per unit time. When seen, block all
> subsequent connections from that source for a predefined period of time
> or
> indefinitely. Currently, one can do this for specific predefined source
> IP
> addresses, but it would be good to have the ability to do this without
> having prior knowledge of the offending IP source.
>
>
>
>
--
matighet@bbn.com BBN Technologies
next prev parent reply other threads:[~2002-10-28 20:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-28 19:49 Modification to iptables (block IP addresses) rwc
2002-10-28 20:11 ` Michael Atighetchi [this message]
[not found] <Pine.LNX.4.21.1010221832550.715-100000@hybel173.grm.hia.no>
2002-10-28 16:31 ` rwc
2002-10-28 18:13 ` Antony Stone
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