From: Tonnerre <tonnerre@thundrix.ch>
To: Willy Tarreau <willy@w.ods.org>
Cc: Paul Jakma <paul@clubi.ie>,
Toon van der Pas <toon@hout.vanvergehaald.nl>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Wolfpaw - Dale Corse <admin@wolfpaw.net>,
kaukasoi@elektroni.ee.tut.fi,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.4.27 SECURITY BUG - TCP Local and REMOTE(verified) Denial of Service Attack
Date: Mon, 13 Sep 2004 21:07:41 +0200 [thread overview]
Message-ID: <20040913190741.GD19399@thundrix.ch> (raw)
In-Reply-To: <20040913041846.GD2780@alpha.home.local>
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Salut,
On Mon, Sep 13, 2004 at 06:18:47AM +0200, Willy Tarreau wrote:
> > The BGP state machine should instead, in normal operation, have
> > only treated Hold time expired as the definitive sign of "peer is
> > down" and allowed reconnects.
>
> It should not necessarily wait for the time-out, but at least wait for
> a few reconnect errors.
Problem there: you can fake connection errors almost as easily as
sending an RST packet, so the DoS might reappear, might it not?
Tonnerre
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next prev parent reply other threads:[~2004-09-13 19:10 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <02a401c498e9$9167aff0$0300a8c0@s>
2004-09-12 17:29 ` Linux 2.4.27 SECURITY BUG - TCP Local and REMOTE(verified) Denial of Service Attack Wolfpaw - Dale Corse
2004-09-12 17:04 ` Alan Cox
2004-09-12 19:23 ` Toon van der Pas
2004-09-13 3:18 ` Paul Jakma
2004-09-13 3:30 ` Paul Jakma
2004-09-13 4:18 ` Willy Tarreau
2004-09-13 4:25 ` Paul Jakma
2004-09-13 19:07 ` Tonnerre [this message]
2004-09-13 19:18 ` Willy Tarreau
2004-09-13 19:25 ` Paul Jakma
2004-09-13 20:11 ` Ville Hallivuori
2004-09-14 14:55 ` Paul Jakma
2004-09-14 15:10 ` Alan Cox
2004-09-14 16:26 ` Paul Jakma
2004-09-14 16:09 ` Alan Cox
2004-09-14 17:17 ` Paul Jakma
2004-09-20 22:02 ` Florian Weimer
2004-09-21 2:14 ` Herbert Xu
2004-09-21 18:32 ` Florian Weimer
2004-09-21 19:56 ` David S. Miller
2004-09-21 20:04 ` Florian Weimer
2004-09-21 20:25 ` David S. Miller
2004-09-21 20:51 ` Florian Weimer
2004-09-14 19:41 ` Willy Tarreau
2004-09-14 18:56 ` Alan Cox
2004-09-20 22:03 ` Florian Weimer
2004-09-20 23:12 ` Alan Cox
[not found] <02bf01c498ff$b6512470$0300a8c0@s>
2004-09-12 19:42 ` Wolfpaw - Dale Corse
2004-09-12 19:53 ` Willy Tarreau
[not found] <02b001c498f6$7942bc50$0300a8c0@s>
2004-09-12 18:52 ` Linux 2.4.27 SECURITY BUG - TCP Local and REMOTE(verified)Denial " Wolfpaw - Dale Corse
2004-09-12 18:06 ` Alan Cox
[not found] <02b201c498f6$8bb92540$0300a8c0@s>
2004-09-12 18:40 ` Wolfpaw - Dale Corse
2004-09-12 18:01 ` Alan Cox
2004-09-12 19:48 ` Willy Tarreau
2004-09-13 6:59 ` Jurjen Oskam
[not found] <029201c498d8$dff156f0$0300a8c0@s>
2004-09-12 15:45 ` Linux 2.4.27 SECURITY BUG - TCP Local and REMOTE(verified) Denial " Wolfpaw - Dale Corse
2004-09-12 16:47 ` Petri Kaukasoina
2004-09-12 17:59 ` Willy Tarreau
2004-09-12 17:17 ` Alan Cox
2004-09-12 18:18 ` Willy Tarreau
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