From: Mike Fedyk <mfedyk@matchmail.com>
To: Valdis.Kletnieks@vt.edu
Cc: Breno Silva <brenosp@brasilsec.com.br>,
Stan Bubrouski <stan@ccs.neu.edu>,
linux-kernel@vger.kernel.org
Subject: Re: Size of Tasks during ddos
Date: Thu, 11 Sep 2003 10:28:50 -0700 [thread overview]
Message-ID: <20030911172850.GC18399@matchmail.com> (raw)
In-Reply-To: <200309111419.h8BEJbSo010948@turing-police.cc.vt.edu>
On Thu, Sep 11, 2003 at 10:19:37AM -0400, Valdis.Kletnieks@vt.edu wrote:
> The answer will differ depending whether (for example) you're being ICMP
> flooded, SYN-flooded, hit with a mass of HTTP 'GET /' commands, hit with a mass
> of HTTP commands that invoke a resource-intensive CGI like a database search,
> and so on.
>
> We'd really need to know what the traffic involved in the DDoS is in order to
> be able to comment on memory usage.
True, but it's not a ddos unless they do everything they can to disable the
target system. Sure they could just flood your net pipe, but why do that
when you could have fewer senders and completely kill the box for a long
time while it tries to process all of your requests (assuming you're running
services accessable from the net).
next prev parent reply other threads:[~2003-09-11 17:33 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-11 22:34 Size of Tasks during ddos Breno
2003-09-11 0:27 ` [OT] " Joshua Kwan
2003-09-11 2:10 ` Stan Bubrouski
2003-09-11 12:33 ` Breno Silva
2003-09-11 14:19 ` Valdis.Kletnieks
2003-09-11 17:27 ` Breno
2003-09-11 18:41 ` Alan Cox
2003-09-11 21:23 ` Mike Fedyk
2003-09-11 21:26 ` Alan Cox
2003-09-11 21:30 ` Mike Fedyk
2003-09-11 21:40 ` Alan Cox
2003-09-11 22:15 ` Arjan van de Ven
[not found] ` <002801c3789e$7a665ac0$9f0210ac@forumci.com.br>
[not found] ` <1063312815.3886.0.camel@dhcp23.swansea.linux.org.uk>
2003-10-11 22:09 ` Breno
2003-09-11 22:14 ` Alan Cox
2003-09-12 15:36 ` insecure
2003-09-12 17:56 ` Mail header times was: " Mike Fedyk
2003-09-11 17:28 ` Mike Fedyk [this message]
2003-09-23 21:08 ` [OT] " bill davidsen
[not found] <um6w.4VI.5@gated-at.bofh.it>
[not found] ` <unFh.7rt.7@gated-at.bofh.it>
[not found] ` <upe3.1uM.3@gated-at.bofh.it>
[not found] ` <uyU4.7Sz.9@gated-at.bofh.it>
[not found] ` <uACA.2fO.3@gated-at.bofh.it>
[not found] ` <uDTR.7A2.35@gated-at.bofh.it>
[not found] ` <uEGe.uJ.21@gated-at.bofh.it>
[not found] ` <uHb2.76X.15@gated-at.bofh.it>
[not found] ` <uHb6.76X.29@gated-at.bofh.it>
[not found] ` <uHkC.7kf.7@gated-at.bofh.it>
[not found] ` <uHuj.7yv.9@gated-at.bofh.it>
2003-09-11 23:08 ` Andi Kleen
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