Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261152AbTIKOTt (ORCPT ); Thu, 11 Sep 2003 10:19:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261154AbTIKOTt (ORCPT ); Thu, 11 Sep 2003 10:19:49 -0400 Received: from h80ad26f8.async.vt.edu ([128.173.38.248]:29834 "EHLO turing-police.cc.vt.edu") by vger.kernel.org with ESMTP id S261152AbTIKOTs (ORCPT ); Thu, 11 Sep 2003 10:19:48 -0400 Message-Id: <200309111419.h8BEJbSo010948@turing-police.cc.vt.edu> X-Mailer: exmh version 2.6.3 04/04/2003 with nmh-1.0.4+dev To: Breno Silva Cc: Stan Bubrouski , linux-kernel@vger.kernel.org Subject: Re: Size of Tasks during ddos In-Reply-To: Your message of "Thu, 11 Sep 2003 09:33:41 -0300." <009201c37860$f0d3c5f0$131215ac@poslab219> From: Valdis.Kletnieks@vt.edu References: <001b01c39047$d65cf580$f8e4a7c8@bsb.virtua.com.br> <20030911002755.GA13177@triplehelix.org> <3F5FD993.2060900@ccs.neu.edu> <009201c37860$f0d3c5f0$131215ac@poslab219> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_-28858842P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Thu, 11 Sep 2003 10:19:37 -0400 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1251 Lines: 41 --==_Exmh_-28858842P Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable On Thu, 11 Sep 2003 09:33:41 -0300, Breno Silva said: > My servers are in ddos attack , what i=B4d like to know is about size o= f tasks > in memory during this kind of attack. I have some ideas to do in my ker= nel. 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 sea= rch, and so on. We'd really need to know what the traffic involved in the DDoS is in orde= r to be able to comment on memory usage. --==_Exmh_-28858842P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQE/YIR4cC3lWbTT17ARAtZCAJ9Quy7uCPnCg2T/z00qSiCt94F5sgCfZ6GN M8E0O+Y33wFQ94x+xuJQg9s= =cckN -----END PGP SIGNATURE----- --==_Exmh_-28858842P-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/