From owner-freebsd-security Tue Sep 18 11:31:11 2001 Delivered-To: freebsd-security@freebsd.org Received: from mail.webmonster.de (datasink.webmonster.de [194.162.162.209]) by hub.freebsd.org (Postfix) with SMTP id 3168537B40C for ; Tue, 18 Sep 2001 11:31:07 -0700 (PDT) Received: (qmail 33668 invoked by uid 1000); 18 Sep 2001 18:31:28 -0000 Date: Tue, 18 Sep 2001 20:31:28 +0200 From: "Karsten W. Rohrbach" To: Jim Arnold Cc: freebsd-security@freebsd.org Subject: Re: Nimda-A Worm/Virus threatens networks Message-ID: <20010918203128.B33432@mail.webmonster.de> Mail-Followup-To: "Karsten W. Rohrbach" , Jim Arnold , freebsd-security@freebsd.org References: <20010918195218.P27375@mail.webmonster.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="wzJLGUyc3ArbnUjN" Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from jim@ohio.com on Tue, Sep 18, 2001 at 02:21:50PM -0400 X-Arbitrary-Number-Of-The-Day: 42 X-URL: http://www.webmonster.de/ X-Disclaimer: My opinions do not necessarily represent those of my employer X-Work-URL: http://www.ngenn.net/ X-Work-Address: nGENn GmbH, Schloss Kransberg, D-61250 Usingen-Kransberg, Germany X-Work-Phone: +49-6081-682-304 Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org --wzJLGUyc3ArbnUjN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Jim Arnold(jim@ohio.com)@2001.09.18 14:21:50 +0000: > i am running an apache server on linux. how do i stop it from gobbling > all my bandwidth? i'm being hit by dozens of different servers. you might configure your 404 error handler to spit out a very small file (for example containing just one space character '%20'). mod_throttle or other bandwidth control tools will not help, since the worm hits each server it scan with a list of several uris and that's pretty it. if the worm catches a 404 http error it will cease scanning this particular system. bad, that it does not honor redirect requests ;-) /k --=20 > Those who make peaceful revolution impossible will make violent > revolution inevitable. KR433/KR11-RIPE -- WebMonster Community Founder -- nGENn GmbH Senior Techie http://www.webmonster.de/ -- ftp://ftp.webmonster.de/ -- http://www.ngenn.n= et/ karsten&rohrbach.de -- alpha&ngenn.net -- alpha&scene.org -- catch@spam.de GnuPG 0x2964BF46 2001-03-15 42F9 9FFF 50D4 2F38 DBEE DF22 3340 4F4E 2964 B= F46 Please do not remove my address from To: and Cc: fields in mailing lists. 1= 0x --wzJLGUyc3ArbnUjN Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE7p5MAM0BPTilkv0YRAiN8AJ0adH7OPCNvyXCY0DmyQpZCW4UfyACfddHF zOJ59o4DXzZJnBrdnLXHPlE= =8Yuy -----END PGP SIGNATURE----- --wzJLGUyc3ArbnUjN-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message