From owner-freebsd-questions@FreeBSD.ORG Tue Dec 16 20:28:13 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 98DB416A4CE for ; Tue, 16 Dec 2003 20:28:13 -0800 (PST) Received: from obsecurity.dyndns.org (adsl-63-207-60-234.dsl.lsan03.pacbell.net [63.207.60.234]) by mx1.FreeBSD.org (Postfix) with ESMTP id AAABC43D4C for ; Tue, 16 Dec 2003 20:28:11 -0800 (PST) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 0FAEB66C4F; Tue, 16 Dec 2003 20:28:11 -0800 (PST) Date: Tue, 16 Dec 2003 20:28:10 -0800 From: Kris Kennaway To: Robert Eckardt Message-ID: <20031217042810.GA31507@xor.obsecurity.org> References: <20031216191701.M14568@Robert-Eckardt.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="XsQoSWH+UP9D9v3l" Content-Disposition: inline In-Reply-To: <20031216191701.M14568@Robert-Eckardt.de> User-Agent: Mutt/1.4.1i cc: questions@freebsd.org Subject: Re: DOS of named X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Dec 2003 04:28:13 -0000 --XsQoSWH+UP9D9v3l Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Dec 16, 2003 at 10:01:33PM +0100, Robert Eckardt wrote: > Hi, >=20 > what measures can I take against this irregular appearing Denial-Of-Servi= ce > attacks of named which is filling my logfiles (messages, daemon, all.log) > with messages like "sysquery: no addrs found for root NS" for minutes at > a rate of 4000 lines/sec? >=20 > I'm using named 8.3.3-REL on FBSD-5.0R. Both are very old and have a number of known problems. Upgrade to the latest versions. Kris --XsQoSWH+UP9D9v3l Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQE/39taWry0BWjoQKURAisIAJ9qcWZ4OUx8XDpY+KbCmYH/7woSegCgtF+R V3+z3EeB0LpntvTowTyZl1A= =l+Xz -----END PGP SIGNATURE----- --XsQoSWH+UP9D9v3l--