From owner-freebsd-questions@FreeBSD.ORG Mon Jan 18 22:39:34 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F0CA6106568B for ; Mon, 18 Jan 2010 22:39:34 +0000 (UTC) (envelope-from david@vizion2000.net) Received: from dns1.vizion2000.net (dns1.vizion2000.net [62.49.197.50]) by mx1.freebsd.org (Postfix) with ESMTP id B4AEF8FC18 for ; Mon, 18 Jan 2010 22:39:34 +0000 (UTC) Received: by dns1.vizion2000.net (Postfix, from userid 1001) id 5C85434D46B; Mon, 18 Jan 2010 22:39:20 +0000 (GMT) From: David Southwell Organization: Voice & Vision To: freebsd-questions@freebsd.org Date: Mon, 18 Jan 2010 22:39:20 +0000 User-Agent: KMail/1.12.4 (FreeBSD/7.2-RELEASE-p3; KDE/4.3.4; amd64; ; ) MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201001182239.20153.david@vizion2000.net> Subject: /etc/hosts.deniedssh X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Jan 2010 22:39:35 -0000 Examples from hosts.deniedssh I seem to be on the receiving end of a concerted series of unsuccessful break in attacks on one of our systems. One small part of the attack has resulted in over 2000 entries in our hosts.deniedssh file in less than 1 hour. I would be interested in any comments on the small example shown below and any advice. Thanks in advance David r200-40-132-245.static.adinet.com.uy mail.munisanmiguel.gob.pe port-83-236-241-198.static.qsc.de pd95b50ce.dip0.t-ipconnect.de v32641.1blu.de dubovik.net r200-40-132-245.static.adinet.com.uy mail.munisanmiguel.gob.pe port-83-236-241-198.static.qsc.de pd95b50ce.dip0.t-ipconnect.de v32641.1blu.de dubovik.net r200-40-132-245.static.adinet.com.uy mail.munisanmiguel.gob.pe port-83-236-241-198.static.qsc.de pd95b50ce.dip0.t-ipconnect.de v32641.1blu.de dubovik.net r200-40-132-245.static.adinet.com.uy mail.munisanmiguel.gob.pe port-83-236-241-198.static.qsc.de pd95b50ce.dip0.t-ipconnect.de v32641.1blu.de dubovik.net r200-40-132-245.static.adinet.com.uy mail.munisanmiguel.gob.pe port-83-236-241-198.static.qsc.de pd95b50ce.dip0.t-ipconnect.de v32641.1blu.de dubovik.net r200-40-132-245.static.adinet.com.uy mail.munisanmiguel.gob.pe port-83-236-241-198.static.qsc.de pd95b50ce.dip0.t-ipconnect.de v32641.1blu.de dubovik.net r200-40-132-245.static.adinet.com.uy mail.munisanmiguel.gob.pe port-83-236-241-198.static.qsc.de pd95b50ce.dip0.t-ipconnect.de v32641.1blu.de dubovik.net r200-40-132-245.static.adinet.com.uy