From owner-freebsd-questions@FreeBSD.ORG Thu Dec 2 14:52:51 2004 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 1310416A4CE for ; Thu, 2 Dec 2004 14:52:51 +0000 (GMT) Received: from freedombi.com (gllug.org [207.179.98.220]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7F94943D39 for ; Thu, 2 Dec 2004 14:52:50 +0000 (GMT) (envelope-from charles@idealso.com) Received: by freedombi.com (Postfix, from userid 1000) id 0454B727F7; Thu, 2 Dec 2004 09:32:53 -0500 (EST) Received: from freedombi.com (localhost [192.168.10.108]) by freedombi.com (Postfix) with ESMTP id 6BBEC724BC; Thu, 2 Dec 2004 09:32:51 -0500 (EST) Received: from 24.11.146.21 (SquirrelMail authenticated user charles); by freedombi.com with HTTP; Thu, 2 Dec 2004 09:32:51 -0500 (EST) Message-ID: <48465.24.11.146.21.1101997971.squirrel@24.11.146.21> In-Reply-To: <200412011204.10599.josh@tcbug.org> References: <43711.24.11.146.21.1101922894.squirrel@24.11.146.21> <200412011204.10599.josh@tcbug.org> Date: Thu, 2 Dec 2004 09:32:51 -0500 (EST) From: "Charles Ulrich" To: "Josh Paetzel" User-Agent: SquirrelMail/1.4.3a X-Mailer: SquirrelMail/1.4.3a MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on freedombi.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=7.0 tests=none autolearn=no version=2.63 cc: questions@freebsd.org Subject: Re: blacklisting failed ssh attempts 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: Thu, 02 Dec 2004 14:52:51 -0000 Josh Paetzel said: > This may or may not help you, but I generally firewall ssh so that > only known addresses can get in. (whitelisting as opposed to > blacklisting) Thanks for the tip. We actually do this on some of our servers, but this is a web server that we need to get to quickly should it stop working. It's looking like I might just put ssh on a non-standard port and think about an IDS if there these kind of attacks continue. -- Charles Ulrich Ideal Solution, LLC - http://www.idealso.com