From owner-freebsd-questions@FreeBSD.ORG Fri Oct 8 05:05:40 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 8603616A4CE for ; Fri, 8 Oct 2004 05:05:40 +0000 (GMT) Received: from mail.cableone.net (scanmail1.cableone.net [24.116.0.121]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4A25243D1F for ; Fri, 8 Oct 2004 05:05:40 +0000 (GMT) (envelope-from v.velox@vvelox.net) Received: from vixen42.24-119-122-191.cpe.cableone.net (unverified [24.119.122.25]) by smail1.cableone.net (SurgeMail 1.9b) with ESMTP id 21015218 for multiple; Thu, 07 Oct 2004 22:05:30 -0700 Date: Fri, 8 Oct 2004 00:04:52 -0500 From: Vulpes Velox To: Dave McCammon Message-ID: <20041008000452.1833b2b4@vixen42.24-119-122-191.cpe.cableone.net> In-Reply-To: <20041008024622.75972.qmail@web41410.mail.yahoo.com> References: <20041007192349.36120317@vixen42.24-119-122-191.cpe.cableone.net> <20041008024622.75972.qmail@web41410.mail.yahoo.com> X-Mailer: Sylpheed-Claws 0.9.12b (GTK+ 1.2.10; i386-portbld-freebsd4.10) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Server: High Performance Mail Server - http://surgemail.com cc: freebsd-questions@freebsd.org cc: LukeD@pobox.com Subject: Re: Protecting SSH from brute force attacks 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: Fri, 08 Oct 2004 05:05:40 -0000 On Thu, 7 Oct 2004 19:46:22 -0700 (PDT) Dave McCammon wrote: > Following the advice from here: > http://isc.sans.org//diary.php?date=2004-09-11. > > What I did was to only allow access to one machine > through my firewall for the ssh connections (ipfw > limit). 2 per source address. > And, for that one machine, I changed the sshd port to > a different number. > I was getting the same brute force attacks but they > have dropped to nil since. Yeah, I don't think I have ever seen one on mine ever since I moved it behind nat and forwarded it from a odd port.