From owner-freebsd-questions@FreeBSD.ORG Tue May 6 17:39:16 2008 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 20680106564A for ; Tue, 6 May 2008 17:39:16 +0000 (UTC) (envelope-from dkelly@Grumpy.DynDNS.org) Received: from smtp.knology.net (smtp.knology.net [24.214.63.101]) by mx1.freebsd.org (Postfix) with ESMTP id A5CE38FC15 for ; Tue, 6 May 2008 17:39:15 +0000 (UTC) (envelope-from dkelly@Grumpy.DynDNS.org) Received: (qmail 2753 invoked by uid 0); 6 May 2008 17:39:14 -0000 Received: from unknown (HELO Grumpy.DynDNS.org) (216.186.148.249) by smtp7.knology.net with SMTP; 6 May 2008 17:39:14 -0000 Received: by Grumpy.DynDNS.org (Postfix, from userid 928) id E5FD528429; Tue, 6 May 2008 12:39:12 -0500 (CDT) Date: Tue, 6 May 2008 12:39:12 -0500 From: David Kelly To: Beech Rintoul Message-ID: <20080506173912.GB85015@Grumpy.DynDNS.org> References: <200805060931.18936.beech@freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200805060931.18936.beech@freebsd.org> User-Agent: Mutt/1.4.2.3i Cc: Gilles , freebsd-questions@freebsd.org Subject: Re: [SSHd] Increasing wait time? 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: Tue, 06 May 2008 17:39:16 -0000 On Tue, May 06, 2008 at 09:31:15AM -0800, Beech Rintoul wrote: > > > > Is there a way to configure SSHd, so that the wait time between > > login attempts increases after X failed tries? > > Not that I know of. You should look into denyhosts (in the ports) it > works well and even has a RBL feature to block some of these script > kiddies proactively. Unfortunately, these attempts have become a fact > of life. I probably get 20 - 30 attempts a day between my various > servers. Depending on how you use ssh from external systems you could add firewall rules to disallow all but known sources. -- David Kelly N4HHE, dkelly@HiWAAY.net ======================================================================== Whom computers would destroy, they must first drive mad.