From owner-freebsd-questions@FreeBSD.ORG  Fri Mar  5 15:46:56 2010
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
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 503231065686
	for <freebsd-questions@freebsd.org>;
	Fri,  5 Mar 2010 15:46:56 +0000 (UTC)
	(envelope-from john@starfire.mn.org)
Received: from elwood.starfire.mn.org (starfire.skypoint.net [173.8.102.29])
	by mx1.freebsd.org (Postfix) with ESMTP id 151D98FC2D
	for <freebsd-questions@freebsd.org>;
	Fri,  5 Mar 2010 15:46:55 +0000 (UTC)
Received: from elwood.starfire.mn.org (john@localhost [127.0.0.1])
	by elwood.starfire.mn.org (8.14.3/8.14.3) with ESMTP id o25Fksts017607; 
	Fri, 5 Mar 2010 09:46:54 -0600 (CST)
	(envelope-from john@elwood.starfire.mn.org)
Received: (from john@localhost)
	by elwood.starfire.mn.org (8.14.3/8.14.3/Submit) id o25FksFv017606;
	Fri, 5 Mar 2010 09:46:54 -0600 (CST) (envelope-from john)
Date: Fri, 5 Mar 2010 09:46:54 -0600
From: John <john@starfire.mn.org>
To: "Randal L. Schwartz" <merlyn@stonehenge.com>
Message-ID: <20100305154654.GB17456@elwood.starfire.mn.org>
References: <20100305125446.GA14774@elwood.starfire.mn.org>
	<4B910139.1080908@joseph-a-nagy-jr.us>
	<20100305132604.GC14774@elwood.starfire.mn.org>
	<1108389354.20100305154152@sng.by>
	<861vfy6add.fsf@blue.stonehenge.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <861vfy6add.fsf@blue.stonehenge.com>
User-Agent: Mutt/1.4.2.3i
Cc: John <john@starfire.mn.org>, freebsd-questions@freebsd.org,
	Programmer In Training <pit@joseph-a-nagy-jr.us>, Anton <anton@sng.by>
Subject: Re: Thousands of ssh probes
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 05 Mar 2010 15:46:56 -0000

On Fri, Mar 05, 2010 at 07:45:02AM -0800, Randal L. Schwartz wrote:
> >>>>> "Anton" == Anton  <anton@sng.by> writes:
> 
> Anton>    But, to allow acces for yourself - you could install wonderfull
> Anton>    utility = 'knock-knock'.
> 
> Port knocking is false security.
> 
> It's equivalent to adding precisely two bytes (per knock, which can't
> be too close or far apart or numerous) to the key length.
> 
> Are you really thinking that increasing your key length from 2048 to 2050
> helps?
> 
> The right solution is proper ssh key management, and intrusion detection, and
> if you insist on having password access, use one-time passwords and/or
> strength checks.
> 
> If you don't like your logfiles filling up, don't run ssh on port 22.  I like
> 443, because corporate firewalls tend to pass that... :)

Yes - that's exactly what I used to do, and exactly why I used to do
it, but now I'm thinking of actually implement https.
-- 

John Lind
john@starfire.MN.ORG

The inherent vice of capitalism is the unequal sharing of blessings;
the inherent virtue of socialism is the equal sharing of miseries.
  - Winston Churchill