[170112] in North American Network Operators' Group
Re: misunderstanding scale
daemon@ATHENA.MIT.EDU (William Herrin)
Mon Mar 24 12:21:30 2014
In-Reply-To: <1395644446.3279.26.camel@karl>
From: William Herrin <bill@herrin.us>
Date: Mon, 24 Mar 2014 12:20:48 -0400
To: Karl Auer <kauer@biplane.com.au>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Mon, Mar 24, 2014 at 3:00 AM, Karl Auer <kauer@biplane.com.au> wrote:
> Addressable is not the same as
> accessible; routable is not the same as routed.
Indeed. However, all successful security is about _defense in depth_.
If it is inaccessible, unrouted, unroutable and unaddressable then you
have four layers of security. If it is merely inaccessible and
unrouted you have two.
Regards,
Bill Herrin
--
William D. Herrin ................ herrin@dirtside.com bill@herrin.us
3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
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