[160953] in North American Network Operators' Group
Re: Network security on multiple levels (was Re: NYT covers China
daemon@ATHENA.MIT.EDU (Jon Lewis)
Wed Feb 20 14:06:08 2013
Date: Wed, 20 Feb 2013 14:05:08 -0500 (EST)
From: Jon Lewis <jlewis@lewis.org>
To: Jay Ashworth <jra@baylink.com>
In-Reply-To: <21410540.6654.1361380405540.JavaMail.root@benjamin.baylink.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Wed, 20 Feb 2013, Jay Ashworth wrote:
> Well, Warren, I once had a discussion with someone about whether dedicated
> DS-1 to tie your SCADA network together were "secure enough" and they asked
> me:
>
> "Does it run through a DACS? Where can you program the DACS from?"
See thread: nanog impossible circuit
Even your leased lines can have packets copied off or injected into them,
apparently so easily it can be done by accident.
----------------------------------------------------------------------
Jon Lewis, MCP :) | I route
Senior Network Engineer | therefore you are
Atlantic Net |
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________