nanog mailing list archives

Re: WaPo writes about vulnerabilities in Supermicro IPMIs


From: Charles N Wyble <charles-lists () knownelement com>
Date: Sun, 25 Aug 2013 13:28:11 -0500

If you are OK with USB ether net for one interface,  check out the tplink wr703n. Its powered via USB, has a USB and 
rj45 jack. Runs OpenWrt. 

Leo Bicknell <bicknell () ufp org> wrote:

On Aug 15, 2013, at 9:18 PM, Brandon Martin <lists.nanog () monmotha net>
wrote:

As to why people wouldn't put them behind dedicated firewalls,
imagine something like a single-server colo scenario. 

I have asked about this on other lists, but I'll ask here.

Does anyone know of a small (think Raspberry Pi sized) device that is:

 1) USB powered.
 2) Has two ethernet ports.
 3) Runs some sort of standard open source OS?

You might already see where I'm going with this, a small 2-port
firewall device sitting in front of IPMI, and powered off the USB bus
of the server.  That way another RU isn't required.  Making it fit in
an expansion card slot and using an internal USB header might be
interesting too, so from the outside it wasn't obvious what it was.

I would actually like to see the thing only respond on the USB side,
power + console, enabling consoling in and changing L2 firewall rules. 
No IP stack on it what so ever.  That would be highly secure and
simple.

-- 
      Leo Bicknell - bicknell () ufp org - CCIE 3440
       PGP keys at http://www.ufp.org/~bicknell/

-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.


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