[123571] in North American Network Operators' Group
Re: ethernet to serial converters with ACLs
daemon@ATHENA.MIT.EDU (Henry Yen)
Thu Mar 11 07:35:02 2010
Date: Thu, 11 Mar 2010 07:34:38 -0500
From: Henry Yen <henry@AegisInfoSys.com>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <4B97FE71.8090700@csuohio.edu>;
from Michael Holstein on Wed, Mar 10, 2010 at 15:17:53PM -0500
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Wed, Mar 10, 2010 at 15:17:53PM -0500, Michael Holstein wrote:
> Can anyone recommend a cheap Ethernet to Serial (RS232/422/485)
> converter with functionality like the Lantronix boxes .. except one that
> supports access lists (nothing complicated .. maybe a list of 5 approved
> hosts). I need a bunch of single port devices, not an access-server for
> a rack.
>
> I could build one out of a Pogoplug + USB/serial dongle .. (~$120 total)
> but would rather not re-invent the wheel.
>
> All the "secure" ones I see involve encrypting com port redirectors for
> the host PC .. I don't care about encrypting data in flight, I just want
> to restrict who can connect to the COM port on the other side of the IP
> device. It needs to work like the Lantronics ones do (take tcp/(port)
> and spit it out as rs232).
I may not understand your query, but I think the Perle IOLAN serial/terminal
ethernet mini-servers can do that. They pop up on ebay in various shades
of slightly-used, for around $40. Similar devices are Comtrol DeviceMasters,
which are less featureful (and even cheaper).
--
Henry Yen Aegis Information Systems, Inc.
Senior Systems Programmer Hicksville, New York
