[Novalug] Speaking of house cleaning....

Stephen Cicirelli scicirelli@gmail.com
Wed Aug 24 10:33:53 EDT 2011

Clifford Stoll spliced the serial cable into a second computer running
a terminal session and was able to get every key stroke in The Cooko's
Egg (makes me wish IT stuff was so easy still).

Of course that only works if it is an external modem.


On Wed, Aug 24, 2011 at 8:07 AM, Matt Ryanczak <ryanczak@gmail.com> wrote:
> That's a fun problem to have!
> I would stick a Linux box in between the pc and the modem and use it to
> sniff the serial connection. A python or perl script that reads/writes
> the TTYs and passes / records the data would not be difficult to write
> and the 2400bps speed should not pose a significant performance problem
> on modernish hw.
> On 8/24/11 1:38 AM, Roy Wilson wrote:
>>    I need a sniffer for a 2400bps modem line.  I've got a proprietary old PC system that connects to a dial-back system so that system can talk to yet a third system (embedded computer) with the PC as the bridge.
>>    I want to look at the data it's sending and what's coming back, so I need a vampire between the modem and POTS line.
>>    Stuff I used to work with all the time - 20-odd years ago.
>>    Finding one NOW is turning into a lesson in futility - has anyone got any old gear that would work?
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