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Re: Pen-testing Simatic Data Aquisition Periphery e.g. PLC S5orS7
From: "Patrick Coomans" <Patrick.Coomans () 4all be>
Date: Mon, 01 Oct 2001 10:27:52 +0200

Nasir,

I understand your worries about pen-testing a PLC-environment, but pen-testing means testing worst-case scenarios in a 
controlled environment.  I want to be sure that at my customers it is not possible to perform attacks against the PLC's.

BTW, I also found out that in many cases people use serial-in-tcp/ip tunneling devices such as from Lantronix for their 
PLC connectivity.  These devices can be reset to factory default by sending a "R" to port 9999 of the device.

Patrick





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