Linked by David Adams on Tue 6th Oct 2009 00:35 UTC, submitted by Moulinneuf
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Member since:
2007-09-22
I know several 'mission critical'-systems that just have two seperate networks, one for control of such a system and one connected to the internet, etc.
And why you'd need cdrom-access to the control-system of a critical-system to play a dvd I wouldn't know.
You don't use firewalls, etc. you just don't connect the networks, that's the easiest way to handle these things.