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Protect S7-315pn/dp for reading and writing.

Created by: Jaapie at: 4/1/2009 8:46 AM (3 Replies)

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4/1/2009 8:46 AM	Rate (0)
Jaapie Gold Member Joined: 1/17/2006 Last visit: 7/19/2024 Posts: 800 Rating: (63)	Dear All, I want to know if there is a way to protect the CPU from reading and writing. With Simatic manager the program can be protected with a password, but what if I made my own application and try to reador writeinformation from a DB? Can it be protected against non standard software? The only way I can think of is a hardware lock, is there standard hardware to lock the PLC? Thanks in advance, Jaap

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4/1/2009 8:57 AM	Rate (0)
Darius Platinum Expert Joined: 9/28/2005 Last visit: 8/27/2024 Posts: 2957 Rating: (242)	Hello, I don't know about hardware lock, but software locks are only theoretically. Every software lock isn't 100% secure and they can be easily braked down. So if there is hardware lock then this is the best security of program. I know only hardware locks for CP341 drivers, but never heard for protecting your program.
	Best regards, Darius
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This contribution was helpful to 1 thankful Users Jaapie

4/1/2009 12:39 PM	Rate (0)
UMENCHO Diamond Member Joined: 3/21/2006 Last visit: 10/4/2024 Posts: 10229 Rating: (1181)	Hello Jaap, I suggest you to use standart ways to lock your program (job). I don't think that exists some protection tool (software or hardware) without ways to unblock. Using software protection is enough for "simple" (dayly) users. If someone decide to steal your job... you can't stop him. Hope this will helps. Best regards

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This contribution was helpful to 1 thankful Users Jaapie

4/1/2009 1:37 PM	Rate (0)
Darius Platinum Expert Joined: 9/28/2005 Last visit: 8/27/2024 Posts: 2957 Rating: (242)	I'm affraid UMENCHO is totally right.
	Best regards, Darius
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This contribution was helpful to 1 thankful Users Jaapie

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