Control operate not working (ADD_CAUSE_NOT_SUPPORTED) about libiec61850 HOT 8 CLOSED

Nice to hear that it works :-)

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Ok. That information helps to get closer to the problem.
As the control model is 4 (SBO with enhanced security) only the selectWithValue should be accepted. That is also what can be observed with wireshark.
The response is "object-access-denied". That indicates that there is an access control restriction for that control. The value of "origin" is "192.168.0.100" this may indicate that the IED is configured to only allow select/operate from a client with that IP address and/or with this value of origin set.

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I think there is nothing wrong. It just means that the server provides no additional information about a problem (if there is any).
But when using SBO control you have to use the proper select (Select/SelectWithValue) before operate.

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@mzillgith

Sorry, I forgot to say...

Select/SelectWithValue commands does not work either.

if (control.Select()) {
	if (control.Operate(false))
		Console.WriteLine("operated successfully!");
	else
		Console.WriteLine("operate failed!");							
}
else
	Console.WriteLine("Select failed!");
	
if (control.SelectWithValue(true)) {
	if (control.Operate(false))
		Console.WriteLine("operated successfully!");
	else
		Console.WriteLine("operate failed!");							
}
else
	Console.WriteLine("Select failed!");

I get "Select failed" on both examples.

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And what is the value of ctlModel?

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It would be good if you could post some wireshark captures to see what actually happens.

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@mzillgith

And what is the value of ctlModel?

The command control.GetControlModel() returns ControlModel.SBO_ENHANCED

It would be good if you could post some wireshark captures to see what actually happens.

CO structure:

[Test on IED (SIEMENS)]

SIEMENS ICD / CFG: SIEMENS.zip

Wireshark
Filter: ip.addr == 192.168.0.125 && tcp.port == 102 && mms
Logs (.pcapng files): Wireshark.zip

Select Command (FAILED):

Select Command with Value (FAILED):

Operate (without select) (FAILED):

Note: I was able to test the library on a simulator (https://www.infotech.pl/iec-61850/libraries/tip-iec-61850-browser-61850-avenue-tip) that uses the both versions of the protocol. This IED (SIEMENS) uses the firmware protocol in version 1. Would that be a problem or limitation?

[Test on IED SIMULATOR (INFOTECH)]

Wireshark
Filter: ip.addr == 192.168.0.108 && tcp.port == 102 && mms
Log (.pcapng file): SelectWithValueOnSimulator.zip

Select Command with Value + Operate (SUCCESS):

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@mzillgith

OMG. That makes sense.

I used the command: control.SetOrigin("192.168.0.100", OrCat.REMOTE_CONTROL);
before control.SelectWithValue / control.Operate

It works!

Thank you so much.

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