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Configuration (WBM)
4.23 Telecontrol
RTU303xC
224
Operating Instructions, 06/2019, C79000-G8976-C382-06
DNP3 SA
Here, you can enable and configure secure authentication according to the DNP3
specification.
●
Activate Secure Authentication
Enable the option if you want to use the secure authentication.
●
IKE mode
Selection of the mode for key exchange. Range of values:
–
Main Mode
The Main Mode is the standard mode.
–
Aggressive Mode
The Aggressive Mode is somewhat faster but transfers the identity unencrypted.
Default setting: Aggressive Mode
●
SHA-1
Setting to select whether the RTU may use the secure hash algorithm SHA-1 if "SHA-
256" was configured as the Secure hash algorithm and the master does not support SHA-
256.
Range of values:
–
SHA-1 not allowed
The RTU may not use SHA-1. If the master does not support SHA-256, no connection
will be established.
–
SHA-1 allowed
The RTU can use SHA-1 if the master does not support SHA-256.
Default setting: SHA-1 not allowed
●
Hash method
Selection of the Secure Hash Algorithm (SHA)
Range of values:
–
SHA-1
–
SHA-256
Default setting: SHA-256
●
Key wrap method
Selection of the Advanced Encryption Standard (AES)
Range of values:
–
AES-128
–
AES-256
Default setting: AES-128