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Configuration (WBM)
4.15 Security
Own certificate
In the factory settings the RTU uses a self-issued server certificate for authentication with the
communications partner (client). In the browser of the PC from which you want to connect to
the RTU, in this case a message is displayed when establishing the connection.
Note
Warning message regarding the certificate (HTTPS)
When you establish the connection via HTTPS when you log in a warning message is
displayed indicating that the Web page is unsafe or that the certificate is not trustworthy. If
you are sure that you have entered the correct address, ignore the message. Also add the
connection to the exceptions in your Web browser (depending on the browser).
As an alternative you can import a third-party certificate, for example a certificate issued by
the client application.
● Currently used file
Display of the file name of the currently used file
● Delete
With the button, you delete the currently used file. The file is deleted only after you click
"Apply" button.
After deleting an imported certificate, the RTU once again uses the self-issued certificate
from the factory settings.
● File used after applying
After loading the certificate, the name of the loaded file is displayed here.
● Load new file
After selecting a file stored on the configuration PC using the "Search button, the file
name is displayed here.
● Search
Searches the file system of the configuration PC for a certificate file saved there that is
intended to be loaded on the RTU.
● Load on device
With the button "Load on device" load the selected file on the RTU.
Own key
In the factory settings the RTU uses a self-generated private key for encryption of the data to
be transferred via SSL/TLS.
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Operating Instructions, 09/2017, C79000-G8976-C382-04
RTU3030C
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