Siemens Simatic RTU303xC Series Operating Instructions Manual page 143

The reachability of the IP address from the Internet must be enabled by the service provider.
● Active
– If the option is enabled, the use of DynDNS is enabled.
– If the option is disabled, the use of DynDNS is not enabled.
● Service provider
You can select the following service providers:
– DynDNS
– No-IP
● Host name
Host name of the RTU that you have agreed with your service provider.
● User name
User name provided by the service provider.
● Password
Password provided by the service provider.
CA certificate
The CA certificate of the DynDNS service provider serves to authenticate the service
provider with the RTU.
Certificates are not absolutely necessary for oeration.
Depending on the service provider, the following certificate is required:
● DynDNS
DigiCert CA
● No-IP
Geo Trust Global CA
Request the relevant valid certificate from your provider.
● Currently used file
Display of the file name of the currently used certificate file
● Delete
With the button, you delete the currently used file.
The file is deleted only after you click "Apply" button.
● File used after applying
After loading the certificate, the name of the loaded file is displayed here.
RTU303xC
Operating Instructions, 06/2019, C79000-G8976-C382-06
Address: http://www.dyndns.org/
Address: http://www.noip.com/
Configuration (WBM)
4.14 WAN
143