Siemens SINAMICS S120 Function Manual page 461

The certificate handling then looks like this:
Figure 7-44
You can find further information on Transport Layer Security certificates at Address
(http://www.verisign.com).
Delivery state
A private key is generated as a file on the device when you first use HTTPSso that you can
access the drive via HTTPS in the SINAMICS delivery state.
During an HTTPS access using this key, a warning is issued in the browser that the
certificate is unknown.
Validity period of the certificates
Certificates up to 2044 are valid.
After expiration of the validity period, new valid certificates must be installed on all the
relevant drives.
Drive functions
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
Certificate handling concept
Basic functions
7.30 Web server
461