App reports the server as untrusted (insecure certificates)
State of knowledge
January 2023
Observation
The ProCall mobile app for Android or iOS reports the own server with an SSL certificate as insecure.
The browser itself does not report any abnormalities.
Background
Browsers are more tolerant when it comes to the quality of certificates.
The verification must therefore be carried out via other procedures.
Solution
Verify the quality of certificates via services such as:
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