IOS 18.3 does not accept the trusted CA's certificate after changed the website cert

Hello, wehave some Iphone in the family and noticed a strange issue: On a website the site admins renewed the webserver cert, and now most of the IOS devices( Iphone 15 / 15 Pro Max / Ipad 10) doesnot trust in the new cert, while the apple trustsin the rootCA

webste: https://etitan.hu RootCA CN = NetLock Arany (Class Gold) Főtanúsítvány ios 18 trusted CAs:https://support.apple.com/en-us/121672

So any idea whats wrong ? On windows everything is OK !

Answered by DTS Engineer in 826760022

For help with access to websites, please post in the Apple Support Community. The Apple Developer Forums are for questions about APIs and features intended specifically for developers.

For help with access to websites, please post in the Apple Support Community. The Apple Developer Forums are for questions about APIs and features intended specifically for developers.

IOS 18.3 does not accept the trusted CA's certificate after changed the website cert
 
 
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