I installed a wildcard SSL certificate (*.vht.com) for my work and accessing the following website in chrome (or any desktop browser) https://tours.vht.com/fsviewer3/fss2.html works, but when trying to access using iOS or android(chrome) you will get warnings about the certificate not being valid (also getting warning about insecure content).
Any ideas on why?
more info: I'm running IIS6 on that server.
Windows – HTTPS warning: works on desktop, warning on mobile
httpsiis-6ssl-certificatewindows
Best Answer
You will need to add the intermediate certificate into the IIS SSL configuration. For details see: https://support.godaddy.com/help/article/4875/installing-an-ssl-certificate-in-microsoft-iis-5-6
You can test if the intermediate certificate is provided by IIS with:
echo ""| openssl s_client -showcerts -connect tours.vht.com:443
The intermediate certificate you need to install in IIS is " Go Daddy Secure Certificate Authority - G2" listed bellow: