What this all boils down to is that the server configuration (I believe it to be a NetScaler device) is incorrect.
QuoVadis Root CA2, the QuoVadis Global SSL ICA and the QuoVadis Trusted Code ICA issue Certificates to Subscribers in accordance with this CP/CPS. In 2019, QuoVadis was acquired by DigiCert, the world’s leading provider of TLS/SSL, IoT and other PKI solutions. fsacitrixweb.ed.gov, I can see that it is in fact returning a certificate chain that includes 4 certificates. The CA list currently counts 203 certificate authorities. Issuing CA (die wir bereits zulassen und von den zugelassenen Herausgebern kommen) DigiCert Inc. Many other users globally have been affected by this. Our site does not support outdated browser (or earlier) versions.
Nobody else is having this problem at work with Citrix Receiver for Mac (even with the same base configuration as me). Quovadis global ssl ica g3 not trusted ( ) port 443 (#11) * schannel: SSL/TLS connection with port 443 (step 1/3) * schannel: disabled server certificate revocation checks * schannel: verifyhost setting prevents Schannel from comparing the supplied target name with the subject names in server certificates.
