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Created attachment 18374 [details]
This bug may be the same as https://bugzilla.xamarin.com/show_bug.cgi?id=44813 but on the current Alpha channel release for Mac (Xamarin.Android 220.127.116.11).
Our internal development landscape certificate has a wildcard as part of the subject, such as '*.mmx.sap.corp'. The current Alpha channel release seems to handle wildcards not correctly and reports a 'RemoteCertificateNameMismatch' SslPolicyError to the callback registered to to `ServicePointManager.ServerCertificateValidationCallback`.
This works in Stable. Hence we believe we are facing a regression here.
Repro attached. Assign URL of test server to constant in MainActivity.cs line 18.
Unfortunately, we’re unable to reproduce this report using the latest Xamarin.Android (7.3). If this issue is still occurring for you, please reopen this issue and provide an endpoint that could be used to reproduce this issue. Thank you!