Hi, mono-4.4.0.40 can't connect over https but 4.2.3.4 was ok related bug and fix from upstream https://bugzilla.xamarin.com/show_bug.cgi?id=39307 https://github.com/mono/mono/commit/37b2b9fbc25a2199aba1d794117924d4828360a7 Reproducible: Always
4.4.1.0 is going to stable now