I have a standalone (EXE) DataSnap server written in Delphi XE6 which I've secured with an SSL certificate using the OpenSSL DLLs. When I test the connection to the server I can see that it supports TLS v1.0. I now need to ensure the server can support TLS v1.2 (e.g. to support connections from iOS9 apps). However I can't see how to enable this. I've made the Windows registry changes to the (Windows 2008R2) server to enable TLS v1.2 but I guess this only affects IIS apps.
Can anybody show me how to enable TLS v1.2 within the Windows OpenSSL DLLs? I'm using version 1.0.2d of the DLLs. Or is there something within the DataSnap server component properties that needs to be changed?