>Hi,
>
>Could someone explain to me how TLS relates (technically) to the ODBC driver used when a VFP 9 application connects to the SQL Server? Every page I google for the TLS version and enabling points to having to do it in a Browser.
>But the VFP connects to the SQL Server via the ODBC driver, not browser. So, what actually goes on "under the hood"?
>TIA

TLS (Transport Layer Security) is a cryptographic protocol designed to provide communications security over a computer network (not only the Internet)...
https://en.wikipedia.org/wiki/Transport_Layer_Security
TLS 1.2 is currently the recommended standard. Support for SQL Server is documented here:
https://support.microsoft.com/en-us/help/3135244/kb3135244-tls-1-2-support-for-microsoft-sql-server