The maximum TLS protocol version that the client should request when making connections in this session.
- iOS 7.0+
- macOS 10.9+
- tvOS 9.0+
- watchOS 2.0+
This property determines the maximum supported TLS protocol version for tasks within sessions based on this configuration.
The value of this property as of iOS 10 and macOS 10.12 is
SSLProtocol, which is interpreted as meaning the system default. The system default is the latest version of TLS supported by the operating system. See the
SSLProtocol enumerated type for additional values.