This optional parameter specifies SSL/TLS protocol version(s)
to use when connection to the server. For further information, see Perl
IO::Socket::SSL module documentation for SSL_version. The default value
and supported versions depend on the IO::Socket::SSL, Net::SSLeay and
OpenSSL version available on your system.
Here is an example of
using SSLVersion
:
SSLVersion TLSv1_2