arguments. Therefore, it's recommended to pass 1 as parameter to this option.
.IP CURLOPT_SSLVERSION
Pass a long as parameter to control what version of SSL/TLS to attempt to use.
+(Added in 7.9.2)
+
The available options are:
.RS
.IP CURL_SSLVERSION_DEFAULT
.IP CURL_SSLVERSION_SSLv3
Force SSLv3
.IP CURL_SSLVERSION_TLSv1_0
-Force TLSv1.0
+Force TLSv1.0 (Added in 7.34.0)
.IP CURL_SSLVERSION_TLSv1_1
-Force TLSv1.1
+Force TLSv1.1 (Added in 7.34.0)
.IP CURL_SSLVERSION_TLSv1_2
-Force TLSv1.2
+Force TLSv1.2 (Added in 7.34.0)
.RE
.IP CURLOPT_SSL_VERIFYPEER
Pass a long as parameter. By default, curl assumes a value of 1.