NAME¶
CURLOPT_SSLVERSION - set preferred TLS/SSL version
SYNOPSIS¶
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLVERSION, long version);
DESCRIPTION¶
Pass a long as parameter to control which version of SSL/TLS to attempt to use.
Use one of the available defines for this purpose. The available options are:
- CURL_SSLVERSION_DEFAULT
- The default action. This will attempt to figure out the remote SSL
protocol version, i.e. either SSLv3 or TLSv1
- CURL_SSLVERSION_TLSv1
- TLSv1.x
- CURL_SSLVERSION_SSLv2
- SSLv2
- CURL_SSLVERSION_SSLv3
- SSLv3
- CURL_SSLVERSION_TLSv1_0
- TLSv1.0 (Added in 7.34.0)
- CURL_SSLVERSION_TLSv1_1
- TLSv1.1 (Added in 7.34.0)
- CURL_SSLVERSION_TLSv1_2
- TLSv1.2 (Added in 7.34.0)
DEFAULT¶
CURL_SSLVERSION_DEFAULT
PROTOCOLS¶
All TLS based protocols: HTTPS, FTPS, IMAPS, POP3, SMTPS etc.
EXAMPLE¶
TODO
AVAILABILITY¶
SSLv2 is disabled by default since 7.18.1
RETURN VALUE¶
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO¶
CURLOPT_USE_SSL(3),
CURLOPT_HTTP_VERSION(3),
