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- .TH CURLOPT_SSLVERSION 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
- .SH NAME
- CURLOPT_SSLVERSION \- set preferred TLS/SSL version
- .SH SYNOPSIS
- #include <curl/curl.h>
- CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLVERSION, long version);
- .SH 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:
- .RS
- .IP CURL_SSLVERSION_DEFAULT
- The default action. This will attempt to figure out the remote SSL protocol
- version, i.e. either SSLv3 or TLSv1
- .IP CURL_SSLVERSION_TLSv1
- TLSv1.x
- .IP CURL_SSLVERSION_SSLv2
- SSLv2
- .IP CURL_SSLVERSION_SSLv3
- SSLv3
- .IP CURL_SSLVERSION_TLSv1_0
- TLSv1.0 (Added in 7.34.0)
- .IP CURL_SSLVERSION_TLSv1_1
- TLSv1.1 (Added in 7.34.0)
- .IP CURL_SSLVERSION_TLSv1_2
- TLSv1.2 (Added in 7.34.0)
- .RE
- .SH DEFAULT
- CURL_SSLVERSION_DEFAULT
- .SH PROTOCOLS
- All TLS based protocols: HTTPS, FTPS, IMAPS, POP3, SMTPS etc.
- .SH EXAMPLE
- TODO
- .SH AVAILABILITY
- SSLv2 is disabled by default since 7.18.1
- .SH RETURN VALUE
- Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
- .SH "SEE ALSO"
- .BR CURLOPT_USE_SSL "(3), " CURLOPT_HTTP_VERSION "(3), "
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