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CURLOPT_PROXY_SSLVERSION(3) curl_easy_setopt options CURLOPT_PROXY_SSLVERSION(3)

NAME

CURLOPT_PROXY_SSLVERSION - set preferred proxy TLS/SSL version

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSLVERSION, long version);

DESCRIPTION

Pass a long as parameter to control which version of SSL/TLS to attempt to use when connecting to an HTTPS proxy.

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.
CURL_SSLVERSION_TLSv1
TLSv1.x
CURL_SSLVERSION_TLSv1_0
TLSv1.0
CURL_SSLVERSION_TLSv1_1
TLSv1.1
CURL_SSLVERSION_TLSv1_2
TLSv1.2
CURL_SSLVERSION_TLSv1_3
TLSv1.3

DEFAULT

CURL_SSLVERSION_DEFAULT

PROTOCOLS

All

EXAMPLE

CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
  /* ask libcurl to use TLS version 1.0 or later */
  curl_easy_setopt(curl, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_TLSv1);
  /* Perform the request */
  curl_easy_perform(curl);
}

AVAILABILITY

Added in 7.52.0

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), CURLOPT_IPRESOLVE(3) CURLOPT_SSLVERSION(3),

16 Nov 2016 libcurl 7.52.0