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23 .TH CURLOPT_PROXY_SSLVERSION 3 "16 Nov 2016" "libcurl 7.52.0" "curl_easy_setopt options"
25 CURLOPT_PROXY_SSLVERSION \- set preferred proxy TLS/SSL version
27 #include <curl/curl.h>
29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSLVERSION, long version);
31 Pass a long as parameter to control which version of SSL/TLS to attempt to use
32 when connecting to an HTTPS proxy.
34 Use one of the available defines for this purpose. The available options are:
36 .IP CURL_SSLVERSION_DEFAULT
37 The default action. This will attempt to figure out the remote SSL protocol
39 .IP CURL_SSLVERSION_TLSv1
41 .IP CURL_SSLVERSION_TLSv1_0
43 .IP CURL_SSLVERSION_TLSv1_1
45 .IP CURL_SSLVERSION_TLSv1_2
47 .IP CURL_SSLVERSION_TLSv1_3
51 CURL_SSLVERSION_DEFAULT
56 CURL *curl = curl_easy_init();
58 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
60 /* ask libcurl to use TLS version 1.0 or later */
61 curl_easy_setopt(curl, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_TLSv1);
63 /* Perform the request */
64 curl_easy_perform(curl);
70 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
72 .BR CURLOPT_USE_SSL "(3), " CURLOPT_HTTP_VERSION "(3), "
73 .BR CURLOPT_IPRESOLVE "(3) " CURLOPT_SSLVERSION "(3), "