<title>CURLOPT_SSLVERSION man page</title>
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<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
<p class="level0">CURLOPT_SSLVERSION - set preferred TLS/SSL version <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
-<p class="level0">#include <curl/curl.h>
+<p class="level0">#include <curl/curl.h>
<p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLVERSION, long version); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
<p class="level0">Pass a long as parameter to control which version of SSL/TLS to attempt to use.
<p class="level0">Use one of the available defines for this purpose. The available options are:
<p class="level0"><a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
<p class="level0">CURL_SSLVERSION_DEFAULT <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2>
<p class="level0">All TLS based protocols: HTTPS, FTPS, IMAPS, POP3, SMTPS etc. <a name="EXAMPLE"></a><h2 class="nroffsh">EXAMPLE</h2>
-<p class="level0"><pre>
-<p class="level0">CURL *curl = curl_easy_init();
- if(curl) {
- curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
- <p class="level0"> /* ask libcurl to use TLS version 1.0 or later */
- curl_easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
- <p class="level0"> /* Perform the request */
- curl_easy_perform(curl);
- }
- </pre>
+<p class="level0"><pre class="level0">
+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_SSLVERSION, CURL_SSLVERSION_TLSv1);
+
+ /* Perform the request */
+ curl_easy_perform(curl);
+}
+</pre>
<p class="level0"><a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>
<p class="level0">SSLv2 is disabled by default since 7.18.1. Other SSL versions availability may vary depending on which backend libcurl has been built to use.