CURLOPT_IPRESOLVE(3) curl_easy_setopt options CURLOPT_IPRESOLVE(3)NAME
CURLOPT_IPRESOLVE - specify which IP protocol version to use
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_IPRESOLVE, long resolve);
DESCRIPTION
Allows an application to select what kind of IP addresses to use when resolving host names. This is only interesting when using host names
that resolve addresses using more than one version of IP. The allowed values are:
CURL_IPRESOLVE_WHATEVER
Default, resolves addresses to all IP versions that your system allows.
CURL_IPRESOLVE_V4
Resolve to IPv4 addresses.
CURL_IPRESOLVE_V6
Resolve to IPv6 addresses.
DEFAULT
CURL_IPRESOLVE_WHATEVER
PROTOCOLS
All
EXAMPLE
TODO
AVAILABILITY
Always
RETURN VALUE
Returns CURLE_OK
SEE ALSO CURLOPT_HTTP_VERSION(3), CURLOPT_SSLVERSION(3),
libcurl 7.54.0 February 03, 2016 CURLOPT_IPRESOLVE(3)
Check Out this Related Man Page
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
CURL_SSLVERSION_MAX_DEFAULT
The flag defines maximum supported TLS version as TLSv1.2 or default value from SSL library. Only library NSS currently
allows to get maximum supported TLS version. (Added in 7.54.0)
CURL_SSLVERSION_MAX_TLSv1_0
The flag defines maximum supported TLS version as TLSv1.0. (Added in 7.54.0)
CURL_SSLVERSION_MAX_TLSv1_1
The flag defines maximum supported TLS version as TLSv1.1. (Added in 7.54.0)
CURL_SSLVERSION_MAX_TLSv1_2
The flag defines maximum supported TLS version as TLSv1.2. (Added in 7.54.0)
CURL_SSLVERSION_MAX_TLSv1_3
The flag defines maximum supported TLS version as TLSv1.3. (Added in 7.54.0)
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_1 |
CURL_SSLVERSION_MAX_DEFAULT);
/* 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),
libcurl 7.54.0 December 13, 2016 CURLOPT_PROXY_SSLVERSION(3)
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