CURLOPT_FTPSSLAUTH - set order to attemp TSL vs SSL when using FTP
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTPSSLAUTH, long order);
Pass a long using one of the values from below, to alter how libcurl issues "AUTH TLS" or "AUTH SSL" when FTP over SSL is activated. This is only interesting if CURLOPT_USE_SSL is also set.
Possible order values:
Allow libcurl to decide.
Try "AUTH SSL" first, and only if that fails try "AUTH TLS".
Try "AUTH TLS" first, and only if that fails try "AUTH SSL".
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
CURLOPT_USE_SSL CURLOPT_FTP_SSL_CCC
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