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23 .TH CURLOPT_FTPSSLAUTH 3 "May 31, 2017" "libcurl 7.59.0" "curl_easy_setopt options"
26 CURLOPT_FTPSSLAUTH \- set order in which to attempt TLS vs SSL when using FTP
28 #include <curl/curl.h>
30 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTPSSLAUTH, long order);
32 Pass a long using one of the values from below, to alter how libcurl issues
33 \&"AUTH TLS" or "AUTH SSL" when FTP over SSL is activated. This is only
34 interesting if \fICURLOPT_USE_SSL(3)\fP is also set.
36 Possible \fIorder\fP values:
37 .IP CURLFTPAUTH_DEFAULT
38 Allow libcurl to decide.
40 Try "AUTH SSL" first, and only if that fails try "AUTH TLS".
42 Try "AUTH TLS" first, and only if that fails try "AUTH SSL".
49 CURL *curl = curl_easy_init();
51 curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/file.txt");
52 curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_TRY);
53 /* funny server, ask for SSL before TLS */
54 curl_easy_setopt(curl, CURLOPT_FTPSSLAUTH, CURLFTPAUTH_SSL);
55 ret = curl_easy_perform(curl);
56 curl_easy_cleanup(curl);
62 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
64 .BR CURLOPT_USE_SSL "(3), " CURLOPT_FTP_SSL_CCC "(3), "