CURLOPT_FTPSSLAUTH (3) Linux Manual Page

CURLOPT_FTPSSLAUTH – set order in which to attempt TLS vs SSL when using FTP

Synopsis

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTPSSLAUTH, long order);

Description

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(3) is also set.

Possible order values:

CURLFTPAUTH_DEFAULT: Allow libcurl to decide.
CURLFTPAUTH_SSL: Try "AUTH SSL" first, and only if that fails try "AUTH TLS".
CURLFTPAUTH_TLS: Try "AUTH TLS" first, and only if that fails try "AUTH SSL".

Default

CURLFTPAUTH_DEFAULT

Protocols

FTP

Example

TODO

Availability

Added in 7.12.2

Return Value

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.