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CURLOPT_FTPSSLAUTH(3)      curl_easy_setopt options      CURLOPT_FTPSSLAUTH(3)

NAME

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

CURL *curl = curl_easy_init(); if(curl) { curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/file.txt"); curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_TRY); /* funny server, ask for SSL before TLS */ curl_easy_setopt(curl, CURLOPT_FTPSSLAUTH, CURLFTPAUTH_SSL); ret = curl_easy_perform(curl); curl_easy_cleanup(curl); }

AVAILABILITY

Added in 7.12.2

RETURN VALUE

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

SEE ALSO

CURLOPT_USE_SSL(3), CURLOPT_FTP_SSL_CCC(3), libcurl 7.65.3 May 31, 2017 CURLOPT_FTPSSLAUTH(3)

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