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23 .TH CURLOPT_USE_SSL 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
25 CURLOPT_USE_SSL \- request using SSL / TLS for the transfer
27 #include <curl/curl.h>
29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_USE_SSL, long level);
31 Pass a long using one of the values from below, to make libcurl use your
32 desired \fIlevel\fP of SSL for the transfer.
34 These are all protocols that start out plain text and get "upgraded" to SSL
35 using the STARTTLS command.
37 This is for enabling SSL/TLS when you use FTP, SMTP, POP3, IMAP etc.
39 Don't attempt to use SSL.
41 Try using SSL, proceed as normal otherwise.
42 .IP CURLUSESSL_CONTROL
43 Require SSL for the control connection or fail with \fICURLE_USE_SSL_FAILED\fP.
45 Require SSL for all communication or fail with \fICURLE_USE_SSL_FAILED\fP.
52 Added in 7.11.0. This option was known as CURLOPT_FTP_SSL up to 7.16.4, and
53 the constants were known as CURLFTPSSL_*
55 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
57 .BR CURLOPT_SSLVERSION "(3), " CURLOPT_SSL_OPTIONS "(3), "