DragonFly On-Line Manual Pages
CURLOPT_PROXY_TLS13_CIPHERS(3) curl_easy_setopt options
CURLOPT_PROXY_TLS13_CIPHERS - ciphers suites for proxy TLS 1.3
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_TLS13_CIPHERS,
Pass a char *, pointing to a null-terminated string holding the list of
cipher suites to use for the TLS 1.3 connection to a proxy. The list
must be syntactically correct, it consists of one or more cipher suite
strings separated by colons.
You'll find more details about cipher lists on this URL:
This option is currently used only when curl is built to use OpenSSL
1.1.1 or later. If you are using a different SSL backend you can try
setting TLS 1.3 cipher suites by using the
The application does not have to keep the string around after setting
NULL, use internal default
All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
CURL *curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
ret = curl_easy_perform(curl);
Added in 7.61.0. Available when built with OpenSSL >= 1.1.1.
Returns CURLE_OK if supported, CURLE_NOT_BUILT_IN otherwise.
libcurl 7.79.1 November 4, 2020 CURLOPT_PROXY_TLS13_CIPHERS(3)