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CURLOPT_SSL_SESSIONID_CACHE(3)

curl_easy_setopt options                        CURLOPT_SSL_SESSIONID_CACHE(3)



NAME
       CURLOPT_SSL_SESSIONID_CACHE - use the SSL session-ID cache

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_SESSIONID_CACHE,
                                long enabled);

DESCRIPTION
       Pass  a  long  set  to  0  to  disable  libcurl's use of SSL session-ID
       caching. Set this to 1 to enable it. By default all transfers are  done
       using the cache enabled. While nothing ever should get hurt by attempt‐
       ing to reuse SSL session-IDs, there seem to be or have been broken  SSL
       implementations  in  the  wild  that may require you to disable this in
       order for you to succeed.

DEFAULT
       1

PROTOCOLS
       All TLS-based

EXAMPLE
       CURL *curl = curl_easy_init();
       if(curl) {
         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
         /* switch off session-id use! */
         curl_easy_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE, 0L);
         ret = curl_easy_perform(curl);
         curl_easy_cleanup(curl);
       }

AVAILABILITY
       Added in 7.16.0

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

SEE ALSO
       CURLOPT_DNS_CACHE_TIMEOUT(3), CURLOPT_SSLVERSION(3),



libcurl 7.86.0                   May 17, 2022
                                                CURLOPT_SSL_SESSIONID_CACHE(3)
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