Tested with servers: IIS 7.5; OpenSSL 1.0.2.
Closes https://github.com/curl/curl/pull/1475
mbedtls_ssl_conf_ciphersuites(&connssl->config,
mbedtls_ssl_list_ciphersuites());
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+ mbedtls_ssl_conf_renegotiation(&connssl->config,
+ MBEDTLS_SSL_RENEGOTIATION_ENABLED);
+#endif
+
#if defined(MBEDTLS_SSL_SESSION_TICKETS)
mbedtls_ssl_conf_session_tickets(&connssl->config,
MBEDTLS_SSL_SESSION_TICKETS_DISABLED);