Reported-by: Daniel Stenberg
Closes https://github.com/curl/curl/issues/2916
WARNING: The \fICURLOPT_SSL_CTX_FUNCTION(3)\fP callback allows the application
to reach in and modify SSL details in the connection without libcurl itself
knowing anything about it, which then subsequently can lead to libcurl
-unknowingly reusing SSL connections with different properties.
+unknowingly reusing SSL connections with different properties. To remedy this
+you may set \fICURLOPT_FORBID_REUSE(3)\fP from the callback function.
.SH DEFAULT
NULL
.SH PROTOCOLS