As in sending a non-fatal alert? There's no API to do that. And it probably wouldn't work anyway, as most runtimes treat any alert as fatal.
Your best bet is to implement the right callback (depends on which version of openssl you are using) and return an error if the SNI isn't one of your allowed values.
On 6/27/18, 8:45 AM, "Felipe Gasper" <felipe@xxxxxxxxxxxxxxxx> wrote:
RFC 3546, in describing the SNI extension, recommends that servers send a warning to clients that request an unknown server name. (Page 9)
I’d like to implement that warning .. could someone please point me to which API functions expose this ability?
Thank you!
-Felipe Gasper
Mississauga, ON
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