When I use TwiML to send commands, Twilio API (TwilioProxy/1.1) makes requests to my Apache server on HTTPS without SNI support.
I need to block non-SNI clients (
To be clear, Twilio has supported SNI since August 2015 which came almost 3 months after the original answer David provided. In the new Console - Account Settings you will find that here: https://www.twilio.com/console/account/settings