My alexa skill code runs absolutely fine on ngrok but not working on live server.
I am having following error:
The SSL handshake to endpoint Resource [https://alexa.testflight.biz/api/chat], Type [HTTP], Region [DEFAULT] failed. Please check that your java keystore is correctly configured
According to one of the responses, the problem is that there is no cipher overlap between your webserver and the Alexa Skills server, and that you can fix this by adding the ECDHE-RSA-AES128-SHA256 cipher to your nginx configuration (ssl_ciphers directive)
You can test this with the following (it currently fails):