If you happen to have a Nginx upstream using AWS API Gateway, and gets this error ‘SSL_do_handshake() failed (SSL: error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure) while SSL handshaking to upstream‘
Here is the fix – you need to add ‘proxy_ssl_server_name on;‘ in your nginx.conf. The directive is only available since version 1.7.0.
This directive appeared in version 1.7.0.
Enables or disables passing of the server name through TLS Server Name Indication extension (SNI, RFC 6066) when establishing a connection with the proxied HTTPS server.