Hi Sergey,

Thank you.

After enabling the "-Djava.net.debug=ssl" on the upstream, we are seeing the following SSL error in upstream:

Thread-7, fatal error: 80: problem unwrapping net record
javax.net.ssl.SSLException: Unsupported record version Unknown-126.133
%% Invalidated: [Session-20, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384]
Thread-7, SEND TLSv1.2 ALERT: fatal, description = internal_error

And we are still trying to find the cause of this SSL error.

Thanks.