DevOps Asked by Abba on August 22, 2021
We have an ODBC Driver trying to connect through TLS , but fails.
We tested using openssl with the following command and worked fine:
openssl s_client -connect xxx.com:31020
the server accepts TLS 1.0 to TLS 1.3 (downgraded just for debugging)
While Trying to connect , here is the wireshark handshake capture flow:
and also while expanding the client hello TLS, this is what we have :
Any idea what’s causing the handshake not to start properly?
Since we are using ISTIO as Ingress Gateway with Kubernetes, the issue is related to ISTIO gateway config. We simply had to replace the matching host to '*' in ISTIO gateway config
Correct answer by Abba on August 22, 2021
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