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# How to fix TLS error "Reason- extension (5) should not be presented in certificate\_request."

### Issue <a href="#issue" id="issue"></a>

When Spinnaker attempts to connect to any client services behind a TLS endpoint, you receive the following error: `Reason: extension (5) should not be presented in certificate_request`

### Cause <a href="#cause" id="cause"></a>

It may be related to a Java and Go bug mentioned here: <https://github.com/golang/go/issues/35722#issuecomment-557209799>.