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Enabling public access to IFS Cloud shows the connection as insecure, with the certificate's CN not matching what's expected, even though internal/private-network access works fine.

Answer

Before suspecting the ingress controller's TLS certificate itself, check for a NAT rule on the firewall sitting in front of the public entry point — a NAT misconfiguration can forward public traffic to the wrong application server entirely (which is what actually presents the mismatched certificate), rather than the certificate or ingress configuration being the real problem.

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