After deploying an Ingress with TLS enabled, HTTPS requests to your application fail with a certificate error. What is the most probable cause?

medium📝 Troubleshoot Q6 of 15

Kubernetes - Ingress

AThe TLS secret referenced in the Ingress does not contain a valid certificate for the host

BThe Ingress controller does not support TLS termination

CThe backend service is not listening on port 443

DThe Ingress resource is missing the <code>rules</code> section

Step-by-Step Solution

Solution:

Step 1: Identify certificate error cause
Certificate errors usually mean the TLS secret is invalid or missing the correct cert.
Step 2: Evaluate other options
Ingress controllers generally support TLS; backend port or missing rules cause different errors.
Final Answer:
The TLS secret referenced in the Ingress does not contain a valid certificate for the host -> Option A
Quick Check:
Certificate errors usually mean invalid or missing TLS secret cert [OK]

Quick Trick: Certificate errors often mean invalid TLS secret [OK]

Common Mistakes:

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