Certificate Trust Failure
67 incident problems that show up as “Certificate Trust Failure”.
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All problems (67)
CICD-276Preview environment teardown removes DNS before certificate validation jobs finish probing the old hostname during a failover rehearsalThe environment lifecycle cleanup is correct for cost control and too early for the remaining verification path. Normal traffic masked the issue until the standby or alternate path became active under rehearsal conditions.CI/CDIntermediate17 minProNETWORK-198Runtime security state is correct while the saved device identity needed after reboot was never updated during a failover rehearsalOperations look healthy until a restart makes the old hardware identity matter again. Normal traffic masked the issue until the standby or alternate path became active under rehearsal conditions.NetworkIntermediate17 minProK8S-130cert-manager renews the Secret, but the mounted Java keystore never reloads and TLS clients keep seeing the expired chainThe cluster certificate resource is healthy, yet the workload runtime still serves stale credentials from an application-level cache.KubernetesAdvanced18 minProCICD-017Unsigned images get mixed in and are blocked by the deployment approval policyA situation where the security policy is correct but a missing image-signing scheme blocks releases for only certain services.CI/CDIntermediate21 minProNETWORK-028TLS handshake fails only through one CDN POPTLS handshake fails only (Certificate Trust Failure) is a hands-on troubleshooting drill. Most regions succeed, but a single edge location negotiates an older TLS path and breaks the request. Azure Firewall and Proxy Paths needs to be checked by narrowing scope, recent change,...NetworkIntermediate22 minProK8S-070metrics-server loses the aggregated API after the front-proxy CA bundle driftsThe pod is running, but autoscaling and kubectl top fail because the aggregated API trust chain no longer matches the API server front-proxy configuration.KubernetesAdvanced23 minProK8S-065One node rejects new podsThe node still reports in, but admission and management paths fail because kubelet trust renewal broke when time drift invalidated the rotation flow.KubernetesAdvanced25 minPro