Technologies/Istio/istio_citadel_server_authentication_failure
IstioIstioMetric

istio_citadel_server_authentication_failure

[OpenMetrics V1 and V2] The number of authentication failures.
Dimensions:None
Available on:DatadogDatadog (1)
Interface Metrics (1)
DatadogDatadog
[OpenMetrics V1 and V2] The number of authentication failures.
Dimensions:None
Sources
istio.citadel.server.authentication_failure_countgithub.com
Related Insights (1)
mTLS Certificate Expiration Cascadecritical

Expired or failing-to-rotate certificates cause widespread service-to-service authentication failures, resulting in complete traffic loss between services when mTLS is in STRICT mode.

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