---
title: "mtls"
lang: "en"
author: "Mohammad Abu Mattar"
canonical: https://mkabumattar.com/incidents/tags/mtls
---

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# #Mtls

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## [Two Outages Where We Told Envoy Something We Did Not Mean](/incidents/post/mesh-config-ordering-outages)

-   Sev2
-   [Reliability](/incidents/categories/reliability)
-   [Kubernetes](/incidents/categories/kubernetes)
-   21 Oct 2026

A service mesh caused two outages, both self-inflicted and both configuration rather than software: a VirtualService applied before its DestinationRule, and a PeerAuthentication scoped to the wrong namespace.

[#Postmortem](/incidents/tags/postmortem)[#Service Mesh](/incidents/tags/service-mesh)[#Istio](/incidents/tags/istio)+2 tags

[Read Postmortem](/incidents/post/mesh-config-ordering-outages)