This Month in Datadog - February 2025
Summary
The article details common misconfigurations in Cilium network policies that inadvertently block legitimate traffic. Specifically, it highlights issues with selectors not matching pods, using overly restrictive egress policies, forgetting to allow DNS traffic, and improper use of L7 policies causing performance bottlenecks. Correctly configuring these areas is crucial for ensuring application connectivity and stability when using Cilium for networking and security.
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This article originally appeared on Datadog | The Monitor blog.
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