Set Traefik externalTrafficPolicy=Local to preserve client IP

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18 апреля 2026 г. в 01:59 UTC

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Kamo

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11dd645

With the default "Cluster" policy, kube-proxy SNATs external traffic to the node IP before forwarding to Traefik. That caused Traefik to see the node IP as the source and put it in X-Forwarded-For, which broke IP-based geo lookup in kamo-analytics (visitor locations on world map stayed empty). "Local" policy skips SNAT and passes the original client IP through, which is what IP-based analytics needs.