transparent load balancers

October 25, 2018 489 views
Load Balancing

It seems DOs Loadbalancers do not honor “externalTrafficPolicy: Local” Setting in Kubernetes Service definition.
With this setting in GKE, the original client IP Adress is contained in the TCP Source IP Header. With DOs Loadbalancers, that is not the case.

How can I preserve the original client IP Adress when using SSL Passthrough (where you cannot modify the HTTP Headers and therefore X-Forwarded-For is not an option)?

type: LoadBalancer
externalTrafficPolicy: Local # preserves source ip

  • name: ambassador-plain port: 80
  • name: ambassador-tls port: 443
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