","upvoteCount":1,"answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"

No, this is not possible. Perhaps you want to use exportTo though? https://istio.io/latest/docs/ops/configuration/mesh/configuration-scoping/#exportto

","upvoteCount":1,"url":"https://github.com/istio/istio/discussions/53890#discussioncomment-11270030"}}}

[Sidecar] Can I use Sidecar CRD to exclude some hosts? #53890

Answered by howardjohn

xjtupdy asked this question in Q&A

[Sidecar] Can I use Sidecar CRD to exclude some hosts? #53890

xjtupdy

Nov 14, 2024 · 1 comment

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xjtupdy

Nov 14, 2024

IstioEgressListener can only allow some hosts by [hosts]? Is it possible to allow all hosts except some services in config? a hypothetical example may be: apiVersion: networking.istio.io/v1beta1 kind: Sidecar metadata: name: exclude-nginx namespace: sample spec: egress: - hosts: - "*/*" - "-sample/nginx.sample.svc.cluster.local"

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Answered by howardjohn Nov 15, 2024

No, this is not possible. Perhaps you want to use exportTo though? https://istio.io/latest/docs/ops/configuration/mesh/configuration-scoping/#exportto

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howardjohn

Nov 15, 2024

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No, this is not possible. Perhaps you want to use exportTo though? https://istio.io/latest/docs/ops/configuration/mesh/configuration-scoping/#exportto

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