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Flutter – Envoy + grpc: Request header field x-user-agent is not allowed by Access-Control-Allow-Headers in preflight response

I have this issue: Access to XMLHttpRequest at 'https://example.org:8443/main.MyService/Ping' from origin 'https://example.org' has been blocked by CORS policy: Request header field x-user-agent is not allowed by Access-Control-Allow-Headers in preflight response. My envoy: # Admin settings admin: access_log_path: /tmp/admin_access.log address: socket_address:…

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Redis – EnvoyProxy Rate Limit Not Working in Istio 1.7

I'm not able to see rate limit applied in istio 1.7 by applying the following scripts. --- apiVersion: v1 kind: Namespace metadata: name: sock-shop labels: istio-injection: enabled apiVersion: networking.istio.io/v1alpha3 kind: EnvoyFilter metadata: name: filter-ratelimit namespace: istio-system spec: workloadSelector: labels: istio:…

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