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        • Before you begin
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      • Certificate Management
        • Plug in CA Certificates
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      • Enabling Rate Limits using Envoy
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      • Telemetry API *
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        • Configure tracing using MeshConfig and Pod annotations
        • Lightstep
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    • Extensibility
      • Distributing WebAssembly Modules *
  • Examples
    • Bookinfo Application
    • Bookinfo with a Virtual Machine
    • Learn Microservices using Kubernetes and Istio
      • Prerequisites
      • Set up a Kubernetes Cluster
      • Set up a Local Computer
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      • Test in production
      • Add a new version of reviews
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      • Configure Istio Ingress Gateway
      • Monitoring with Istio
  • Operations
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    • Configuration
      • Mesh Configuration
        • Dynamic Admission Webhooks Overview
        • Wait on Resource Status for Applied Configuration
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      • Traffic Management
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        • DNS
        • Configuring Gateway Network Topology *
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      • Security
        • Security policy examples
        • Harden Docker Container Images *
      • Observability
        • Envoy Statistics
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      • Extensibility
        • Pull Policy for WebAssembly Modules *
    • Best Practices
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    • Common Problems
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      • Sidecar Injection Problems
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    • Diagnostic Tools
      • Using the Istioctl Command-line Tool
      • Debugging Envoy and Istiod
      • Understand your Mesh with Istioctl Describe
      • Diagnose your Configuration with Istioctl Analyze
      • Verifying Istio Sidecar Injection with Istioctl Check-Inject
      • Istiod Introspection
      • Component Logging
      • Debugging Virtual Machines
      • Troubleshooting Multicluster
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    • Ambient Mesh
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    • Integrations
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  • Reference
    • Configuration
      • Telemetry
      • Analysis Messages
      • Global Mesh Options
      • IstioOperator Options
      • Configuration Status Field
      • Proxy Extensions
        • Wasm Plugin
        • AccessLogPolicy Config
        • Metadata Exchange Config
        • Stackdriver Config
        • Wasm-based Telemetry *
      • Traffic Management
        • Destination Rule
        • Envoy Filter
        • Gateway
        • ProxyConfig
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        • Virtual Service
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        • Workload Group
      • Security
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        • Authorization Policy Conditions
        • Authorization Policy Normalization
      • Common Types
        • Workload Selector
      • Istio Standard Metrics
      • Resource Annotations
      • Resource Labels
      • Configuration Analysis Messages
        • AlphaAnnotation
        • Analyzer Message Format
        • ConflictingMeshGatewayVirtualServiceHosts
        • ConflictingSidecarWorkloadSelectors
        • ConflictingTelemetryWorkloadSelectors
        • DeploymentAssociatedToMultipleServices
        • DeploymentConflictingPorts
        • DeploymentRequiresServiceAssociated
        • Deprecated
        • DeprecatedAnnotation
        • EnvoyFilterUsesAddOperationIncorrectly
        • EnvoyFilterUsesRelativeOperation
        • EnvoyFilterUsesRelativeOperationWithProxyVersion
        • EnvoyFilterUsesRemoveOperationIncorrectly
        • EnvoyFilterUsesReplaceOperationIncorrectly
        • ExternalNameServiceTypeInvalidPortName
        • GatewayPortNotOnWorkload
        • InternalError
        • InvalidAnnotation
        • InvalidApplicationUID
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        • InvalidRegexp
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        • JwtFailureDueToInvalidServicePortPrefix
        • LocalhostListener
        • MisplacedAnnotation
        • MTLSPolicyConflict
        • MultipleSidecarsWithoutWorkloadSelectors
        • MultipleTelemetriesWithoutWorkloadSelectors
        • NamespaceMultipleInjectionLabels
        • NamespaceNotInjected
        • NoMatchingWorkloadsFound
        • NoServerCertificateVerificationDestinationLevel
        • NoServerCertificateVerificationPortLevel
        • PodMissingProxy
        • PodsIstioProxyImageMismatchInNamespace
        • PortNameIsNotUnderNamingConvention
        • ReferencedResourceNotFound
        • SchemaValidationError
        • ServiceEntryAddressesRequired
        • UnknownAnnotation
        • VirtualServiceDestinationPortSelectorRequired
        • VirtualServiceHostNotFoundInGateway
        • VirtualServiceIneffectiveMatch
        • VirtualServiceUnreachableRule
    • Commands
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      • pilot-discovery
    • Glossary
  1. Documentation
  2. Reference
  3. Configuration
  4. Proxy Extensions

Proxy Extensions

Describes how to configure Istio proxy extensions.

AccessLogPolicy Config

Configuration for AccessLogPolicy Filter.

Metadata Exchange Config

Configuration for Metadata Exchange Filter.

Stackdriver Config

Configuration for Stackdriver filter.

Wasm-based Telemetry

How to enable telemetry generation with the Wasm runtime.

Wasm Plugin

Extend the functionality provided by the Istio proxy through WebAssembly filters.

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