pilot:
  env:
    # 1.21 behavioral changes
    ENABLE_EXTERNAL_NAME_ALIAS: "false"
    PERSIST_OLDEST_FIRST_HEURISTIC_FOR_VIRTUAL_SERVICE_HOST_MATCHING: "true"
    VERIFY_CERTIFICATE_AT_CLIENT: "false"
    ENABLE_AUTO_SNI: "false"

    # 1.22 behavioral changes
    ENABLE_ENHANCED_RESOURCE_SCOPING: "false"
    ENABLE_RESOLUTION_NONE_TARGET_PORT: "false"

meshConfig:
  # 1.22 behavioral changes
  defaultConfig:

pilot:
  env:
    # 1.21 behavioral changes
    ENABLE_EXTERNAL_NAME_ALIAS: "false"
    PERSIST_OLDEST_FIRST_HEURISTIC_FOR_VIRTUAL_SERVICE_HOST_MATCHING: "true"
    VERIFY_CERTIFICATE_AT_CLIENT: "false"
    ENABLE_AUTO_SNI: "false"

    # 1.22 behavioral changes
    ENABLE_ENHANCED_RESOURCE_SCOPING: "false"
    ENABLE_RESOLUTION_NONE_TARGET_PORT: "false"

meshConfig:
  # 1.22 behavioral changes
  defaultConfig:

pilot:
  env:
    # 1.21 behavioral changes
    ENABLE_EXTERNAL_NAME_ALIAS: "false"
    PERSIST_OLDEST_FIRST_HEURISTIC_FOR_VIRTUAL_SERVICE_HOST_MATCHING: "true"
    VERIFY_CERTIFICATE_AT_CLIENT: "false"
    ENABLE_AUTO_SNI: "false"

    # 1.22 behavioral changes
    ENABLE_ENHANCED_RESOURCE_SCOPING: "false"
    ENABLE_RESOLUTION_NONE_TARGET_PORT: "false"

meshConfig:
  # 1.22 behavioral changes
  defaultConfig:

pilot:
  env:
    # 1.21 behavioral changes
    ENABLE_EXTERNAL_NAME_ALIAS: "false"
    PERSIST_OLDEST_FIRST_HEURISTIC_FOR_VIRTUAL_SERVICE_HOST_MATCHING: "true"
    VERIFY_CERTIFICATE_AT_CLIENT: "false"
    ENABLE_AUTO_SNI: "false"

    # 1.22 behavioral changes
    ENABLE_ENHANCED_RESOURCE_SCOPING: "false"
    ENABLE_RESOLUTION_NONE_TARGET_PORT: "false"

meshConfig:
  # 1.22 behavioral changes
  defaultConfig:

	if minor <= 21 {
		// ENHANCED_RESOURCE_SCOPING
		if err := checkPilot(cli, ctx.IstioNamespace(), &messages); err != nil {
			return nil, err
		}
	}
	if minor <= 20 {
		// VERIFY_CERTIFICATE_AT_CLIENT and ENABLE_AUTO_SNI
		if err := checkDestinationRuleTLS(cli, &messages); err != nil {
			return nil, err
		}
		// ENABLE_EXTERNAL_NAME_ALIAS
		if err := checkExternalNameAlias(cli, &messages); err != nil {
			return nil, err

		"If true, pilot will configure an additional IPv4 listener for outbound traffic in IPv6 only clusters, e.g. AWS EKS IPv6 only clusters.").Get()

	EnableAutoSni = env.Register("ENABLE_AUTO_SNI", true,
		"If enabled, automatically set SNI when `DestinationRules` do not specify the same").Get()

	VerifyCertAtClient = env.Register("VERIFY_CERTIFICATE_AT_CLIENT", true,

meshConfig: defaultConfig: proxyMetadata: ISTIO_META_ENABLE_HBONE: "true" variant: distroless pilot: variant: distroless env: # Setup more secure default that is off in 'default' only for backwards compatibility VERIFY_CERTIFICATE_AT_CLIENT: "true" ENABLE_AUTO_SNI: "true" PILOT_ENABLE_HBONE: "true" CA_TRUSTED_NODE_ACCOUNTS: "istio-system/ztunnel,kube-system/ztunnel" PILOT_ENABLE_AMBIENT_CONTROLLERS: "true" cni: logLevel: info privileged: true ambient: enabled: true # Default excludes istio-system; its actually...