output/20260723_081532/govviz/ALZ_20260723_081601/Enterprise-Scale/src/resources/Microsoft.Authorization/policyDefinitions/Deny-EH-minTLS.json

{
  "name": "Deny-EH-minTLS",
  "type": "Microsoft.Authorization/policyDefinitions",
  "apiVersion": "2021-06-01",
  "scope": null,
  "properties": {
    "policyType": "Custom",
    "mode": "All",
    "displayName": "Event Hub namespaces should use a valid TLS version",
    "description": "Event Hub namespaces should use a valid TLS version.",
    "metadata": {
      "version": "1.1.2",
      "category": "Event Hub",
      "source": "https://github.com/Azure/Enterprise-Scale/",
      "alzCloudEnvironments": [
        "AzureCloud",
        "AzureChinaCloud",
        "AzureUSGovernment"
      ]
    },
    "parameters": {
      "effect": {
        "type": "String",
        "allowedValues": [
          "Audit",
          "Deny",
          "Disabled"
        ],
        "defaultValue": "Deny",
        "metadata": {
          "displayName": "Effect",
          "description": "Enable or disable the execution of the policy"
        }
      },
      "minTlsVersion": {
        "type": "string",
        "metadata": {
          "displayName": "Minimum TLS Version",
          "description": "Minimum TLS version to be used by Event Hub"
        },
        "defaultValue": "1.2"
      }
    },
    "policyRule": {
      "if": {
        "allOf": [
          {
            "field": "type",
            "equals": "Microsoft.EventHub/namespaces"
          },
          {
            "anyOf": [
              {
                "field": "Microsoft.EventHub/namespaces/minimumTlsVersion",
                "less": "[[parameters('minTlsVersion')]"
              },
              {
                "field": "Microsoft.EventHub/namespaces/minimumTlsVersion",
                "exists": "false"
              }
            ]
          }
        ]
      },
      "then": {
        "effect": "[[parameters('effect')]"
      }
    }
  }
}