last sync: 2020-Sep-30 14:32:32 UTC

Azure Policy

Windows machines should meet requirements for 'Administrative Templates - Network'

Policy DisplayName Windows machines should meet requirements for 'Administrative Templates - Network'
Policy Id 67e010c1-640d-438e-a3a5-feaccb533a98
Policy Category Guest Configuration
Policy Description Windows machines should have the specified Group Policy settings in the category 'Administrative Templates - Network' for guest logons, simultaneous connections, network bridge, ICS, and multicast name resolution. This policy requires that the Guest Configuration prerequisites have been deployed to the policy assignment scope. For details, visit https://aka.ms/gcpol.
Policy Mode Indexed
Policy Type BuiltIn
Policy in Preview FALSE
Policy Deprecated FALSE
Policy Effect Default: AuditIfNotExists
Allowed: (AuditIfNotExists,Disabled)
Roles used none
Policy Changes
Date/Time (UTC ymd) (i) Change Change detail
2020-09-15 14:06:41 change: DisplayName previous DisplayName: [Preview]: Windows machines should meet requirements for 'Administrative Templates - Network'
2020-08-20 14:05:01 add: Policy 67e010c1-640d-438e-a3a5-feaccb533a98
Used in Policy Initiative(s)
Initiative DisplayName Initiative Id
[Preview]: Azure Security Benchmark 42a694ed-f65e-42b2-aa9e-8052e9740a92
HITRUST/HIPAA a169a624-5599-4385-a696-c8d643089fab
[Preview]: Windows machines should meet requirements for the Azure security baseline be7a78aa-3e10-4153-a5fd-8c6506dbc821
Policy Rule
{
  "properties": {
    "displayName": "Windows machines should meet requirements for 'Administrative Templates - Network'",
    "policyType": "BuiltIn",
    "mode": "Indexed",
    "description": "Windows machines should have the specified Group Policy settings in the category 'Administrative Templates - Network' for guest logons, simultaneous connections, network bridge, ICS, and multicast name resolution. This policy requires that the Guest Configuration prerequisites have been deployed to the policy assignment scope. For details, visit https://aka.ms/gcpol.",
    "metadata": {
      "category": "Guest Configuration",
      "version": "2.0.0",
      "requiredProviders": [
        "Microsoft.GuestConfiguration"
      ],
      "guestConfiguration": {
        "name": "AzureBaseline_AdministrativeTemplatesNetwork",
        "version": "1.*",
        "configurationParameter": {
          "EnableInsecureGuestLogons": "Enable insecure guest logons;ExpectedValue",
          "AllowSimultaneousConnectionsToTheInternetOrAWindowsDomain": "Minimize the number of simultaneous connections to the Internet or a Windows Domain;ExpectedValue",
          "TurnOffMulticastNameResolution": "Turn off multicast name resolution;ExpectedValue"
        }
      }
    },
    "parameters": {
      "IncludeArcMachines": {
        "type": "String",
        "metadata": {
          "displayName": "Include Arc connected servers",
          "description": "By selecting this option, you agree to be charged monthly per Arc connected machine."
        },
        "allowedValues": [
          "true",
          "false"
        ],
        "defaultValue": "false"
      },
      "EnableInsecureGuestLogons": {
        "type": "String",
        "metadata": {
          "displayName": "Enable insecure guest logons",
          "description": "Specifies whether the SMB client will allow insecure guest logons to an SMB server."
        },
        "defaultValue": "0"
      },
      "AllowSimultaneousConnectionsToTheInternetOrAWindowsDomain": {
        "type": "String",
        "metadata": {
          "displayName": "Allow simultaneous connections to the Internet or a Windows Domain",
          "description": "Specify whether to prevent computers from connecting to both a domain based network and a non-domain based network at the same time. A value of 0 allows simultaneous connections, and a value of 1 blocks them."
        },
        "defaultValue": "1"
      },
      "TurnOffMulticastNameResolution": {
        "type": "String",
        "metadata": {
          "displayName": "Turn off multicast name resolution",
          "description": "Specifies whether LLMNR, a secondary name resolution protocol that transmits using multicast over a local subnet link on a single subnet, is enabled."
        },
        "defaultValue": "1"
      },
      "effect": {
        "type": "String",
        "metadata": {
          "displayName": "Effect",
          "description": "Enable or disable the execution of this policy"
        },
        "allowedValues": [
          "AuditIfNotExists",
          "Disabled"
        ],
        "defaultValue": "AuditIfNotExists"
      }
    },
    "policyRule": {
      "if": {
        "anyOf": [
          {
            "allOf": [
              {
                "field": "type",
                "equals": "Microsoft.Compute/virtualMachines"
              },
              {
                "anyOf": [
                  {
                    "field": "Microsoft.Compute/imagePublisher",
                    "in": [
                      "esri",
                      "incredibuild",
                      "MicrosoftDynamicsAX",
                      "MicrosoftSharepoint",
                      "MicrosoftVisualStudio",
                      "MicrosoftWindowsDesktop",
                      "MicrosoftWindowsServerHPCPack"
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "MicrosoftWindowsServer"
                      },
                      {
                        "field": "Microsoft.Compute/imageSKU",
                        "notLike": "2008*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "MicrosoftSQLServer"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "notLike": "SQL2008*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "microsoft-dsvm"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "equals": "dsvm-windows"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "microsoft-ads"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "in": [
                          "standard-data-science-vm",
                          "windows-data-science-vm"
                        ]
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "batch"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "equals": "rendering-windows2016"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "center-for-internet-security-inc"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "like": "cis-windows-server-201*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "pivotal"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "like": "bosh-windows-server*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "cloud-infrastructure-services"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "like": "ad*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "anyOf": [
                          {
                            "field": "Microsoft.Compute/virtualMachines/osProfile.windowsConfiguration",
                            "exists": "true"
                          },
                          {
                            "field": "Microsoft.Compute/virtualMachines/storageProfile.osDisk.osType",
                            "like": "Windows*"
                          }
                        ]
                      },
                      {
                        "anyOf": [
                          {
                            "field": "Microsoft.Compute/imageSKU",
                            "exists": "false"
                          },
                          {
                            "allOf": [
                              {
                                "field": "Microsoft.Compute/imageSKU",
                                "notLike": "2008*"
                              },
                              {
                                "field": "Microsoft.Compute/imageOffer",
                                "notLike": "SQL2008*"
                              }
                            ]
                          }
                        ]
                      }
                    ]
                  }
                ]
              }
            ]
          },
          {
            "allOf": [
              {
              "value": "[parameters('IncludeArcMachines')]",
                "equals": "true"
              },
              {
                "field": "type",
                "equals": "Microsoft.HybridCompute/machines"
              },
              {
                "field": "Microsoft.HybridCompute/imageOffer",
                "like": "windows*"
              }
            ]
          }
        ]
      },
      "then": {
      "effect": "[parameters('effect')]",
        "details": {
          "type": "Microsoft.GuestConfiguration/guestConfigurationAssignments",
          "name": "AzureBaseline_AdministrativeTemplatesNetwork",
          "existenceCondition": {
            "allOf": [
              {
                "field": "Microsoft.GuestConfiguration/guestConfigurationAssignments/complianceStatus",
                "equals": "Compliant"
              },
              {
                "field": "Microsoft.GuestConfiguration/guestConfigurationAssignments/parameterHash",
              "equals": "[base64(concat('Enable insecure guest logons;ExpectedValue', '=', parameters('EnableInsecureGuestLogons'), ',', 'Minimize the number of simultaneous connections to the Internet or a Windows Domain;ExpectedValue', '=', parameters('AllowSimultaneousConnectionsToTheInternetOrAWindowsDomain'), ',', 'Turn off multicast name resolution;ExpectedValue', '=', parameters('TurnOffMulticastNameResolution')))]"
              }
            ]
          }
        }
      }
    }
  },
  "id": "/providers/Microsoft.Authorization/policyDefinitions/67e010c1-640d-438e-a3a5-feaccb533a98",
  "type": "Microsoft.Authorization/policyDefinitions",
  "name": "67e010c1-640d-438e-a3a5-feaccb533a98"
}