last sync: 2021-Nov-26 17:15:01 UTC

Azure Policy definition

IP Forwarding on your virtual machine should be disabled

Name IP Forwarding on your virtual machine should be disabled
Azure Portal
Id bd352bd5-2853-4985-bf0d-73806b4a5744
Version 3.0.0
details on versioning
Category Security Center
Microsoft docs
Description Enabling IP forwarding on a virtual machine's NIC allows the machine to receive traffic addressed to other destinations. IP forwarding is rarely required (e.g., when using the VM as a network virtual appliance), and therefore, this should be reviewed by the network security team.
Mode All
Type BuiltIn
Preview FALSE
Deprecated FALSE
Effect Default: AuditIfNotExists
Allowed: (AuditIfNotExists, Disabled)
Used RBAC Role none
History
Date/Time (UTC ymd) (i) Change type Change detail
2021-01-05 16:06:49 change Major (2.0.0 > 3.0.0)
2020-06-01 18:36:18 change Previous DisplayName: [Preview]: IP Forwarding on your virtual machine should be disabled
Used in Initiatives
Initiative DisplayName Initiative Id Initiative Category State
[Deprecated]: Azure Security Benchmark v1 42a694ed-f65e-42b2-aa9e-8052e9740a92 Regulatory Compliance Deprecated
[Deprecated]: Azure Security Benchmark v2 bb522ac1-bc39-4957-b194-429bcd3bcb0b Regulatory Compliance Deprecated
[Preview]: Motion Picture Association of America (MPAA) 92646f03-e39d-47a9-9e24-58d60ef49af8 Regulatory Compliance Preview
Azure Security Benchmark 1f3afdf9-d0c9-4c3d-847f-89da613e70a8 Security Center GA
FedRAMP High d5264498-16f4-418a-b659-fa7ef418175f Regulatory Compliance GA
FedRAMP Moderate e95f5a9f-57ad-4d03-bb0b-b1d16db93693 Regulatory Compliance GA
New Zealand ISM Restricted d1a462af-7e6d-4901-98ac-61570b4ed22a Regulatory Compliance GA
NIST SP 800-53 Rev. 4 cf25b9c1-bd23-4eb6-bd2c-f4f3ac644a5f Regulatory Compliance GA
NIST SP 800-53 Rev. 5 179d1daa-458f-4e47-8086-2a68d0d6c38f Regulatory Compliance GA
JSON Changes

JSON
{
  "displayName": "IP Forwarding on your virtual machine should be disabled",
  "policyType": "BuiltIn",
  "mode": "All",
  "description": "Enabling IP forwarding on a virtual machine's NIC allows the machine to receive traffic addressed to other destinations. IP forwarding is rarely required (e.g., when using the VM as a network virtual appliance), and therefore, this should be reviewed by the network security team.",
  "metadata": {
    "version": "3.0.0",
    "category": "Security Center"
  },
  "parameters": {
    "effect": {
      "type": "String",
      "metadata": {
        "displayName": "Effect",
        "description": "Enable or disable the execution of the policy"
      },
      "allowedValues": [
        "AuditIfNotExists",
        "Disabled"
      ],
      "defaultValue": "AuditIfNotExists"
    }
  },
  "policyRule": {
    "if": {
      "field": "type",
      "in": [
        "Microsoft.Compute/virtualMachines",
        "Microsoft.ClassicCompute/virtualMachines"
      ]
    },
    "then": {
      "effect": "[parameters('effect')]",
      "details": {
        "type": "Microsoft.Security/assessments",
        "name": "c3b51c94-588b-426b-a892-24696f9e54cc",
        "existenceCondition": {
          "field": "Microsoft.Security/assessments/status.code",
          "in": [
            "NotApplicable",
            "Healthy"
          ]
        }
      }
    }
  }
}