Bicep Module Documentation
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Module firewall
firewall
| Property | Value | Description |
|---|---|---|
| general (required) | general | |
| sku | 'Basic' 'Premium' 'Standard' |
Sku of the firewall (default: Standard) |
| zones | string[] | Zones where the firewall should be deployed [Array of strings] |
| firewallPolicy | firewallPolicy | The firewall policy to be created |
| firewallPolicyId | string | Firewall policy id associated with the firewall |
| firewallSubnetId | string | Subnet to associate with the firewall must be called AzureFirewallSubnet which is atleast a /26 or bigger [ResourceId] |
| amountOfPublicIPAddresses | int | Amount of public IP addresses assigned to the firewall (default: 1) [integer] |
| ddosProtectionMode | 'Disabled' 'Enabled' 'VirtualNetworkInherited' |
DDoS Protection plan for public IP, Enabled = configure per IP (default = VirtualNetworkInherited) |
| firewallManagementSubnetId | string | Subnet to associate with the firewall must be called AzureFirewallManagementSubnet which is atleast a /26 or bigger [ResourceId] |
| diagnosticSettings | diagnosticSetting[] | Dianostic Settings for the resource |
| virtualWANSettings | virtualWANSettings | The virtual WAN settings for this firewall, only possible when usecase is set to AZFW_Hub |
virtualWANSettings
| Property | Value | Description |
|---|---|---|
| privateIP | string | Private IP of the firewall inside the VWAN Hub [IP Address] |
| amountOfPublicIPAddresses | int | Amount of public IP addresses assigned to the firewall (default: 1) [integer] |
| publicIPAddresses | string[] | The list of Public IP addresses associated with azure firewall or IP addresses to be retained [Array of IP Addresses] |
diagnosticLogSettings
Set the resourceType property to specify the type of object.
For Custom, use:
| Property | Value | Description |
|---|---|---|
| resourceType (required) | 'Custom' | |
| category | string | Name of a Diagnostic Log category for a resource type this setting is applied to. To obtain the list of Diagnostic Log categories for a resource, first perform a GET diagnostic settings operation. |
| categoryGroup | string | Name of a Diagnostic Log category group for a resource type this setting is applied to. To obtain the list of Diagnostic Log categories for a resource, first perform a GET diagnostic settings operation. |
| enabled | bool | a value indicating whether this log is enabled. (default: Enabled) |
| retentionPolicy | retentionPolicy | the retention policy for this log. |
Set the resourceType property to specify the type of object.
For App Service Plan, use:
| Property | Value | Description |
|---|---|---|
| resourceType (required) | 'App Service Plan' |
Set the resourceType property to specify the type of object.
For Azure Firewall, use:
| Property | Value | Description |
|---|---|---|
| resourceType (required) | 'Azure Firewall' | |
| category | 'AZFWApplicationRule' 'AZFWApplicationRuleAggregation' 'AZFWDnsQuery' 'AZFWFatFlow' 'AZFWFlowTrace' 'AZFWFqdnResolveFailure' 'AZFWIdpsSignature' 'AZFWNatRule' 'AZFWNatRuleAggregation' 'AZFWNetworkRule' 'AZFWNetworkRuleAggregation' 'AZFWThreatIntel' 'AzureFirewallApplicationRule' 'AzureFirewallDnsProxy' 'AzureFirewallNetworkRule' |
Name of a Diagnostic Log category for a resource type this setting is applied to. To obtain the list of Diagnostic Log categories for a resource, first perform a GET diagnostic settings operation. |
| categoryGroup | string | Name of a Diagnostic Log category group for a resource type this setting is applied to. To obtain the list of Diagnostic Log categories for a resource, first perform a GET diagnostic settings operation. |
| enabled | bool | a value indicating whether this log is enabled. (default: Enabled) |
| retentionPolicy | retentionPolicy | the retention policy for this log. |
Set the resourceType property to specify the type of object.
For Application Gateway, use:
| Property | Value | Description |
|---|---|---|
| resourceType (required) | 'Application Gateway' | |
| category | 'ApplicationGatewayAccessLog' 'ApplicationGatewayFirewallLog' 'ApplicationGatewayPerformanceLog' |
Name of a Diagnostic Log category for a resource type this setting is applied to. To obtain the list of Diagnostic Log categories for a resource, first perform a GET diagnostic settings operation. |
| categoryGroup | string | Name of a Diagnostic Log category group for a resource type this setting is applied to. To obtain the list of Diagnostic Log categories for a resource, first perform a GET diagnostic settings operation. |
| enabled | bool | a value indicating whether this log is enabled. (default: Enabled) |
| retentionPolicy | retentionPolicy | the retention policy for this log. |
retentionPolicy
| Property | Value | Description |
|---|---|---|
| days (required) | int | the number of days for the retention in days. A value of 0 will retain the events indefinitely. |
| enabled (required) | bool | a value indicating whether the retention policy is enabled. |
diagnosticMetricSettings
Set the resourceType property to specify the type of object.
For Custom, use:
| Property | Value | Description |
|---|---|---|
| resourceType (required) | 'Custom' | |
| category | string | Name of a Diagnostic Metric category for a resource type this setting is applied to. To obtain the list of Diagnostic metric categories for a resource, first perform a GET diagnostic settings operation. |
| enabled (required) | bool | a value indicating whether this category is enabled. (default: Enabled) |
| retentionPolicy | retentionPolicy | the retention policy for this category. |
| timeGrain | string | the timegrain of the metric in ISO8601 format. |
Set the resourceType property to specify the type of object.
For App Service Plan, use:
| Property | Value | Description |
|---|---|---|
| resourceType (required) | 'App Service Plan' | |
| category (required) | 'AllMetrics' | Name of a Diagnostic Metric category for a resource type this setting is applied to. To obtain the list of Diagnostic metric categories for a resource, first perform a GET diagnostic settings operation. |
| enabled | bool | a value indicating whether this category is enabled. (default: Enabled) |
| retentionPolicy | retentionPolicy | the retention policy for this category. |
| timeGrain | string | the timegrain of the metric in ISO8601 format. |
Set the resourceType property to specify the type of object.
For Azure Firewall, use:
| Property | Value | Description |
|---|---|---|
| resourceType (required) | 'Azure Firewall' | |
| category (required) | 'AllMetrics' | Name of a Diagnostic Metric category for a resource type this setting is applied to. To obtain the list of Diagnostic metric categories for a resource, first perform a GET diagnostic settings operation. |
| enabled | bool | a value indicating whether this category is enabled. (default: Enabled) |
| retentionPolicy | retentionPolicy | the retention policy for this category. |
| timeGrain | string | the timegrain of the metric in ISO8601 format. |
Set the resourceType property to specify the type of object.
For Application Gateway, use:
| Property | Value | Description |
|---|---|---|
| resourceType (required) | 'Application Gateway' | |
| category (required) | 'AllMetrics' | Name of a Diagnostic Metric category for a resource type this setting is applied to. To obtain the list of Diagnostic metric categories for a resource, first perform a GET diagnostic settings operation. |
| enabled | bool | a value indicating whether this category is enabled. (default: Enabled) |
| retentionPolicy | retentionPolicy | the retention policy for this category. |
| timeGrain | string | the timegrain of the metric in ISO8601 format. |
applicationRule
| Property | Value | Description |
|---|---|---|
| kind (required) | 'ApplicationRule' | |
| name (required) | string | Name of the firewall rule |
| httpHeaders | httpHeader[] | List of HTTP/S headers to insert |
| sourceAddresses | string[] | List of source IP addresses for this rule, can be * for any |
| sourceIpGroups | string[] | List of source IpGroups for this rule [Array of ResourceIds] |
| destinationAddresses | string[] | List of destination IP addresse or service tags, can be * for any (found here: https://learn.microsoft.com/en-us/rest/api/virtualnetwork/service-tags/list?tabs=HTTP#code-try-0) for this rule |
| fqdnTags | string[] | List of FQDN Tags for this rule (found here: https://learn.microsoft.com/en-us/rest/api/firewall/azure-firewall-fqdn-tags/list-all?tabs=HTTP#code-try-0) |
| targetFqdns | string[] | List of FQDNs for this rule |
| targetUrls | string[] | List of Urls for this rule [Premium tier only] |
| protocols (required) | protocol[] | List of Application Protocols |
| terminateTLS | bool | Terminate TLS connections for this rule |
| webCategories | string[] | List of destination azure web categories (found here: https://learn.microsoft.com/en-us/rest/api/virtualnetwork/web-categories/list-by-subscription?tabs=HTTP#code-try-0) |
firewallPolicyIntrusionDetectionBypassTrafficSpecification
| Property | Value | Description |
|---|---|---|
| description (required) | string | Description of the bypass traffic rule. |
| destinationAddresses | string[] | List of destination IP addresses or ranges for this rule. |
| destinationIpGroups | string[] | List of destination IpGroups for this rule. |
| destinationPorts (required) | string[] | List of destination ports or ranges. |
| name (required) | string | Name of the bypass traffic rule. |
| protocol (required) | 'ANY' 'ICMP' 'TCP' 'UDP' |
The rule bypass protocol. |
| sourceAddresses | string[] | List of source IP addresses or ranges for this rule. |
| sourceIpGroups | string[] | List of source IpGroups for this rule. |
firewallRule
Set the kind property to specify the type of object.
For ApplicationRule, use:
| Property | Value | Description |
|---|
Set the kind property to specify the type of object.
For NetworkRule, use:
| Property | Value | Description |
|---|
Set the kind property to specify the type of object.
For NatRule, use:
| Property | Value | Description |
|---|
firewallRuleCollection
| Property | Value | Description |
|---|---|---|
| name (required) | string | Name of the firewall rule collection |
| action (required) | 'Allow' 'DNAT' 'Deny' |
Firewall rule collection action can be Allow, Deny or DNAT depending on the type of rule collection |
| priority | int | Firewall rule collection priority, lower is processed earlier [integer 100-65000] |
| rules | firewallRule[] | Firewall rules contained in the collection |
firewallRuleCollectionGroup
| Property | Value | Description |
|---|---|---|
| name (required) | string | Name of the firewall rule collection group |
| priority (required) | int | Firewall rule collection group priority, lower is processed earlier [integer 100-65000] |
| ruleCollections (required) | firewallRuleCollection[] | Firewall rule collections contained in the group |
httpHeader
| Property | Value | Description |
|---|---|---|
| headerName (required) | string | The name of the header which should be injected |
| headerValue (required) | string | The value of the header which should be injected |
ipProtocol
irewallPolicyIntrusionDetectionSignatureSpecification
| Property | Value | Description |
|---|---|---|
| id (required) | string | Signature id. |
| mode (required) | 'Alert' 'Deny' 'Off' |
The signature state. |
natRule
| Property | Value | Description |
|---|---|---|
| kind (required) | 'NatRule' | |
| name (required) | string | Name of the firewall rule |
| sourceAddresses | string[] | List of source IP addresses for this rule, can be * for any |
| sourceIpGroups | string[] | List of source IpGroups for this rule [Array of ResourceIds] |
| destinationAddresses (required) | string[] | List of destination IP addresse or service tags, can be * for any (found here: https://learn.microsoft.com/en-us/rest/api/virtualnetwork/service-tags/list?tabs=HTTP#code-try-0) for this rule |
| destinationPorts (required) | string[] | List of destination ports |
| ipProtocols | ipProtocol[] | List of FirewallPolicyRuleNetworkProtocols (default: Any) |
| translatedAddress | string | The translated address for this NAT rule, which should be of the pool of the firewall / virtual wan |
| translatedFqdn | string | The translated FQDN for this NAT rule |
| translatedPort (required) | string | The translated port for this NAT rule |
networkRule
| Property | Value | Description |
|---|---|---|
| kind (required) | 'NetworkRule' | |
| name (required) | string | Name of the firewall rule |
| sourceAddresses | string[] | List of source IP addresses for this rule, can be * for any |
| sourceIpGroups | string[] | List of source IpGroups for this rule [Array of ResourceIds] |
| destinationAddresses | string[] | List of destination IP addresse or service tags, can be * for any (found here: https://learn.microsoft.com/en-us/rest/api/virtualnetwork/service-tags/list?tabs=HTTP#code-try-0) for this rule |
| destinationIpGroups | string[] | List of destination IpGroups for this rule [Array of ResourceIds] |
| destinationPorts | string[] | List of destination ports |
| destinationFqdns | string[] | List of destination FQDNs [DNS Proxy enabled] |
| ipProtocols | ipProtocol[] | List of FirewallPolicyRuleNetworkProtocols (default: Any) |
protocol
| Property | Value | Description |
|---|---|---|
| port (required) | int | Port number for the protocol [integer 1-64000] |
| protocolType (required) | protocolType | IP protocol type |
protocolType
resourceLock
| Property | Value | Description |
|---|---|---|
| name | string | Character limit: 1-90. Valid characters: Alphanumerics, periods, underscores, hyphens, and parenthesis. Can't end in period. |
| level (required) | 'CanNotDelete' 'ReadOnly' |
The level of the lock. Possible values are: CanNotDelete and ReadOnly. CanNotDelete means authorized users are able to read and modify the resources, but not delete. ReadOnly means authorized users can only read from a resource, but they can't modify or delete it. Read-Only locks must be commented to be able to deploy again |
| notes | string | Notes about the lock. Maximum of 512 characters. |
| owners | resourceLockOwner[] | The owners of the lock |
resourceLockOwner
| Property | Value | Description |
|---|---|---|
| applicationId (required) | string | The application ID of the lock owner. |
roleAssignment
| Property | Value | Description |
|---|---|---|
| principalId (required) | string | The principal ID |
| roleDefinitionId (required) | string | The role definition ID, data file can be used for this |
| condition | string | Condition on the role assignment |
| conditionVersion | string | Version of the condition. Currently the only accepted value is "2.0" |
| delegatedManagedIdentityResourceId | string | Id of the delegated managed identity resource |
| description | string | Description of role assignment |
diagnosticSetting
| Property | Value | Description |
|---|---|---|
| name (required) | string | The resource name |
| eventHubAuthorizationRuleId | string | The resource Id for the event hub authorization rule. |
| eventHubName | string | The name of the event hub. If none is specified, the default event hub will be selected. |
| logAnalyticsDestinationType | string | A string indicating whether the export to Log Analytics should use the default destination type, i.e. AzureDiagnostics, or use a destination type constructed as follows: {normalized service identity}_{normalized category name}. Possible values are: Dedicated and null (null is default.) |
| logs | diagnosticLogSettings[] | The list of logs settings. |
| marketplacePartnerId | string | The full ARM resource ID of the Marketplace resource to which you would like to send Diagnostic Logs. |
| metrics | diagnosticMetricSettings[] | The list of metric settings. |
| serviceBusRuleId | string | The service bus rule Id of the diagnostic setting. This is here to maintain backwards compatibility. |
| storageAccountId | string | The resource ID of the storage account to which you would like to send Diagnostic Logs. |
| workspaceId | string | The full ARM resource ID of the Log Analytics workspace to which you would like to send Diagnostic Logs. Example: /subscriptions/4b9e8510-67ab-4e9a-95a9-e2f1e570ea9c/resourceGroups/insights-integration/providers/Microsoft.OperationalInsights/workspaces/viruela2 |
firewallPolicy
| Property | Value | Description |
|---|---|---|
| naming | naming | |
| deployAsDraft | bool | Deploy the policy as a firewall policy draft (default: false): |
- Do not use for creating new Rule Collection Groups
- Do not use for initial deployment
dnsProxyServers | string[] | Enabled DNS proxy function and sets the servers to proxy the DNS requests towards basePolicyId | string | Inherit rules from another firewall policy as a baseline [ResourceId] userAssignedManagedIdentityId | string | Use an user assigned managed identity instead or together with a system assigned managed identity to retrieve certificates from keyvault. Only vault access policy supported! [ResourceId] InsightsLogAnalyticsWorkspaceId | string | Send firewall policy insights to log analytics [ResourceId] transportSecuritySettings | transportSecuritySettings | Reference to the certificate authoritity to enable TLS inspection intrusionDetection | intrusionDetection | The configuration for Intrusion detection. threatIntel | threatIntel | ruleCollectionGroups | firewallRuleCollectionGroup[] |
transportSecuritySettings
| Property | Value | Description |
|---|---|---|
| keyvaultSecretId (required) | string | For transport security get a CA from a keyvault, requires vault access policies on the keyvault and managed identity permissions. The secret should be a base64 encoded unencrypted pfx [ResourceId] |
| keyvaultSecretName (required) | string | Certificate Authority name of the certificate stored in the keyvault |
configuration
| Property | Value | Description |
|---|---|---|
| privateRanges | string[] | IDPS Private IP address ranges are used to identify traffic direction (i.e. inbound, outbound, etc.). By default, only ranges defined by IANA RFC 1918 are considered private IP addresses. To modify default ranges, specify your Private IP address ranges with this property |
| bypassTrafficSettings | firewallPolicyIntrusionDetectionBypassTrafficSpecification[] | List of rules for traffic to bypass. |
| signatureOverrides | irewallPolicyIntrusionDetectionSignatureSpecification[] | List of specific signatures states. |
intrusionDetection
| Property | Value | Description |
|---|---|---|
| mode (required) | 'Alert' 'Deny' 'Off' |
Intrusion detection general state. When attached to a parent policy, the firewalls effective IDPS mode is the stricter mode of the two. |
| profile | 'Advanced' 'Basic' 'Extended' 'Standard' |
IDPS profile name. When attached to a parent policy, the firewalls effective profile is the profile name of the parent policy. |
| configuration | configuration | Intrusion detection configuration properties. |
threatIntel
| Property | Value | Description |
|---|---|---|
| Mode | 'Alert' 'Deny' 'Off' |
The operation mode for Threat Intelligence filtering (default: Deny) |
| fqdnsWhitelist | string[] | A list of FQDNs that will be skipped for threat detection [Array of FQDNS] |
| ipAddressesWhitelist | string[] | A list of IP addresses or CIDR ranges that will be skipped for threat detection [Array of CIDR notations] |
general
| Property | Value | Description |
|---|---|---|
| tags | object | Tags of the resource [hashtable] |
| location (required) | string | Location of the resource |
| naming (required) | naming | Naming module of the resource |
| resourceGroupName (required) | string | Name of the resource group where the resource should be located |
| sharedNaming (required) | naming | Reference to the default naming |
| roleAssignments | roleAssignment[] | Role assignments on the resource |
| resourceLocks | resourceLock[] | Resource Locks on the resource |
naming
| Property | Value | Description |
|---|---|---|
| forceFunctionAsFullName | bool | Use the function value as the full name of the resource |
| abbreviation | string | Override the abbreviation of this resource with this parameter |
| environment | string | The resource environment (for example: dev, tst, acc, prd) |
| location | string | The resource location (for example: weu, we, westeurope) |
| customer | string | The name of the customer |
| delimiter | string | The delimiter between resources (default: -) |
| nameFormat | Array containing any of: 'abbreviation' 'customer' 'environment' 'function' 'location' 'param1' 'param2' 'param3' 'useCaseName' |
The order of the array defines the order of elements in the naming scheme |
| param1 | string | Extra parameter self defined |
| param2 | string | Extra parameter self defined |
| param3 | string | Extra parameter self defined |
| function (required) | string | Function of the resource [can be app, db, security,...] |
| useCaseName | string | Name of the use case [can be hub, spoke,...] |
| suffix | string | Suffix for the resource, if empty non will be appended, otherwise will be added to the end [can be index, ...] |
| forceDefaultNaming | bool | Force the CAF naming instead of default company naming |
Changelog
6.2.0 (2025-10-20)
Features
- add firewall scaling options
6.1.0 (2025-10-20)
Features
- update api version
6.0.1 (2025-09-24)
Bug Fixes
- remove deployment name + cleanup
6.0.0 (2025-09-24)
⚠ BREAKING CHANGES
- remove deprecated outputs
Bug Fixes
- remove deprecated outputs
5.5.0 (2025-03-26)
Features
- add resourceName output
5.4.0 (2025-03-20)
Features
- add firewall policy draft creation
5.3.0 (2025-03-19)
Features
- add the possibility to define the Firewall policy in a separate module
5.2.3 (2025-01-20)
Bug Fixes
- passing through variables to firewall module from virtual-wan
5.2.2 (2025-01-02)
Bug Fixes
- remove unsupported property from application rule