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policydefinition-deny_rdp_from_internet.tf
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policydefinition-deny_rdp_from_internet.tf
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# This file was auto generated
resource "azurerm_policy_definition" "deny_rdp_from_internet" {
name = "Deny-RDP-From-Internet"
policy_type = "Custom"
mode = "All"
display_name = "RDP access from the Internet should be blocked"
description = "This policy denies any network security rule that allows RDP access from Internet"
metadata = <<METADATA
{
"version": "1.0.0",
"category": "Network"
}
METADATA
management_group_name = var.management_group_name
policy_rule = <<POLICYRULE
{
"if": {
"allOf": [
{
"field": "type",
"equals": "Microsoft.Network/networkSecurityGroups/securityRules"
},
{
"allOf": [
{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/access",
"equals": "Allow"
},
{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/direction",
"equals": "Inbound"
},
{
"anyOf": [
{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange",
"equals": "*"
},
{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange",
"equals": "3389"
},
{
"value": "[if(and(not(empty(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange'))), contains(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange'),'-')), and(lessOrEquals(int(first(split(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange'), '-'))),3389),greaterOrEquals(int(last(split(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRange'), '-'))),3389)), 'false')]",
"equals": "true"
},
{
"count": {
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]",
"where": {
"value": "[if(and(not(empty(first(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]')))), contains(first(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]')),'-')), and(lessOrEquals(int(first(split(first(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]')), '-'))),3389),greaterOrEquals(int(last(split(first(field('Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]')), '-'))),3389)) , 'false')]",
"equals": "true"
}
},
"greater": 0
},
{
"not": {
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]",
"notEquals": "*"
}
},
{
"not": {
"field": "Microsoft.Network/networkSecurityGroups/securityRules/destinationPortRanges[*]",
"notEquals": "3389"
}
}
]
},
{
"anyOf": [
{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/sourceAddressPrefix",
"equals": "*"
},
{
"field": "Microsoft.Network/networkSecurityGroups/securityRules/sourceAddressPrefix",
"equals": "Internet"
},
{
"not": {
"field": "Microsoft.Network/networkSecurityGroups/securityRules/sourceAddressPrefixes[*]",
"notEquals": "*"
}
},
{
"not": {
"field": "Microsoft.Network/networkSecurityGroups/securityRules/sourceAddressPrefixes[*]",
"notEquals": "Internet"
}
}
]
}
]
}
]
},
"then": {
"effect": "[parameters('effect')]"
}
}
POLICYRULE
parameters = <<PARAMETERS
{
"effect": {
"type": "String",
"metadata": {
"displayName": "Effect",
"description": "Enable or disable the execution of the policy"
},
"allowedValues": [
"Audit",
"Deny",
"Disabled"
],
"defaultValue": "Deny"
}
}
PARAMETERS
}
output "policydefinition_deny_rdp_from_internet" {
value = azurerm_policy_definition.deny_rdp_from_internet
}