Set-AzFirewallPolicyRuleCollectionGroup 保存多个Rule Collection

使用Azure Powershell 设置 Rule Collection Group, 首先需要创建 Firewall policy。

在创建完firewall policy后,通过Azure Portal页面添加 Rule Collection Group。

然后就可以使用 Set-AzFirewallPolicyRuleCollectionGroup命令在Firewall policy中添加Rule Collection Group了。

以下是一个简单例子,通过Azure Powershell在Rule Collection Group中添加Rule Collection和Rules。

$resourceGroup = "test_rg"

$fprg = $resourceGroup

$targetfp = Get-AzFirewallPolicy -Name "testFWpolicy"   -ResourceGroupName $fprg   //获取Firewall Policy对象

$targetrcg = Get-AzFirewallPolicyRuleCollectionGroup -AzureFirewallPolicyName "vincentFWpolicy" -Name "network-segmentation-local"  -ResourceGroupName $resourceGroup   //获取Rule Collection Group对象

$rules = @()

$RuleParameter = @{

        Name = "net-pde-to-external-prod-allowasdfajsdlflklkajlkfd"

        Protocol = "Any"

        sourceAddress = "*"

        DestinationAddress = "*"

        DestinationPort = "*"

}  

$rule = New-AzFirewallPolicyNetworkRule @RuleParameter

$NetworkRuleCollection = @{

        Name = "src-azure-network-rules-segmentation-allow"

        Priority = "666"

        ActionType = "Allow"

        Rule       = $rules += $rule

    }  //在第一个Rule Collection中添加Rule

$NetworkRuleCategoryCollection = New-AzFirewallPolicyFilterRuleCollection @NetworkRuleCollection

$rules = @()

$RuleParameter = @{

        Name = "net-pde-to-external-prod-allow-all2"

        Protocol = "Any"

        sourceAddress = "*"

        DestinationAddress = "*"

        DestinationPort = "*"

}

$rule = New-AzFirewallPolicyNetworkRule @RuleParameter

$NetworkRuleCollection2 = @{

        Name = "src-azure-network-rules-segmentation-allowasdfasdf2"

        Priority = "888"

        ActionType = "Allow"

        Rule       = $rules += $rule

    }   //在第二个Rule Collection中添加Rule

$NetworkRuleCategoryCollection2 = New-AzFirewallPolicyFilterRuleCollection @NetworkRuleCollection2

//将以上创建的两个Rule Collection加入Rule Collection Group对象

$targetrcg.Properties.RuleCollection.Add($NetworkRuleCategoryCollection)

$targetrcg.Properties.RuleCollection.Add($NetworkRuleCategoryCollection2)

//设置保存Rule Collection Group并使其生效

Set-AzFirewallPolicyRuleCollectionGroup -FirewallPolicyName testFWpolicy -Name $targetrcg.Name  -Priority 112 -ResourceGroupName test_rg -RuleCollection  $targetrcg.Properties.RuleCollection

需要注意的问题:

Set-AzFirewallPolicyRuleCollectionGroup这个命令执行的是Overwrite操作,它会保存命令中的多个Rule Collection。同时会覆盖掉之前的配置,如果保存之前在Rule Collection Group中存在其他的Rule Collection,那么这些没有在命令中被写入的Rule Collection就会被擦除。所以如果想一次在Rule Collection Group中设置多个Rule Collection。需要在参数中指定多个Rule Collection的数组。

参考文档:

Set-AzFirewallPolicyRuleCollectionGroup (Az.Network) | Microsoft Learn

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