Secure Azure Virtual Network and create DMZ on Azure VNET using Network Security Groups NSG Kloud Blog

Hi Paul – good timing!Microsoft just announced the availability of User Defined Routes and the imminent support of vendor offered Firewall home equipment that may be IP forwarded to. This consultation at Ignite is heavy on Vendor demos: vents/Ignite/2015/BRK2460 once the video is available and extra documentation on UDR and IP forwarding can be found here: note this isn’t in every Azure Region just yet. You can still use NSGs if you want, however the aggregate of UDR and IPF will likely solve most situations. I am looking to mirror using;Create a Network Security GroupNew AzureNetworkSecurityGroup Name “PER NSG” Location “West Europe” Label “Perimeter NSG H3QA1 Net”Add, Update Rules to a NSGGet AzureNetworkSecurityGroup Name “PER NSG” | Set AzureNetworkSecurityRule Name HTTPInternet DMZ Type Inbound Priority 347 Action Allow SourceAddressPrefix ‘’ SourcePortRange ‘’ DestinationAddressPrefix ‘10. 4.

2. 0/24′ DestinationPortRange ’80’ Protocol TCPGet AzureNetworkSecurityGroup Name “PER NSG” | Set AzureNetworkSecurityRule Name HTTPSInternet DMZ Type Inbound Priority 349 Action Allow SourceAddressPrefix ‘’ SourcePortRange ‘’ DestinationAddressPrefix ‘10. 4. 2. 0/24’ DestinationPortRange ‘443’ Protocol TCPGet AzureNetworkSecurityGroup Name “PER NSG” | Set AzureNetworkSecurityRule Name RDPInternet DMZ Type Inbound Priority 345 Action Allow SourceAddressPrefix ‘’ SourcePortRange ‘62970’ DestinationAddressPrefix ‘10.

4. 2. 0/24’ DestinationPortRange ‘62970’ Protocol TCPGet AzureNetworkSecurityGroup Name “PER NSG” | Set AzureNetworkSecurityRule Name RDP2Internet DMZ Type Inbound Priority 344 Action Allow SourceAddressPrefix ‘’ SourcePortRange ‘59887’ DestinationAddressPrefix ‘10. 4. 2. 0/24’ DestinationPortRange ‘59887’ Protocol TCPAssociate a NSG to a subnetGet AzureNetworkSecurityGroup Name “PER NSG” | Set AzureNetworkSecurityGroupToSubnet VirtualNetworkName ‘H3QA1’ SubnetName ‘A H2PE01’Ronit, theoretically you can script the introduction of the principles according to an input CSV, though you should definitely be aware that there’s limit of 200 rules per NSG and you can only associate 1 NSG with a subnet, VM or NIC at once.

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There’s no easy solution in your condition using NSGs when you are blanket blocking off all ports bound the Internet. VPN and / or ExpressRoute would provide alternative routes to public Azure endpoints but they might not play a part in the event that your atmosphere. As NSGs are pretty new hopefully we’ll see some potential to permit site visitors to Azure IPs using a Tag. In the intervening time perhaps you are looking to look at standing up a virtual firewall appliance and using UDR and IP Forwarding to force traffic via that and utilise it to gain what you are today with NSGs.