Testing Azure Private Endpoints DNS resolution over an Azure P2S VPN connection (2023)

Just show me the code
As always, if you don’t care about the post I have uploaded the source code on my Github.

Nowadays is common knowledge that there is an issue when trying to resolve the DNS of a private endpoint while connected to a Point-to-Site VPN.

This problem happens because a private DNS zone will not work over an Azure P2S VPN connection, which means that by default you cannot resolve a private DNS zone when connected over a P2S VPN.
This becomes quite problematic when you’re using private endpoints to secure some private resources, because there is no easy way to resolve the private endpoint DNS when connected to a VPN.

This issue is not exclusive of P2S VPN connections, it also happens if you try to resolve a private resource from an on-premise network connected via ExpressRoute or a VPN S2S.

There are a few options available to solve this issue, and in this post I plan to talk a little bit about them.

I didn’t plan to write this post, mainly because I didn’t find it interesting enough, but the new Azure DNS Private Resolver resource seems like a potential solution to this issue and I wanted to test it, so at the end I have decided that writing a little bit about this topic might become helpful to someone.

First of all, let me explain a little more in-depth what this problem is all about.
I’m going to use a simplified example, so you can have a better understanding of what’s the issue here.

Testing Azure Private Endpoints DNS resolution over an Azure P2S VPN connection (1)

As you can see this is a pretty basic setup, we have a public app where customers can connect via public internet, this public app uses a few private resources, to be more precise, it makes a call to another app and it also needs a database to persists data.

It makes no sense from the database and the second app to be accessible from anywhere on the internet, so we’re going to make them private. To make both resources private we’re going to use Azure Private Endpoints.

When a private endpoint is created, Azure changes the public name resolution by adding another CNAME record pointing towards the dedicated FQDN of the private endpoint.
By default, it also creates a private DNS zone, corresponding to the privatelink subdomain, with the DNS A resource record for the private endpoint.

When you resolve the resource endpoint URL from outside the VNet with the private endpoint, it resolves to the public endpoint of the resoucee. When resolved from the VNet hosting the private endpoint, the resource endpoint URL resolves to the private endpoint’s IP address.

(Video) Private Endpoints and DNS Part Deux: Azure Private DNS Zones

It might sound a little bit complicated, but it’s quite simple, let me show you a quick example to help you better understand how private endpoints works:

Example about how an Azure Private Endpoint works

  • I have created a new App Service, which is publicly accessible from the internet.
$ nslookup dns-resolver-test.azurewebsites.netServidor: ...Address: ...Respuesta no autoritativa:Nombre: waws-prod-am2-439-397b.westeurope.cloudapp.azure.comAddress: dns-resolver-test.azurewebsites.net waws-prod-am2-439.sip.azurewebsites.windows.net
  • Now I create a private endpoint to make the app private. As you can see Azure changes the public name resolution by adding another CNAME record pointing towards the dedicated FQDN of the private endpoint.
$ nslookup dns-resolver-test.azurewebsites.netServidor: ...Address: ...Respuesta no autoritativa:Nombre: waws-prod-am2-439-397b.westeurope.cloudapp.azure.comAddress: dns-resolver-test.azurewebsites.net dns-resolver-test.privatelink.azurewebsites.net waws-prod-am2-439.sip.azurewebsites.windows.net
  • When the private endpoint was created a private DNS zone was created with the corresponding privatelink subdomain.
    This DNS zone contains an A-record that points the private endpoint address to the private IP that is associated for the resource. Also this private DNS zone has been attached to the VNET.

Testing Azure Private Endpoints DNS resolution over an Azure P2S VPN connection (2)

  • Now when you try to resolve it from a client that’s inside the VNET, it will response with the private IP address.
$ nslookup dns-resolver-test.azurewebsites.netServer: UnKnownAddress: answer:Name: dns-resolver-test.privatelink.azurewebsites.netAddress: dns-resolver-test.azurewebsites.net$ curl -I dns-resolver-test.azurewebsites.netHTTP/1.1 200 OKContent-Length: 3161Content-Type: text/htmlLast-Modified: Thu, 27 Aug 2020 23:23:23 GMTAccept-Ranges: bytesETag: "5f48406b-c59"Server: nginx/1.19.2Date: Sun, 05 Jun 2022 17:21:50 GMT
  • If you try to resolve it from a client that’s outside of the VNET, it will respond with the public IP address. Bear in mind that if you try to invoke the app from outside the VNET it will thrown an error.
$ nslookup dns-resolver-test.azurewebsites.netServidor: ...Address: ...Respuesta no autoritativa:Nombre: waws-prod-am2-439-397b.westeurope.cloudapp.azure.comAddress: dns-resolver-test.azurewebsites.net dns-resolver-test.privatelink.azurewebsites.net waws-prod-am2-439.sip.azurewebsites.windows.net$ curl -I dns-resolver-test.azurewebsites.netHTTP/1.1 403 Ip ForbiddenContent-Length: 1895Content-Type: text/htmlx-ms-forbidden-ip: Sun, 05 Jun 2022 17:18:48 GMT

Now, image the scenario where someone needs to access those private resources, for that purpose you put in place a Point-to-Site VPN, but if you try to invoke some of the private resources that are using a private endpoint while connected to the VPN you’ll get an error.

$ curl -I dns-resolver-test.azurewebsites.netHTTP/1.1 403 Ip ForbiddenContent-Length: 1895Content-Type: text/htmlx-ms-forbidden-ip: Sun, 05 Jun 2022 17:24:36 GMT

That’s because when connected over an Azure P2S VPN connection the private DNS zone resolution does not work, because it tries to connect using the public endpoint instead of the private endpoint private IP.

The same problem happens if you’re trying to access a private Azure resource from an on-premise network connected to Azure via Express Route or VPN.

To solve it, there are a few solutions available and in the next sections I’m going to talk about them.

The hosts file is used to override the DNS system so that a browser or other application on your local machine can be redirected to a specific IP address.

(Video) DNS for Azure Private Endpoints with Hub and Spoke VNets

This is the easiest solution if you want to invoke a private resource.
You’ll need to modify the hosts file in your machine and point the private resource to the private IP of the private endpoint. This will override the DNS resolution of the private services.

Here’s an example of how to do it: app-private-api-dns-resolver-test-dev.azurewebsites.net10.18.2.4 app-private-api-dns-resolver-test-dev.scm.azurewebsites.net10.18.2.5 cosmos-dns-resolver-test-dev.mongo.cosmos.azure.com10.18.2.6 cosmos-dns-resolver-test-dev-westeurope.mongo.cosmos.azure.com

Now those services instead of resolving to the public endpoint, they will resolve to the private endpoint private IP.

This solution works but is very ineffective.
In the example above we only had two private resources: a Cosmos database and an App Service, but imagine a real project with tens of resources and multiple environments (dev, staging, prod, …).The hosts file ends up having hundreds of private IPs and becomes quite cumbersome to manage it.

Also every time you create a new private resource on Azure you need to update the hosts file and also signal everyone that is using the VPN that a new resource needs to be added in their hosts file.

This solution might work with small projects where a small group of people needs to access thoses resources via VPN, but it’s not a good solution.

Another option for the P2S VPN clients to be able to resolve Private Endpoint entries hosted on Azure Private DNS Zones is using a DNS Forwarder.

The main objectivo for having a DNS Forwarder is to forward DNS queries to Azure DNS.

Once you have a DNS forwarder/proxy deployed on Azure, you can define the DNS server at the VNET level or set DNS Server configuration directly on client XLM profile.

Once everything is setup you will be able to resolve Private Endpoint entries from your VPN P2S clients.

The DNS Forwarder/Proxy can be hosted on a virtual machine or on a container service like ACI or AKS.

(Video) Microsoft Azure Private Link Deep Dive

Setting up a DNS forwarder is simple, mainly because you only need to forward queries to the Azure DNS IP:

Here’s an example of a containerized Bind DNS Server that can be deployed on ACI or AKS:

If you take a look at the configuration of the Bind Server, you’ll see that the only action it does is forward queries to Azure DNS:

options { recursion yes; allow-query { any; }; # do not expose externally forwarders {; }; forward only; dnssec-validation no; # needed for private dns zones auth-nxdomain no; # conform to RFC1035 listen-on { any; };};

If you’re using a Windows Virtual Machine, it is also quite straightforward to set it up. Simply add the Azure DNS IP in the Forwarder Tab of the DNS Server.

Testing Azure Private Endpoints DNS resolution over an Azure P2S VPN connection (3)

Using a DNS Forwarder is the de facto solution nowadays to resolve private DNS zones and it works fine.

If you want a more in-depth documentation about it, you can go here:

The inconvenience with this approach is that the DNS forwarder/proxy ends up being another piece of software that needs to be setup and mantain properly. The maintenance part is even worse if you’re using a VM instead of a containerized approach because the underlying OS updates became your problem.

Also the fact that you need to set the DNS forwarder as the main DNS Server of the VNET means that you probably want to deploy it with a high availability.

In conclusion, using a DNS forwarder when we want to resolve a private DNS zone when connected to a VPN works fine, but nowadays seems that there is a better solution available.

The Azure DNS Private Resolver resource removes the need to have an additional DNS Forwarder to resolve private DNS zones.

(Video) Configuring Point to Site (P2S) VPN connection in Azure : hands on lab using Windows 10 client, VPN

Let’s take a look at the previous example where I had a public app that was using a few private resources.Here’s how the diagram will look like after deploying an Azure Private DNS Resolver.

Testing Azure Private Endpoints DNS resolution over an Azure P2S VPN connection (4)

As you can see, the only difference is that I have deployed a DNS Resolver Inbound endpoint.
An inbound endpoint enables name resolution from on-premises or other private locations via an IP address that is part of your private virtual network address space.

The inbound endpoint requires a subnet in the VNet where it’s provisioned. The subnet can only be delegated to Microsoft.Network/dnsResolvers and can’t be used for other services.

DNS queries received by the inbound endpoint will ingress to Azure DNS. You can resolve names in scenarios where you have Private DNS Zones, including VMs that are using auto registration, or Private Link enabled services.

One important thing here is that the DNS Resolver Inbound endpoint needs to be set as a DNS Server in the VNET, if not you won’t be able to resolve any private resource.

When creating a Private DNS Resolver there is also the concept of outbound endpoints. An outbound endpoint enables conditional forwarding name resolution from Azure to on-premises, other cloud providers, or external DNS servers.

In this case we don’t need an outbound endpoint, only the inbound one.

If you want to deploy the above example on your subscription and test it, you can find it on my GitHub repository. It uses Terraform to deploy it.

There is not much more worth mentioning and that’s good news, you only need to provision an Azure DNS Private Resolver and an inbound enpdoint, set the inbound endpoint as a DNS Server in your VNET and from this point forward you’ll be able to resolve private DNS zones when connected to a P2S VPN.

The only interesting thing worth mentioning (it is only interesting if you’re using Terraform with Azure) is that I’m using the AzApi Terraform Provider to provision the Private DNS Resolver instead of the official AzureRM Terraform provider.

The AzAPI provider is a thin layer on top of the Azure ARM REST APIs. The AzAPI provider enables you to manage any Azure resource type using any API version. This provider complements the AzureRM provider by enabling the management of new Azure resources and properties.

(Video) Azure DNS Private Resolver Deep Dive

I’m using the AzApi provider because the Private DNS Resolver is not available right now on the official AzureRM Terraform provider.

If you’re interested here’s a snippet of how to provision a Private DNS Resolver and an inbound endpoint using the AzApi provider.

resource "azapi_resource" "dns_resolver" { type = "Microsoft.Network/dnsResolvers@2020-04-01-preview" name = "resolver-${var.project_name}-${var.environment}" parent_id = azurerm_resource_group.rg_dns_test.id location = azurerm_resource_group.rg_dns_test.location  depends_on = [ azapi_resource.subnet_dns_resolver_inbound_endpoint ] body = jsonencode({ properties = { virtualNetwork = { id = azurerm_virtual_network.vnet_dns_test.id } } })  tags= var.default_tags response_export_values = ["*"]}resource "azapi_resource" "dns_resolver_inbound_endpoint" { type = "Microsoft.Network/dnsResolvers/inboundEndpoints@2020-04-01-preview" name = "resolver-inbound-endpoint-${var.project_name}-${var.environment}" parent_id = azapi_resource.dns_resolver.id location = azurerm_resource_group.rg_dns_test.location  depends_on = [ azapi_resource.dns_resolver ] body = jsonencode({ properties = { ipConfigurations = [ { subnet = { id = azapi_resource.subnet_dns_resolver_inbound_endpoint.id }, privateIpAllocationMethod = "Dynamic" } ] } })  tags= var.default_tags response_export_values = ["*"]}


How do I resolve Azure private DNS? ›

To resolve your Azure private DNS zone from on-premises, enter the IP address of the inbound endpoint into your on-premises DNS conditional forwarder. The on-premises DNS conditional forwarder must have a network connection to the virtual network.

How does Azure private DNS work? ›

Azure Private DNS provides a reliable, secure DNS service to manage and resolve domain names in a virtual network without the need to add a custom DNS solution. By using private DNS zones, you can use your own custom domain names rather than the Azure-provided names available today.

What is azure DNS forwarder? ›

It provides a simple, zero- maintenance, reliable, and secure Domain Name System (DNS) service to resolve and conditionally forward DNS queries from a virtual network, on-premises, and to other target DNS servers without the need to create and manage a custom DNS solution.

Does Azure take DNS resolution? ›

Azure provided name resolution provides only basic authoritative DNS capabilities. If you use this option the DNS zone names and records will be automatically managed by Azure and you won't be able to control the DNS zone names or the life cycle of DNS records.

How do I check my private DNS? ›

To turn Private DNS on or off, or change its settings:
  1. Open your phone's Settings app.
  2. Tap Network & internet. Private DNS. If you can't find it, search for "Private DNS." If you still can't find it, get help from your device manufacturer.
  3. Pick your option: Off. Automatic. Private DNS provider hostname.

Is private DNS better than VPN? ›

DNS is a better option due to its lightweight nature. It does not use encryption so you can enjoy the full speed of your standard internet connection. However, keep in mind that VPNs don't always slow down your connection; Working in a government-restricted environment.

What is the difference between private link and private endpoint? ›

Private Link – The umbrella Azure service under which you can make your PaaS resources available privately on a virtual network. Private Endpoint – The logical Azure resource, a private endpoint, that is mapped to a private IP address.

What is the benefit of private DNS? ›

Rather than forcing users and systems to rely on IP addresses, private DNS lets you assign text-based names to networked resources. These systems resolve readable domain names into IP addresses that web browsers and other network systems can use.

Why do we use forwarders in DNS? ›

By setting up a DNS forwarder you make it responsible for external traffic. In doing so the DNS forwarder will build an internal cache of external DNS data. In turn it will continue to use this cache of external DNS data to minimize external DNS traffic.

What are private endpoints in Azure? ›

A private endpoint is a network interface that uses a private IP address from your virtual network. This network interface connects you privately and securely to a service that's powered by Azure Private Link. By enabling a private endpoint, you're bringing the service into your virtual network.

Is Azure DNS is the same as domain registrar? ›

Azure DNS currently doesn't support purchasing of domain names. If you want to purchase a domain name, you need to use a third-party domain name registrar. The registrar typically charges a small annual fee. The domains can then be hosted in Azure DNS for management of DNS records.

Does Azure offer auto scaling? ›

Azure provides built-in autoscaling for most compute options. Azure Virtual Machines autoscale via virtual machine scale sets, which manage a set of Azure virtual machines as a group. See How to use automatic scaling and virtual machine scale sets.

What are the two types of scaling on Azure? ›

Two main ways an application can scale include vertical scaling and horizontal scaling. Vertical scaling (scaling up) increases the capacity of a resource, for example, by using a larger virtual machine (VM) size. Horizontal scaling (scaling out) adds new instances of a resource, such as VMs or database replicas.

What is Azure provided name resolution? ›

Azure DNS is a hosting service for DNS domains that provides name resolution by using Microsoft Azure infrastructure. By hosting your domains in Azure, you can manage your DNS records by using the same credentials, APIs, tools, and billing as your other Azure services.

Does private DNS work as VPN? ›

Our Verdict. Smart DNS and VPN services both unblock geo-restricted websites and stream video content from abroad. However, only a VPN hides your IP address and encrypts your web traffic. Custom DNS doesn't spoof your location or encrypt your data transfers, but it can improve your internet speeds and security.

Which DNS is best for privacy? ›

Let's look at the best third-party DNS providers for your security.
  1. Google Public DNS. IP Addresses: and ...
  2. OpenDNS. IP Addresses: and ...
  3. DNSWatch. IP Addresses: and ...
  4. OpenNIC. IP Addresses: and ...
  5. UncensoredDNS.

What is DNS resolution in VPC? ›

Domain Name System (DNS) is a standard by which names used on the internet are resolved to their corresponding IP addresses. There are two attributes in VPC. Indicates whether the DNS resolution is supported for VPC and It is true by default.

What are disadvantages of private DNS? ›

One of the main disadvantages of the DNS is the fact that its registry can only be controlled ICANN, a non-profit organisation with roots tied in one country. This challenges the concept of net neutrality and has been a widely propagated argument over the last three decades.

Are VPNs 100% private? ›

While they will protect your IP and encrypt your internet history, but that is as much as they can do. They won't keep you safe, for instance, if you visit phishing websites or download compromised files. When you use a VPN, you are still at risk of: Trojans.

Can private DNS be hacked? ›

DNS servers are a vital part of internet infrastructure, but they can be manipulated by hackers to redirect you to corrupted websites or steal your private data.

What is difference between Azure service endpoint and private endpoint? ›

A Service Endpoint remains a publicly routable IP address. A Private Endpoint is a private IP in the address space of the virtual network where the private endpoint is configured.

How do you secure a private endpoint? ›

How to Secure App Services WebApp with Private Endpoint
  1. Create a Site-to-Site VPN. Create Virtual Network in Azure. Create a Resource Group. Create a Virtual Network. Create Virtual Network Gateway. ...
  2. Create App Services WebApp. Create App Service Plan. Create App Services WebApp. Create Private Endpoint in WebApp.
  3. Test Connection.
25 Mar 2021

Does private endpoint disable public access? ›

By default when you create a Private Endpoint in the Azure Portal it will automatically lock out public access. You can, however, turn public or broader access back on using the Networking tab and updating the firewall settings.

What is the difference between public DNS and Private DNS? ›

A public DNS maintains a record of publicly available domain names reachable from any device with internet access. Private DNS resides behind a company firewall and maintains records of internal sites.

What are the two main benefits of DNS? ›

The benefits of DNS are that domain names: can map to a new IP address if the host's IP address changes. are easier to remember than an IP address. allow organizations to use a domain name hierarchy that is independent of any IP address assignment.

How does forward DNS resolution work? ›

Forward DNS works when a user types in the text form of an email address or web page URL. This text is first sent to a DNS server. The DNS server then checks its records and returns the domain's IP address. If unable to locate the domain's IP address, the DNS server forwards the request to another server.

How do I check DNS forwarders? ›

To configure DNS forwarders on Windows using the graphical user interface:
  1. Click Start and then Administrative Tools. ...
  2. Right-click the DNS server that you want to configure as a forwarder.
  3. In the Action menu, select Properties.
  4. Click the Forwarders tab.
  5. Click Edit.

What happens if you don't configure DNS forwarding? ›

Without forwarding, all DNS servers will query external DNS resolvers if they don't have the required addresses cached. This can result in excessive network traffic.

How do I access Azure private endpoint? ›

Test connectivity to private endpoint
  1. Select Resource groups in the left-hand navigation pane.
  2. Select myResourceGroup.
  3. Select myVM.
  4. On the overview page for myVM, select Connect then Bastion.
  5. Enter the username and password that you entered during the virtual machine creation.
  6. Select Connect button.
12 Oct 2022

How do I enable private endpoints in Azure? ›

  1. Sign-in to the Azure portal.
  2. In the search box at the top of the portal, enter Virtual network. Select Virtual networks.
  3. Select myVNet.
  4. In settings of myVNet, select Subnets.
  5. Select the default subnet.
  6. In the properties for the default subnet, select Enabled in NETWORK POLICY FOR PRIVATE ENDPOINTS.
  7. Select Save.
10 Aug 2022

Is Azure DNS PaaS or SaaS? ›

Azure provides software as a service (SaaS), platform as a service (PaaS) and infrastructure as a service (IaaS). The platform supports many programming languages and frameworks and can be used alone or in a multi-vendor cloud environment.

What is the difference between DNS registrar and DNS server? ›

Your DNS host is the service that is authoritative for hosting your DNS records. A domain registrar is where you purchase domain names. There are DNS hosting providers that offer domain registration and vice versa, but the two services should not be confused.

Do I need a domain controller if I have Azure AD? ›

Azure Active Directory Domain Services (Azure AD DS), part of Microsoft Entra, enables you to use managed domain services—such as Windows Domain Join, group policy, LDAP, and Kerberos authentication—without having to deploy, manage, or patch domain controllers.

How do I fix a DNS leak? ›

Let's find out.
  1. Use a VPN service, your own or from a third party. ...
  2. Use Cloudflare DNS servers. ...
  3. Use anonymous web browsers. ...
  4. Disable DNS by using a firewall. ...
  5. Set your DNS to a non-existent one. ...
  6. Use your own DNS resolving server. ...
  7. Run a DNS leak test byusing the command line.
26 May 2021

How do I uninstall Azure private DNS zone? ›

Private DNS zone cannot be deleted unless all virtual network links to it are removed.

How do I connect to Azure private network? ›

You can use the Routing and Remote Access Service (RRAS) in Windows Server 2016 or Windows Server 2012 to establish an IPsec site-to-site VPN connection between the on-premises network and the Azure virtual network. You can also use other options, such as Cisco or Juniper Networks VPN devices.

How do I test my Azure VPN connection? ›

Azure portal
  1. In the Azure portal, go to your virtual network gateway.
  2. On the page for your virtual network gateway, click Connections. You can see the status of each connection.
  3. Click the name of the connection that you want to verify. In Essentials, you can view more information about your connection.
14 Jun 2022

How do I troubleshoot a VPN connection? ›

When your VPN won't connect, try these solutions:
  1. Check whether your internet connection is alright. ...
  2. Check your credentials. ...
  3. Check whether your preferred VPN server is working. ...
  4. Check if you have the right ports opened. ...
  5. Look for VPN software issues. ...
  6. Check the firewall blocking. ...
  7. Contact customer service. ...
  8. Grant access.
25 Jun 2022

What is P2S VPN in Azure? ›

A Point-to-Site (P2S) VPN gateway connection lets you create a secure connection to your virtual network from an individual client computer. A P2S connection is established by starting it from the client computer.

How do I know if my VPN is leaking DNS? ›

How can I test my VPN for leaks?
  1. Go to the DNS leak test website. ...
  2. For VPN check, see if the displayed IP address and location match your real ones. ...
  3. To check your DNS status, select Standard or Extended Test.

Do VPNS leak DNS? ›

Sometimes a VPN can fail to protect your device's DNS queries even when the rest of your traffic is concealed by the VPN tunnel. This is called a “DNS leak.” If your DNS leaks, unauthorized entities, like your internet service provider or DNS server operator, can see which websites you visit and any apps you use.

How do I know if my VPN is leaking? ›

Compare your virtual IP address against your actual IP.

Head to the test page again and see if your IP is different now. If the results show your original IP address with a VPN enabled, unfortunately, your VPN is leaking.

What happens if you delete a DNS zone? ›

DNS zones that reside on other Write-only DNS servers in a DNS cluster will not appear in this interface. If you delete a DNS zone, the cPanel user must configure that domain's email addresses to use the local mail exchanger.

How do I turn off Private endpoint in Azure? ›

  1. Sign-in to the Azure portal.
  2. In the search box at the top of the portal, enter Virtual network. Select Virtual networks.
  3. Select myVNet.
  4. In settings of myVNet, select Subnets.
  5. Select the default subnet.
  6. In the properties for the default subnet, select Disabled in NETWORK POLICY FOR PRIVATE ENDPOINTS.
  7. Select Save.
10 Aug 2022

How do I create a private DNS zone in Azure? ›

Create a private DNS zone

To start hosting your domain in Azure DNS, you create a DNS zone for that domain name. On the portal search bar, type private dns zones in the search text box and press Enter. Select Private DNS zone. Select Create private dns zone.

What is the difference between Azure private link and private endpoint? ›

The private endpoint must be deployed in the same region and subscription as the virtual network. The private-link resource can be deployed in a different region than the one for the virtual network and private endpoint. Multiple private endpoints can be created with the same private-link resource.

What is the difference between Azure service endpoint and private endpoint? ›

A Service Endpoint remains a publicly routable IP address. A Private Endpoint is a private IP in the address space of the virtual network where the private endpoint is configured.

Is private endpoint and private link the same? ›

Private Link is an offering that includes two components: Private Endpoint and Private Link Service. Private Endpoint lets you configure a private IP address endpoint for your PaaS applications while allowing your internal resources and customers to connect to it over your VPN or peered networks.


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