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How to configure per-app access using Global Secure Access applications

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Microsoft Entra Private Access provides secure access to your organization's internal resources. You create a Global Secure Access application and specify the internal, private resources that you want to secure. By configuring a Global Secure Access application, you're creating per-app access to your internal resources. Global Secure Access application provides a more detailed ability to manage how the resources are accessed on a per-app basis.

This article describes how to configure per-app access using Global Secure Access applications.

Prerequisites

To configure a Global Secure Access app, you must have:

To manage Microsoft Entra private network connector groups, which is required for Global Secure Access apps, you must have:

  • An Application Administrator role in Microsoft Entra ID
  • Microsoft Entra ID P1 or P2 licenses

Known limitations

  • Avoid overlapping app segments between Quick Access and Global Secure Access apps.
  • Tunneling traffic to Private Access destinations by IP address is supported only for IP ranges outside of the end-user device local subnet.
  • At this time, Private Access traffic can only be acquired with the Global Secure Access client. Remote networks can't be assigned to the Private access traffic forwarding profile.

High level steps

Per-App Access is configured by creating a new Global Secure Access app. You create the app, select a connector group, and add network access segments. These settings make up the individual app that you can assign users and groups to.

To configure Per-App Access, you need to have a connector group with at least one active Microsoft Entra application proxy connector. This connector group handles the traffic to this new application. With Connectors, you can isolate apps per network and connector.

To summarize, the overall process is as follows:

  1. Create a connector group with at least one active private network connector.

    • If you already have a connector group, make sure you're on the latest version.

  2. Create a Global Secure Access app.

  3. Assign users and groups to the app.

  4. Configure Conditional Access policies.

  5. Enable Microsoft Entra Private Access.

Create a private network connector group

To configure a Global Secure Access app, you must have a connector group with at least one active private network connector.

If you don't already have a connector set up, see Configure connectors.

Note

If you've previously installed a connector, reinstall it to get the latest version. When upgrading, uninstall the existing connector and delete any related folders.

The minimum version of connector required for Private Access is 1.5.3417.0.

Create a Global Secure Access application

To create a new app, you provide a name, select a connector group, and then add application segments. App segments include the fully qualified domain names (FQDNs) and IP addresses you want to tunnel through the service. You can complete all three steps at the same time, or you can add them after the initial setup is complete.

Choose name and connector group

  1. Sign in to the Microsoft Entra admin center with the appropriate roles.

  2. Browse to Global Secure Access > Applications > Enterprise applications.

  3. Select New application.

    Screenshot of the Enterprise apps and Add new application button.

  4. Enter a name for the app.

  5. Select a Connector group from the dropdown menu.

    Important

    You must have at least one active connector in order to create an application. To learn more about connectors, see Understand the Microsoft Entra private network connector.

  6. Select the Save button at the bottom of the page to create your app without adding private resources.

Add application segment

The Add application segment process is where you define the FQDNs and IP addresses that you want to include in the traffic for the Global Secure Access app. You can add sites when you create the app and return to add more or edit them later.

You can add fully qualified domain names (FQDN), IP addresses, and IP address ranges. Within each application segment, you can add multiple ports and port ranges.

  1. Sign in to the Microsoft Entra admin center.

  2. Browse to Global Secure Access > Applications > Enterprise applications.

  3. Select New application.

  4. Select Add application segment.

  5. In the Create application segment panel that opens, select a Destination type.

  6. Enter the appropriate details for the selected destination type. Depending on what you select, the subsequent fields change accordingly.

    • IP address:
      • Internet Protocol version 4 (IPv4) address, such as 192.168.2.1, that identifies a device on the network.
      • Provide the ports that you want to include.
    • Fully qualified domain name (including wildcard FQDNs):
      • Domain name that specifies the exact location of a computer or a host in the Domain Name System (DNS).
      • Provide the ports that you want to include.
      • NetBIOS isn't supported. For example, use contoso.local/app1 instead of contoso/app1.
    • IP address range (CIDR):
      • Classless Inter-Domain Routing (CIDR) represents a range of IP addresses where an IP address is followed by a suffix that indicates the number of network bits in the subnet mask.
      • For example, 192.168.2.0/24 indicates that the first 24 bits of the IP address represent the network address, while the remaining 8 bits represents the host address.
      • Provide the starting address, network mask, and ports.
    • IP address range (IP to IP):
      • Range of IP addresses from start IP (such as 192.168.2.1) to end IP (such as 192.168.2.10).
      • Provide the IP address start, end, and ports.

  7. Enter the ports and select the Apply button.

    • Separate multiple ports with a comma.
    • Specify port ranges with a hyphen.
    • Spaces between values are removed when you apply the changes.
    • For example, 400-500, 80, 443.

    Screenshot of the create app segment panel with multiple ports added.

    The following table provides the most commonly used ports and their associated networking protocols:

    Port Protocol
    22 Secure Shell (SSH)
    80 Hypertext Transfer Protocol (HTTP)
    443 Hypertext Transfer Protocol Secure (HTTPS)
    445 Server Message Block (SMB) file sharing
    3389 Remote Desktop Protocol (RDP)

  8. Select Save.

Note

You can add up to 500 application segments to your app.

Do not overlap FQDNs, IP addresses, and IP ranges between your Quick Access app and any Private Access apps.

Assign users and groups

You need to grant access to the app you created by assigning users and/or groups to the app. For more information, see Assign users and groups to an application.

  1. Sign in to the Microsoft Entra admin center.
  2. Browse to Global Secure Access > Applications > Enterprise applications.
  3. Search for and select your application.
  4. Select Users and groups from the side menu.
  5. Add users and groups as needed.

Note

Users must be directly assigned to the app or to the group assigned to the app. Nested groups are not supported.

Update application segments

You can add or update the FQDNs and IP addresses included in your app at any time.

  1. Sign in to the Microsoft Entra admin center.
  2. Browse to Global Secure Access > Applications > Enterprise applications.
  3. Search for and select your application.
  4. Select Network access properties from the side menu.
    • To add a new FQDN or IP address, select Add application segment.
    • To edit an existing app, select it from the Destination type column.

Enable or disable access with the Global Secure Access Client

You can enable or disable access to the Global Secure Access app using the Global Secure Access Client. This option is selected by default, but can be disabled, so the FQDNs and IP addresses included in the app segments aren't tunneled through the service.

Screenshot of the enable access checkbox.

Assign Conditional Access policies

Conditional Access policies for per-app access are configured at the application level for each app. Conditional Access policies can be created and applied to the application from two places:

  • Go to Global Secure Access > Applications > Enterprise applications. Select an application and then select Conditional Access from the side menu.
  • Go to Protection > Conditional Access > Policies. Select + Create new policy.

For more information, see Apply Conditional Access policies to Private Access apps.

Enable Microsoft Entra Private Access

Once you have your app configured, your private resources added, users assigned to the app, you can enable the Private access traffic forwarding profile. You can enable the profile before configuring a Global Secure Access app, but without the app and profile configured, there's no traffic to forward.

  1. Sign in to the Microsoft Entra admin center.
  2. Browse to Global Secure Access > Connect > Traffic forwarding.
  3. Select the toggle for Private access profile.

This diagram demonstrates how Microsoft Entra Private Access works when attempting to use Remote Desktop Protocol to connect to a server on a private network.

Diagram of Microsoft Entra Private Access working with Remote Desktop Protocol.

Step Description
1 User initiates RDP session to an FQDN which maps to the target server. The GSA Client intercepts the traffic and tunnels it to the SSE Edge.
2 The SSE Edge evaluates policies stored in Microsoft Entra ID such as whether the user is assigned to the application and Conditional Access policies.
3 Once the user has been authorized, Microsoft Entra ID issues a token for the Private Access application.
4 The traffic is released to continue to the Private Access service along with the application’s access token.
5 The Private Access service validates the access token and the connection is brokered to the Private Access backend service.
6 The connection is brokered to the Private Network Connector.
7 The Private Network Connector performs a DNS query to identify the IP address of the target server.
8 The DNS service on the private network sends the response.
9 The Private Network Connector forwards the traffic to the target server. The RDP session is negotiated (including RDP authentication) and is then established.

Next steps

The next step for getting started with Microsoft Entra Private Access is to enable the Private Access traffic forwarding profile.

For more information about Private Access, see the following articles: