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Check the allow trusted network locations. Rather than putting the mapped network drive letter (which is what i was doing) put in the full UNC to the drive/folder being mapped. Eg i have t: on the clients computers mapped to server2 alldocs. So in the trust location you put in server2 alldocs rather than t:. 1: Launch PowerPoint and tap on the ‘File‘ option from the ribbon menu. 2: After that, tap on the ‘Options‘ tab. 3: Now, users need to select the ‘Trust Center‘ option from the menu. Once done, choose ‘Trust Center Settings.’ 4: From there, click on ‘Trusted Locations‘ and then choose the ‘Add new location‘ option. See how to add, remove, or change a trusted location. Excel for Microsoft 365 Word for Microsoft 365 PowerPoint for Microsoft 365 Access for Microsoft 365 Visio Plan 2 Visio Professional 2019 Visio Standard 2019 Visio Professional 2016 Visio Standard 2016 Visio Professional 2013 Visio 2013 Visio 2010 Visio Standard 2010 Excel 2019 Word 2019 PowerPoint 2019 Access 2019 Excel 2016 Word 2016. Let us Open PowerPoint click on, file-options- trust center-trust center settings -protected view—uncheck all the options. In the trusted documents-check allow the documents on a network to be trusted. I hope the above suggestion helps. If you need further assistance, get back to us and we will be glad to assist you.

Understanding the add-in runtime

Office Add-ins are secured by an add-in runtime environment, a multiple-tier permissions model, and performance governors. This framework protects the user's experience in the following ways.

• Access to the Office client application's UI frame is managed.

• Only indirect access to the Office client application's UI thread is allowed.

• Modal interactions aren't allowed - for example, calls to JavaScript alert, confirm, and prompt functions aren't allowed because they're modal.

Further, the runtime framework provides the following benefits to ensure that an Office Add-in can't damage the user's environment.

• Isolates the process the add-in runs in.

• Doesn't require .dll or .exe replacement or ActiveX components.

• Makes add-ins easy to install and uninstall.

Also, the use of memory, CPU, and network resources by Office Add-ins is governable to ensure that good performance and reliability are maintained.

The following sections briefly describe how the runtime architecture supports running add-ins in Office clients on Windows-based devices, on Mac OS X devices, and in web browsers.

Clients on Windows and OS X devices

In supported clients for desktop and tablet devices, such as Excel on Windows, and Outlook on Windows and Mac, Office Add-ins are supported by integrating an in-process component, the Office Add-ins runtime, which manages the add-in lifecycle and enables interoperability between the add-in and the client application. The add-in webpage itself is hosted out-of-process. As shown in figure 1, on a Windows desktop or tablet device, the add-in webpage is hosted inside an Internet Explorer or Microsoft Edge control which, in turn, is hosted inside an add-in runtime process that provides security and performance isolation.

On Windows desktops, Protected Mode in Internet Explorer must be enabled for the Restricted Site Zone. This is typically enabled by default. If it is disabled, an error will occur when you try to launch an add-in.

Figure 1. Office Add-ins runtime environment in Windows-based desktop and tablet clients

As shown in the following figure, on a Mac OS X desktop, the add-in web page is hosted inside a sandboxed WebKit runtime host process which helps provide similar level of security and performance protection.

Figure 2. Office Add-ins runtime environment in Mac OS X clients

The Office Add-ins runtime manages interprocess communication, the translation of JavaScript API calls and events into native ones, as well as UI remoting support to enable the add-in to be rendered inside the document, in a task pane, or adjacent to an email message, meeting request, or appointment.

Web clients

In supported web clients, Office Add-ins are hosted in an iframe that runs using the HTML5 sandbox attribute. ActiveX components or navigating the main page of the web client are not allowed. Office Add-ins support is enabled in the web clients by the integration of the JavaScript API for Office. In a similar way to the desktop client applications, the JavaScript API manages the add-in lifecycle and interoperability between the add-in and the web client. This interoperability is implemented by using a special cross-frame post message communication infrastructure. The same JavaScript library (Office.js) that is used on desktop clients is available to interact with the web client. The following figure shows the infrastructure that supports add-ins in Office running in the browser, and the relevant components (the web client, iframe, Office Add-ins runtime, and JavaScript API for Office) that are required to support them.

Figure 3. Infrastructure that supports Office Add-ins in Office web clients

Add-in integrity in AppSource

You can make your Office Add-ins available to the public by publishing them to AppSource. AppSource enforces the following measures to maintain the integrity of add-ins.

• Requires the host server of an Office Add-in to always use Secure Sockets Layer (SSL) to communicate.

• Requires a developer to provide proof of identity, a contractual agreement, and a compliant privacy policy to submit add-ins. Bunker hill security dvr software.

• Supports a user-review system for available add-ins to promote a self-policing community.

Optional connected experiences

End users and IT admins can turn off optional connected experiences in Office desktop and mobile clients. For Office Add-ins, the impact of disabling the Optional connected experiences setting is that users can no longer access add-ins or the Office Store through these clients. However, certain Microsoft add-ins that are considered essential or business-critical, and add-ins deployed by an organization's IT admin through Centralized Deployment will still be available. Additionally, add-ins and the Store remain available in Outlook on the web, regardless of the status of the setting.

For more about Outlook-specific behavior, see Privacy, permissions, and security for Outlook add-ins.

Note that if an IT admin disables the use of connected experiences in Office, it has the same effect on add-ins as turning off just optional connected experiences.

Addressing end users' privacy concerns

This section describes the protection offered by the Office Add-ins platform from the customer's (end user's) perspective, and provides guidelines for how to support users' expectations and how to securely handle users' personally identifiable information (PII).

End users' perspective

Office Add-ins are built using web technologies that run in a browser control or iframe. Because of this, using add-ins is similar to browsing to web sites on the Internet or intranet. Add-ins can be external to an organization (if you acquire the add-in from AppSource) or internal (if you acquire the add-in from an Exchange Server add-in catalog, SharePoint app catalog, or file share on an organization's network). Add-ins have limited access to the network and most add-ins can read or write to the active document or mail item. The add-in platform applies certain constraints before a user or administrator installs or starts an add-in. But as with any extensibility model, users should be cautious before starting an unknown add-in.

Note

Users may see a security prompt to trust the domain the first time an add-in is loaded. This will happen if the add-in's domain host is outside of the domain of Exchange on-premise or Office Online Server.

The add-in platform addresses end users' privacy concerns in the following ways.

• Data communicated with the web server that hosts a content, Outlook or task pane add-in as well as communication between the add-in and any web services it uses must be encrypted using the Secure Socket Layer (SSL) protocol.

• Before a user installs an add-in from AppSource, the user can view the privacy policy and requirements of that add-in. In addition, Outlook add-ins that interact with users' mailboxes surface the specific permissions that they require; the user can review the terms of use, requested permissions and privacy policy before installing an Outlook add-in.

• When sharing a document, users also share add-ins that have been inserted in or associated with that document. If a user opens a document that contains an add-in that the user hasn't used before, the Office client application prompts the user to grant permission for the add-in to run in the document. In an organizational environment, the Office client application also prompts the user if the document comes from an external source.

• Users can enable or disable the access to AppSource. For content and task pane add-ins, users manage access to trusted add-ins and catalogs from the Trust Center on the host Office client (opened from File > Options > Trust Center > Trust Center Settings > Trusted Add-in Catalogs). For Outlook add-ins, uses can manage add-ins by choosing the Manage Add-ins button: in Outlook on Windows, choose File > Manage Add-ins. In Outlook on Mac, choose the Manage Add-ins button on the add-in bar. In Outlook on the web, choose the Settings menu (gear icon) > Manage add-ins. Administrators can also manage this access by using group policy.

• The design of the add-in platform provides security and performance for end users in the following ways.

  • An Office Add-in runs in a web browser control that is hosted in an add-in runtime environment separate from the Office client application. This design provides both security and performance isolation from the client application.

  • Running in a web browser control allows the add-in to do almost anything a regular web page running in a browser can do but, at the same time, restricts the add-in to observe the same-origin policy for domain isolation and security zones.

Outlook add-ins provide additional security and performance features through Outlook add-in specific resource usage monitoring. For more information, see Privacy, permissions, and security for Outlook add-ins.

Developer guidelines to handle PII

The following lists some specific PII protection guidelines for you as a developer of Office Add-ins.

• The Settings object is intended for persisting add-in settings and state data across sessions for a content or task pane add-in, but don't store passwords and other sensitive PII in the Settings object. The data in the Settings object isn't visible to end users, but it is stored as part of the document's file format which is readily accessible. You should limit your add-in's use of PII and store any PII required by your add-in on the server hosting your add-in as a user-secured resource.

• Using some applications can reveal PII. Make sure that you securely store data for your users' identity, location, access times, and any other credentials so that data won't become available to other users of the add-in.

• If your add-in is available in AppSource, the AppSource requirement for HTTPS protects PII transmitted between your web server and the client computer or device. However, if you re-transmit that data to other servers, make sure you observe the same level of protection.

• If you store users' PII, make sure you reveal that fact, and provide a way for users to inspect and delete it. If you submit your add-in to AppSource, you can outline the data you collect and how it's used in the privacy statement.

Developers' permission choices and security practices

Follow these general guidelines to support the security model of Office Add-ins, and drill down on more details for each add-in type.

Permissions choices

Virtualcol fsx download. The add-in platform provides a permissions model that your add-in uses to declare the level of access to a user's data that it requires for its features. Each permission level corresponds to the subset of the JavaScript API for Office your add-in is allowed to use for its features. For example, the WriteDocument permission for content and task pane add-ins allows access to the Document.setSelectedDataAsync method that lets an add-in write to the user's document, but doesn't allow access to any of the methods for reading data from the document. This permission level makes sense for add-ins that only need to write to a document, such as an add-in where the user can query for data to insert into their document.

As a best practice, you should request permissions based on the principle of least privilege. That is, you should request permission to access only the minimum subset of the API that your add-in requires to function correctly. For example, if your add-in needs only to read data in a user's document for its features, you should request no more than the ReadDocument permission. (But, keep in mind that requesting insufficient permissions will result in the add-in platform blocking your add-in's use of some APIs and will generate errors at run time.)

You specify permissions in the manifest of your add-in, as shown in the example in this section below, and end users can see the requested permission level of an add-in before they decide to install or activate the add-in for the first time. Additionally, Outlook add-ins that request the ReadWriteMailbox permission require explicit administrator privilege to install.

The following example shows how a task pane add-in specifies the ReadDocument permission in its manifest. To keep permissions as the focus, other elements in the manifest aren't displayed.

For more information about permissions for task pane and content add-ins, see Requesting permissions for API use in add-ins.

For more information about permissions for Outlook add-ins, see the following topics.

Same origin policy

Because Office Add-ins are webpages that run in a web browser control, they must follow the same-origin policy enforced by the browser. By default, a webpage in one domain can't make XmlHttpRequest web service calls to another domain other than the one where it is hosted.

One way to overcome this limitation is to use JSON/P -- provide a proxy for the web service by including a script tag with a src attribute that points to some script hosted on another domain. You can programmatically create the script tags, dynamically creating the URL to which to point the src attribute, and passing parameters to the URL via URI query parameters. Web service providers create and host JavaScript code at specific URLs, and return different scripts depending on the URI query parameters. These scripts then execute where they are inserted and work as expected.

The following is an example of JSON/P in the Outlook add-in example.

Exchange and SharePoint provide client-side proxies to enable cross-domain access. In general, same origin policy on an intranet isn't as strict as on the Internet. For more information, see Same Origin Policy Part 1: No Peeking and Addressing same-origin policy limitations in Office Add-ins.

Tips to prevent malicious cross-site scripting

An ill-intentioned user could attack the origin of an add-in by entering malicious script through the document or fields in the add-in. A developer should process user input to avoid executing a malicious user's JavaScript within their domain. The following are some good practices to follow to handle user input from a document or mail message, or via fields in an add-in.

• Instead of the DOM property innerHTML, use the innerText and textContent properties where appropriate. Do the following for Internet Explorer and Firefox cross-browser support.

  For information about the differences between innerText and textContent, see Node.textContent. For more information about DOM compatibility across common browsers, see W3C DOM Compatibility - HTML.

• If you must use innerHTML, make sure the user's input doesn't contain malicious content before passing it to innerHTML. For more information and an example of how to use innerHTML safely, see innerHTML property.

• If you are using jQuery, use the .text() method instead of the .html() method.

• Use the toStaticHTML method to remove any dynamic HTML elements and attributes in users' input before passing it to innerHTML.

• Use the encodeURIComponent or encodeURI function to encode text that is intended to be a URL that comes from or contains user input.

• See Developing secure add-ins for more best practices to create more secure web solutions.

Tips to prevent 'Clickjacking'

Because Office Add-ins are rendered in an iframe when running in a browser with Office client applications, use the following tips to minimize the risk of clickjacking -- a technique used by hackers to fool users into revealing confidential information.

First, identify sensitive actions that your add-in can perform. These include any actions that an unauthorized user could use with malicious intent, such as initiating a financial transaction or publishing sensitive data. For example, your add-in might let the user send a payment to a user-defined recipient.

Second, for sensitive actions, your add-in should confirm with the user before it executes the action. This confirmation should detail what effect the action will have. It should also detail how the user can prevent the action, if necessary, whether by choosing a specific button marked 'Don't Allow' or by ignoring the confirmation.

Third, to ensure that no potential attacker can hide or mask the confirmation, you should display it outside the context of the add-in (that is, not in an HTML dialog box).

The following are some examples of how you could get confirmation.

• Send an email to the user that contains a confirmation link.

• Send a text message to the user that includes a confirmation code that the user can enter in the add-in.

• Open a confirmation dialog in a new browser window to a page that cannot be iframed. This is typically the pattern that is used by login pages. Use the dialog api to create a new dialog.

Also, ensure that the address you use for contacting the user couldn't have been provided by a potential attacker. For example, for payment confirmations use the address on file for the authorized user's account.

Other security practices

Developers should also take note of the following security practices.

• Developers shouldn't use ActiveX controls in Office Add-ins as ActiveX controls don't support the cross-platform nature of the add-in platform.

• Content and task pane add-ins assume the same SSL settings that the browser uses by default, and allows most content to be delivered only by SSL. Outlook add-ins require all content to be delivered by SSL. Developers must specify in the SourceLocation element of the add-in manifest a URL that uses HTTPS, to identify the location of the HTML file for the add-in.

  To make sure add-ins aren't delivering content by using HTTP, when testing add-ins, developers should make sure the following settings are selected in Internet Options in Control Panel and no security warnings appear in their test scenarios.

  • Make sure the security setting, Display mixed content, for the Internet zone is set to Prompt. You can do that by selecting the following in Internet Options: on the Security tab, select the Internet zone, select Custom level, scroll to look for Display mixed content, and select Prompt if it isn't already selected.

  • Make sure Warn if Changing between Secure and not secure mode is selected in the Advanced tab of the Internet Options dialog box.

• To make sure that add-ins don't use excessive CPU core or memory resources and cause any denial of service on a client computer, the add-in platform establishes resource usage limits. As part of testing, developers should verify whether an add-in performs within the resource usage limits.

• Before publishing an add-in, developers should make sure that any personal identifiable information that they expose in their add-in files is secure.

• Developers shouldn't embed keys that they use to access third-party APIs or services (such as Bing, Google, or Facebook) directly in the HTML pages of their add-in. Instead, they should create a custom web service or store the keys in some other form of secure web storage that they can then call to pass the key value to their add-in.

• Developers should do the following when submitting an add-in to AppSource.

  • Host the add-in they are submitting on a web server that supports SSL.
  • Produce a statement outlining a compliant privacy policy.
  • Be ready to sign a contractual agreement upon submitting the add-in.

Other than resource usage rules, developers for Outlook add-ins should also make sure their add-ins observe limits for specifying activation rules and using the JavaScript API. For more information, see Limits for activation and JavaScript API for Outlook add-ins.

IT administrators' control

In a corporate setting, IT administrators have ultimate authority over enabling or disabling access to AppSource and any private catalogs.

The management and enforcement of Office settings is done with group policy settings. These are configurable through the Office Deployment Tool, in conjunction with the Office Customization Tool.

Important

If your working groups are using multiple releases of Office, group policy settings must be configured for each release. Please refer to the Using Group Policy to manage how users can install and use apps for Office of the Overview of apps for Office 2013 article for details on group policy settings for Office 2013.

See also

As explained in the overview article Conditional Access policies are at their most basic an if-then statement combining signals, to make decisions, and enforce organization policies. One of those signals that can be incorporated into the decision-making process is location.

Organizations can use this location for common tasks like:

• Requiring multi-factor authentication for users accessing a service when they are off the corporate network.
• Blocking access for users accessing a service from specific countries or regions.

The location is determined by the public IP address a client provides to Azure Active Directory or GPS coordinates provided by the Microsoft Authenticator app. Conditional Access policies by default apply to all IPv4 and IPv6 addresses.

Named locations

Locations are designated in the Azure portal under Azure Active Directory > Security > Conditional Access > Named locations. These named network locations may include locations like an organization's headquarters network ranges, VPN network ranges, or ranges that you wish to block. Named locations can be defined by IPv4/IPv6 address ranges or by countries.

IP address ranges

To define a named location by IPv4/IPv6 address ranges, you will need to provide:

• A Name for the location
• One or more IP ranges
• Optionally Mark as trusted location

Named locations defined by IPv4/IPv6 address ranges are subject to the following limitations:

• Configure up to 195 named locations
• Configure up to 2000 IP ranges per named location
• Both IPv4 and IPv6 ranges are supported
• Private IP ranges cannot be configured
• The number of IP addresses contained in a range is limited. Only CIDR masks greater than /8 are allowed when defining an IP range.

Trusted locations

Administrators can designate locations defined by IP address ranges to be trusted named locations.

Sign-ins from trusted named locations improve the accuracy of Azure AD Identity Protection's risk calculation, lowering a user's sign-in risk when they authenticate from a location marked as trusted. Additionally, trusted named locations can be targeted in Conditional Access policies. For example, you may restrict multi-factor authentication registration to trusted locations.

Countries

Organizations can determine country location by IP address or GPS coordinates.

To define a named location by country, you will need to provide:

• A Name for the location
• Choose to determine location by IP address or GPS coordinates
• Add one or more countries
• Optionally choose to Include unknown countries/regions

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If you select Determine location by IP address (IPv4 only), the system will collect the IP address of the device the user is signing into. When a user signs in, Azure AD resolves the user's IPv4 address to a country or region, and the mapping is updated periodically. Organizations can use named locations defined by countries to block traffic from countries where they do not do business.

Note

Sign-ins from IPv6 addresses cannot be mapped to countries or regions, and are considered unknown areas. Only IPv4 addresses can be mapped to countries or regions.

If you select Determine location by GPS coordinates (Preview), the user will need to have the Microsoft Authenticator app installed on their mobile device. Every hour, the system will contact the user’s Microsoft Authenticator app to collect the GPS location of the user’s mobile device.

The first time the user is required to share their location from the Microsoft Authenticator app, the user will receive a notification in the app. The user will need to open the app and grant location permissions.

For the next 24 hours, if the user is still accessing the resource and granted the app permission to run in the background, the device's location is shared silently once per hour. After 24 hours, the user must open the app and approve the notification. Every time the user shares their GPS location, the app does jailbreak detection (Using the same logic as the Intune MAM SDK). If the device is jailbroken, the location is not considered valid and the user is not granted access.

A Conditional Access policy with GPS-based named locations in report-only mode prompts users to share their GPS location, even though they are not blocked from signing in.

Important

Users may receive prompts every hour letting them know that Azure AD is checking their location in the Authenticator app. The preview should only be used to protect very sensitive apps where this behavior is acceptable or where access needs to be restricted to a specific country/region.

Include unknown countries/regions

Some IP addresses are not mapped to a specific country or region, including all IPv6 addresses. To capture these IP locations, check the box Include unknown countries/regions when defining a geographic location. This option allows you to choose if these IP addresses should be included in the named location. Use this setting when the policy using the named location should apply to unknown locations.

Configure MFA trusted IPs

You can also configure IP address ranges representing your organization's local intranet in the multi-factor authentication service settings. This feature enables you to configure up to 50 IP address ranges. The IP address ranges are in CIDR format. For more information, see Trusted IPs.

If you have Trusted IPs configured, they show up as MFA Trusted IPs Pe design 8 crack for idm torrent. in the list of locations for the location condition.

Skipping multi-factor authentication

On the multi-factor authentication service settings page, you can identify corporate intranet users by selecting Skip multi-factor authentication for requests from federated users on my intranet. This setting indicates that the inside corporate network claim, which is issued by AD FS, should be trusted and used to identify the user as being on the corporate network. For more information, see Enable the Trusted IPs feature by using Conditional Access.

After checking this option, including the named location MFA Trusted IPs will apply to any policies with this option selected.

For mobile and desktop applications, which have long lived session lifetimes, Conditional Access is periodically reevaluated. The default is once an hour. When the inside corporate network claim is only issued at the time of the initial authentication, Azure AD may not have a list of trusted IP ranges. In this case, it is more difficult to determine if the user is still on the corporate network:

1. Check if the user’s IP address is in one of the trusted IP ranges.
2. Check whether the first three octets of the user’s IP address match the first three octets of the IP address of the initial authentication. The IP address is compared with the initial authentication when the inside corporate network claim was originally issued and the user location was validated.

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If both steps fail, a user is considered to be no longer on a trusted IP.

Location condition in policy

When you configure the location condition, you can distinguish between:

• Any location
• All trusted locations
• Selected locations

Any location

By default, selecting Any location causes a policy to be applied to all IP addresses, which means any address on the Internet. This setting is not limited to IP addresses you have configured as named location. When you select Any location, you can still exclude specific locations from a policy. For example, you can apply a policy to all locations except trusted locations to set the scope to all locations, except the corporate network.

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All trusted locations

This option applies to:

• All locations that have been marked as trusted location
• MFA Trusted IPs (if configured)

Selected locations

With this option, you can select one or more named locations. For a policy with this setting to apply, a user needs to connect from any of the selected locations. When you Select the named network selection control that shows the list of named networks opens. The list also shows if the network location has been marked as trusted. The named location called MFA Trusted IPs is used to include the IP settings that can be configured in the multi-factor authentication service setting page.

IPv6 traffic

By default, Conditional Access policies will apply to all IPv6 traffic. You can exclude specific IPv6 address ranges from a Conditional Access policy if you don’t want policies to be enforced for specific IPv6 ranges. For example, if you want to not enforce a policy for uses on your corporate network, and your corporate network is hosted on public IPv6 ranges.

Identifying IPv6 traffic in the Azure AD Sign-in activity reports

You can discover IPv6 traffic in your tenant by going the Azure AD sign-in activity reports. After you have the activity report open, add the “IP address” column. This column will give you to identify the IPv6 traffic.

You can also find the client IP by clicking a row in the report, and then going to the “Location” tab in the sign-in activity details.

When will my tenant have IPv6 traffic?

Azure Active Directory (Azure AD) doesn’t currently support direct network connections that use IPv6. However, there are some cases that authentication traffic is proxied through another service. In these cases, the IPv6 address will be used during policy evaluation.

Most of the IPv6 traffic that gets proxied to Azure AD comes from Microsoft Exchange Online. When available, Exchange will prefer IPv6 connections. So if you have any Conditional Access policies for Exchange, that have been configured for specific IPv4 ranges, you’ll want to make sure you’ve also added your organizations IPv6 ranges. Not including IPv6 ranges will cause unexpected behavior for the following two cases:

• When a mail client is used to connect to Exchange Online with legacy authentication, Azure AD may receive an IPv6 address. The initial authentication request goes to Exchange and is then proxied to Azure AD.
• When Outlook Web Access (OWA) is used in the browser, it will periodically verify all Conditional Access policies continue to be satisfied. This check is used to catch cases where a user may have moved from an allowed IP address to a new location, like the coffee shop down the street. In this case, if an IPv6 address is used and if the IPv6 address is not in a configured range, the user may have their session interrupted and be directed back to Azure AD to reauthenticate.

In addition, if you are using Azure VNets, you will have traffic coming from an IPv6 address. If you have VNet traffic blocked by a Conditional Access policy, check your Azure AD sign-in log. Once you’ve identified the traffic, you can get the IPv6 address being used and exclude it from your policy.

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Note

If you want to specify an IP CIDR range for a single address, apply the /128 bit mask. If you see the IPv6 address 2607:fb90:b27a:6f69:f8d5:dea0:fb39:74a and wanted to exclude that single address as a range, you would use 2607:fb90:b27a:6f69:f8d5:dea0:fb39:74a/128.

What you should know

When is a location evaluated?

Conditional Access policies are evaluated when:

• A user initially signs in to a web app, mobile or desktop application.
• A mobile or desktop application that uses modern authentication, uses a refresh token to acquire a new access token. By default this check is once an hour.

This check means for mobile and desktop applications using modern authentication, a change in location would be detected within an hour of changing the network location. For mobile and desktop applications that don’t use modern authentication, the policy is applied on each token request. The frequency of the request can vary based on the application. Similarly, for web applications, the policy is applied at initial sign-in and is good for the lifetime of the session at the web application. Due to differences in session lifetimes across applications, the time between policy evaluation will also vary. Each time the application requests a new sign-in token, the policy is applied.

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By default, Azure AD issues a token on an hourly basis. After moving off the corporate network, within an hour the policy is enforced for applications using modern authentication.

User IP address

The IP address used in policy evaluation is the public IP address of the user. For devices on a private network, this IP address is not the client IP of the user’s device on the intranet, it is the address used by the network to connect to the public internet.

Bulk uploading and downloading of named locations

When you create or update named locations, for bulk updates, you can upload or download a CSV file with the IP ranges. An upload replaces the IP ranges in the list with those ranges from the file. Each row of the file contains one IP Address range in CIDR format.

Cloud proxies and VPNs

When you use a cloud hosted proxy or VPN solution, the IP address Azure AD uses while evaluating a policy is the IP address of the proxy. The X-Forwarded-For (XFF) header that contains the user’s public IP address is not used because there is no validation that it comes from a trusted source, so would present a method for faking an IP address.

When a cloud proxy is in place, a policy that is used to require a hybrid Azure AD joined device can be used, or the inside corpnet claim from AD FS.

API support and PowerShell

A preview version of the Graph API for named locations is available, for more information, see the namedLocation API.

Next steps

• Configure a Conditional Access policy using location, see the article Conditional Access: Block access by location.