This will open the Group Policy Management Editor (GPME). Once the base GPO has been created, right click it and select Edit. In this case we’ll create one called AppLocker. We’ll start by opening Server Manager, selecting Tools, followed by Group Policy Management.įrom the Group Policy Management window that opens, we’ll select the group policy objects folder within the domain, right click and select new to create a new group policy object (GPO). Now we’ll actually implement AppLocker rules using group policy. If a file changes at all, for instance if an executable is updated, it will not be allowed to run as the allowed hash will have changed too. File Hash: While this may be the most secure option, it is inconvenient to work with and manage.Path: Executables can be whitelisted by providing a folder path, for example we can say that anything within C:\executables is allowed to be run by a specific active directory user group.If the publisher, file name or version etc change then the executable will no longer be allowed to run. Publisher: This method of whitelisting items is used when creating default rules as we’ll soon see, it works based on checking the publisher of the executable and allowing this.With each of these rules we can whitelist based on the publisher, path, or file hash. Packaged App Rules: These rules apply to the Windows applications that may be downloaded through the Windows store with the.Script Rules: These rules apply to scripts such as. ![]() Windows Installer Rules: These rules apply to files used for installing programs such as.Executable Rules: These rules apply to executables, such as.For more related posts and information check out our full 70-744 study guide.īefore proceeding let’s discuss the types of rules that we can create with AppLocker. This post is part of our Microsoft 70-744 Securing Windows Server 2016 exam study guide series. AppLocker will not allow anything to run unless it has been explicitly whitelisted, which could cause problems in your environment if users are not able to run required software to do their job. Note that before you implement AppLocker rules in a production environment it is important to perform thorough testing. The AppLocker requirements can be found here. Note that it’s only available for particular editions, for example in Windows 10 you need Enterprise edition to make use of AppLocker. ![]() AppLocker takes the approach of denying all executables from running unless they have specifically been whitelisted and allowed.ĪppLocker is available in Windows Server 2008 R2 and newer, and Windows 7 Enterprise edition or newer on the client side. We can implement AppLocker rules using group policy in a Windows domain to limit the execution of arbitrary executable files.
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