![]() ![]() If AppLocker is used, it is configured through group policy in Computer Configuration > Windows Settings > Security Settings > Application Control Policies > AppLocker. AppLocker is a whitelisting application built into Windows Server. Implementation guidance for AppLocker is available in the NSA paper "Application Whitelisting using Microsoft AppLocker" at the following link:Ĭonfigure an application whitelisting program to employ a deny-all, permit-by-exception policy to allow the execution of authorized software programs.Ĭonfiguration of whitelisting applications will vary by the program. This will produce an xml file with the effective settings that can be viewed in a browser or opened in a program such as Excel for review. Get-AppLockerPolicy -Effective -XML > c:\temp\file.xml Be sure to use a name that clearly indicates the purpose of the GPO. In the Name text box, type the name for your new GPO. If the AppLocker PowerShell module has not been imported previously, execute the following first:Įxecute the following command, substituting with a location and file name appropriate for the system: The only difference that I see in your tutorial is this line: This tutorial will show you how to use AppLocker to allow or block specified executable (.exe and. In the navigation pane, expand Forest:YourForestName, expand Domains, expand YourDomainName, and then click Group Policy Objects. If AppLocker is used, perform the following to view the configuration of AppLocker: A deny-by-default implementation is initiated by enabling any AppLocker rules within a category, only allowing what is specified by defined rules. If an application whitelisting program is not in use on the system, this is a finding.Ĭonfiguration of whitelisting applications will vary by the program.ĪppLocker is a whitelisting application built into Windows Server. Verify the operating system employs a deny-all, permit-by-exception policy to allow the execution of authorized software programs. This is applicable to unclassified systems. Windows Server 2019 Security Technical Implementation Guide The process used to identify software programs that are authorized to execute on organizational information systems is commonly referred to as whitelisting. The organization must identify authorized software programs and only permit execution of authorized software. The rules Applocker uses allow the scope of an. Using only authorized software decreases risk by limiting the number of potential vulnerabilities. AppLocker allows the administrator to control which applications are run on the computers in your domain. Using a whitelist provides a configuration management method to allow the execution of only authorized software.
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