So, an administrator can configure a rule such that notepad always runs with restricted permissions and never with administrative privileges. With SRP administrators can specify the permissions with which an app can run. Internally it uses the SHA2 Authenticode hash for Portable Executables (Exe and Dll) and Windows Installers and a SHA2 flat file hash for the rest. ![]() In Windows XP, SRP allows administrators to provide custom hash values.īeginning with Windows 7, and Windows Server 2008 R2, you can only select the file to hash, not provide the hash value.ĪppLocker computes the hash value itself. AppLocker currently supports the following file extensions: Administrators can add extensions for files that should be considered executable.ĪppLocker does not support this. SRP supports an extensible list of file types that are considered executable. Packaged apps and installersWere added beginning withWindows Server 2012 and Windows 8ĪppLocker maintains a separate rule collection for each of the five file types. All SRP rules are in a single rule collection.ĪppLocker can control the following file types on Windows Server 2008 R2 and Windows 7 and later versions: SRP cannot control each file type separately. SRP can control the following file types: SRP can also be configured in the “allow list mode” such that the by default all files are blocked and administrators need to create allow rules for files that they want to allow.ĪppLocker by default works in the “allow list mode” where only those files are allowed to run for which there is a matching allow rule. ![]() SRP works in the “deny list mode” where administrators can create rules for files that they do not want to allow in this Enterprise whereas the rest of the file are allowed to run by default. SRP policies are distributed through Group Policy.ĪppLocker policies are distributed through Group Policy. SRP policies must be updated by using the Local Security Policy snap-in (if the policies are created locally) or the Group Policy Management Console (GPMC).ĪppLocker policies can be updated by using the Local Security Policy snap-in (if the policies are created locally), or the GPMC, or the Windows PowerShell AppLocker cmdlets. The administrator on the local computer can modify the AppLocker policies defined in the local GPO.ĪppLocker permits customization of error messages to direct users to a Web page for help. The administrator on the local computer can modify the SRP policies defined in the local GPO.ĪppLocker policies are maintained through Group Policy and only the administrator of the GPO can update the policy. SRP policies are maintained through Group Policy and only the administrator of the GPO can update the SRP policy. SRP policies can be applied to all Windows operating systems beginning with Windows XP and Windows Server 2003.ĪppLocker policies apply only to Windows Server 2008 R2, Windows Server 2012, Windows 7, and Windows 8. The following table compares the features and functions of Software Restriction Policies (SRP) and AppLocker. ![]() When both SRP and AppLocker policies are applied to computers running Windows Server 2008 R2, Windows 7 and later, the SRP policies are ignored. It is recommended that you author AppLocker and SRP rules in separate GPOs and target the GPO with SRP policies to systems running Windows Vista or earlier. You can continue to use SRP for application control on your pre-Windows 7 computers, but use AppLocker for computers running Windows Server 2008 R2, Windows 7 and later. Software Restriction Policies (SRP) is supported on systems running Windows Vista or earlier. Using AppLocker and Software Restriction Policies in the same domainĪppLocker is supported on systems running Windows 7 and above. This topic for the IT professional describes concepts and procedures to help you manage your application control strategy using Software Restriction Policies and AppLocker. Applies To: Windows 8.1, Windows Server 2012 R2, Windows Server 2012, Windows 8
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