Specify additional definition sets for network traffic inspection This policy setting defines additional definition sets to enable for network traffic inspection. Definition set GUIDs should be added under the Options for this setting. Each entry must be listed as a name value pair, where the name should be a string representation of a definition set GUID. As an example, the definition set GUID to enable test definitions is defined as: ?{b54b6ac9-a737-498e-9120-6616ad3bf590}?. The value is not used and it is recommended that this be set to 0. If you enable this setting, the network traffic for the specified definition sets is inspected. If you disable or do not configure this setting, the network traffic for specific definition sets is not inspected.

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(1) GPO: Computer Configuration\Administrative Templates\Windows Components\Windows Defender\Network Inspection System!Specify additional definition sets for network traffic inspection (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\NIS\Consumers\IPS\SKU Differentiation!Nis_Consumers_IPS_sku_differentiation_Signature_Set_Guid