Describes the functionality of the Port Scanning Prevention Filter in Windows Server 2008 and later versions of Windows. Includes a workaround for by-design behavior that generates lots of disk I/O when there's activity in the wfpdiag.etl log.

Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

Find out about advanced network settings and how to configure them, including IP, DNS, and QoS tagging settings.

Select Device details. Select Manage in Windows Security. Select Quick scan. Tips: If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the type of scan you want. For the most complete scan, run Microsoft Defender Offline. For more about that see Help protect my PC with Microsoft Defender Offline.

Summary. This update services the EDR sensor included in the new Microsoft Defender for Endpoint unified solution package released in 2021. Installation is required before this package can be applied. For more information about prerequisites and installation steps refer to Onboard Windows servers to the Microsoft Defender for Endpoint service.

Find out about advanced network settings and how to configure them, including IP, DNS, and QoS tagging settings.

Use antimalware programs, such as Windows Security, whenever you’re concerned your PC might be infected. For example, if you hear about new malware in the news or you notice odd behavior on your PC. See Virus & threat protection in Windows Security for how to scan your device.

To let your Xbox console communicate with the Xbox network, you might need to open or forward ports, which means you'll be making a configuration change to your firewall or network hardware, such as a router. Port forwarding for Xbox is done on your router or other network hardware, not on the Xbox console itself. Collapse all.

Security Windows 10 Windows 11. Firewall & network protection in Windows Security lets you view the status of Microsoft Defender Firewall and see what networks your device is connected to. You can turn Microsoft Defender Firewall on or off and access advanced Microsoft Defender Firewall options for the following network types: