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Merge pull request #9372 from MaratMussabekov/patch-268

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fixed incorrect markup
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Denise Vangel-MSFT 2021-03-29 13:34:56 -07:00 committed by GitHub
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windows/security/threat-protection/microsoft-defender-antivirus/configure-extension-file-exclusions-microsoft-defender-antivirus.md
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@ -40,7 +40,7 @@ This article describes how to configure exclusion lists for the files and folde
| Exclusion | Examples | Exclusion list |
|:---|:---|:---|
|Any file with a specific extension | All files with the specified extension, anywhere on the machine.<br/>Valid syntax: `.test` and `test` | Extension exclusions |
|Any file with a specific extension | All files with the specified extension, anywhere on the machine. <p> Valid syntax: `.test` and `test` | Extension exclusions |
|Any file under a specific folder | All files under the `c:\test\sample` folder | File and folder exclusions |
| A specific file in a specific folder | The file `c:\sample\sample.test` only | File and folder exclusions |
| A specific process | The executable file `c:\test\process.exe` | File and folder exclusions |
@ -99,8 +99,6 @@ See [How to create and deploy antimalware policies: Exclusion settings](/configm
5. Choose **OK**.
![The Group Policy setting for file and folder exclusions](images/defender/wdav-path-exclusions.png)
6. Open the **Extension Exclusions** setting for editing and add your exclusions.
- Set the option to **Enabled**.
@ -139,7 +137,7 @@ The following are allowed as the `<exclusion list>`:
> [!IMPORTANT]
> If you have created a list, either with `Set-MpPreference` or `Add-MpPreference`, using the `Set-MpPreference` cmdlet again will overwrite the existing list.
For example, the following code snippet would cause Microsoft Defender AV scans to exclude any file with the `.test` file extension:
For example, the following code snippet would cause Microsoft Defender Antivirus scans to exclude any file with the `.test` file extension:
```PowerShell
Add-MpPreference -ExclusionExtension ".test"
@ -183,9 +181,9 @@ The following table describes how the wildcards can be used and provides some ex
|Wildcard |Examples |
|:---------|:---------|
|`*` (asterisk) <br/><br/>In **file name and file extension inclusions**, the asterisk replaces any number of characters, and only applies to files in the last folder defined in the argument. <br/><br/>In **folder exclusions**, the asterisk replaces a single folder. Use multiple `*` with folder slashes `\` to indicate multiple nested folders. After matching the number of wild carded and named folders, all subfolders are also included. | `C:\MyData\*.txt` would include `C:\MyData\notes.txt`<br/><br/>`C:\somepath\*\Data` would include any file in `C:\somepath\Archives\Data and its subfolders` and `C:\somepath\Authorized\Data and its subfolders` <br/><br/>`C:\Serv\*\*\Backup` would include any file in `C:\Serv\Primary\Denied\Backup and its subfolders` and `C:\Serv\Secondary\Allowed\Backup and its subfolders` |
|`?` (question mark) <br/><br/>In **file name and file extension inclusions**, the question mark replaces a single character, and only applies to files in the last folder defined in the argument. <br/><br/>In **folder exclusions**, the question mark replaces a single character in a folder name. After matching the number of wild carded and named folders, all subfolders are also included. |`C:\MyData\my?` would include `C:\MyData\my1.zip` <br/><br/>`C:\somepath\?\Data` would include any file in `C:\somepath\P\Data` and its subfolders <br/><br/>`C:\somepath\test0?\Data` would include any file in `C:\somepath\test01\Data` and its subfolders |
|Environment variables <br/><br/>The defined variable is populated as a path when the exclusion is evaluated. |`%ALLUSERSPROFILE%\CustomLogFiles` would include `C:\ProgramData\CustomLogFiles\Folder1\file1.txt` |
|`*` (asterisk) <p> In **file name and file extension inclusions**, the asterisk replaces any number of characters, and only applies to files in the last folder defined in the argument. <p> In **folder exclusions**, the asterisk replaces a single folder. Use multiple `*` with folder slashes `\` to indicate multiple nested folders. After matching the number of wild carded and named folders, all subfolders are also included. | `C:\MyData\*.txt` includes `C:\MyData\notes.txt` <p> `C:\somepath\*\Data` includes any file in `C:\somepath\Archives\Data` and its subfolders, and `C:\somepath\Authorized\Data` and its subfolders <p> `C:\Serv\*\*\Backup` includes any file in `C:\Serv\Primary\Denied\Backup` and its subfolders and `C:\Serv\Secondary\Allowed\Backup` and its subfolders |
|`?` (question mark) <p> In **file name and file extension inclusions**, the question mark replaces a single character, and only applies to files in the last folder defined in the argument. <p> In **folder exclusions**, the question mark replaces a single character in a folder name. After matching the number of wild carded and named folders, all subfolders are also included. |`C:\MyData\my?.zip` includes `C:\MyData\my1.zip` <p> `C:\somepath\?\Data` includes any file in `C:\somepath\P\Data` and its subfolders <p> `C:\somepath\test0?\Data` would include any file in `C:\somepath\test01\Data` and its subfolders |
|Environment variables <p> The defined variable is populated as a path when the exclusion is evaluated. |`%ALLUSERSPROFILE%\CustomLogFiles` would include `C:\ProgramData\CustomLogFiles\Folder1\file1.txt` |
> [!IMPORTANT]
@ -360,4 +358,4 @@ You can also copy the string into a blank text file and attempt to save it with
- [Configure and validate exclusions in Microsoft Defender Antivirus scans](configure-exclusions-microsoft-defender-antivirus.md)
- [Configure and validate exclusions for files opened by processes](configure-process-opened-file-exclusions-microsoft-defender-antivirus.md)
- [Configure Microsoft Defender Antivirus exclusions on Windows Server](configure-server-exclusions-microsoft-defender-antivirus.md)
- [Common mistakes to avoid when defining exclusions](common-exclusion-mistakes-microsoft-defender-antivirus.md)
- [Common mistakes to avoid when defining exclusions](common-exclusion-mistakes-microsoft-defender-antivirus.md)