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Create file screens to block files that belong to particular file groups from being saved on a volume or in a folder tree. A file screen affects all folders in the designated path. For example, you might create a file screen to prevent users from storing audio and video files in their personal folders on the server.
You can configure File Server Resource Manager to generate e-mail or other notifications when a file screening event occurs.
A file screen can be either active or passive:
Active screening prevents users from saving unauthorized file types on the server.
Passive screening monitors users saving specific file types and generates any configured notifications, but does not prevent users from saving files.
A file screen does not prevent users and applications from accessing files that were saved to the path before the file screen was created, regardless of whether the files are members of blocked file groups.
To simplify the management of file screens, we recommend that you base your file screens on file screen templates. A file screen template defines a screening type (active or passive), a set of file groups to block, and a set of notifications to be generated when a user attempts to save an unauthorized file. File Server Resource Manager provides several default file screen templates, which you can use to block audio and video files, executable files, image files, and e-mail files—and to meet some other common administrative needs. To view the default templates, select the File Screen Templates node in the File Server Resource Manager console tree.
For additional flexibility, you can configure a file screen exception in a subfolder of a path where you have created a file screen. When you place a file screen exception on a subfolder, you allow users to save file types there that would otherwise be blocked by the file screen applied to the parent folder.
In this section:
Working with File Groups
Creating a File Screen
Creating a File Screen Exception
Monitoring File Screening
Before you begin working with file screens, you must understand the role of file groups in determining which files are screened. A file group is used to define a namespace for a file screen or a file screen exception, or to generate a Files by File Group storage report.
A file group consists of a set of file name patterns, which are grouped into files to include and files to exclude:
^ : files that belong in the group.
Files to exclude: files that do not belong in the group.
For example, an Audio Files file group might include the following file name patterns:
Files to include: *.mp*: includes all audio files created in current and future MPEG formats (MP2, MP3, and so forth).
^ : *.mpp: excludes files created in Microsoft Project (.mpp files), which would otherwise be included by the *.mp* inclusion rule.
File Server Resource Manager provides several default file groups, which you can view in File Screening Management by clicking the File Groups node. You can define additional file groups, or change the files to include and exclude. Any changes that you make to a file group affect all existing file screens, templates, and reports to which the file group has been added.
For convenience, you can modify file groups when you edit the properties of a file screen, file screen exception, file screen template, or the Files by File Group report. Note that any changes that you make to a file group from these property sheets will affect all items that use that file group.
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