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Minimize Storage Space and Safeguard Files with Filr

rarun

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July 18, 2017 9:44 am

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With ease of file access & share, comes the cost of storage and risk of infected files. In today’s work environment, users have greater freedom to store files in shared and personal folders. Though this helps improve productivity, users might end up uploading personal & unapproved files (such as videos) to the enterprise storage, thereby using large amounts of the storage space. This might result in various administrative issues, such as:

  1. Risks to security: Personal files can be malicious and often are the cause for various security threats.
  2. Risks to compliance: These files are also likely source of breach in the system compliance.
  3. Risks of increasing administrative costs: These files might consume significant storage space and network bandwidth, which directly increases the administrative costs and the total cost of ownership.

Filr 3 Advanced Edition introduced a new feature – “File Type Blocking”.

This feature enables the administrator to allow or block the types of files that users upload to the Filr site. Thereby, preventing administrative nightmares caused by these undesirable files.

NOTE:

  • This capability is available in Filr Advanced Edition only.
  • Ensure that your Filr appliance has the latest Filr 3 patch applied.

 How to Configure blocking based on File Types

Go to Filr Admin Console Management > File Upload > File Type Blocking tab.
Select one of Administrative Modes:

  • No restrictions – Allow users to upload files of all types (Default)
  • Whitelist – Allow uploading of only the listed file types
  • Blacklist – Block uploading of the listed file types

When you know which types of files users can upload – Then Whitelist the files!

As an administrator, if you are sure about the file types you need to allow for uploading, whitelisting the file-types serve your needs.
Example: When you want to allow upload of only PDF and docx files to the Filr site, do the following:

  1. Select Whitelist.
  2. Click Add and specify“pdf, docx” under File Type(s)
    1. With default Media Option, following file types are whitelisted
      .3gp, .avi, .flv, .m4v, .mkv, .mov, .mp4, .qt, .rm
    2. With default Document Option, following file types are whitelisted
      .doc, .docx, .dot, .dotx, .pdf, .ppt, .pptx, .txt, .xlm, .xls, .xlsm, .xlsx
    3. To whitelist files outside the default options, specify the file type extension.
  3. Click OK & Click Apply

Users can now upload files of all the types that are whitelisted. If a user tries to upload a file of type that is not whitelisted, an error message indicating that the admin has restricted the upload of such file types is displayed as shown in the below figure.

What Happens When A User Tries to Upload a File Without Any Extension?

If a user removes the extension of a file having a type that is not whitelisted and attempts to upload such a file, an error message indicating that the admin has restricted the upload of such file type is displayed as shown in below figure:

When you know which type of files the users should not upload – Then Blacklist the file-types!

As an administrator, if you are sure about the types of files that users must not upload, Blacklisting file-types will serve your needs.

Example: If you do not want to allow uploading of audio and video Files to the Filr system, do the following:

  1. Select Blacklist.
  2. Clicks Add and selects Media under File Type(s).
    1. With default Media Option, following file types are blacklisted
      .3gp,.avi,.flv,.m4v,.mkv,.mov,.mp4,.qt,.rm
    2. With default Document Option, following file types are blacklisted
      .doc, .docx, .dot, .dotx, .pdf, .ppt, .pptx, .txt, .xlm, .xls, .xlsm, .xlsx
    3. To blacklist files outside the default option, specify the file type extension.
  3. Click OK.

If a user uploads .mp4 files when the administrator has blocked media file extension, an error message indicating that the admin has restricted the upload of this file type  is displayed as shown in below figure:

What Happens When a User Uploads Media Files As Archive Files?
What Happens When a User Uploads Media Files renaming their extension?

Even if a user renames or zips the media files and attempts to upload a .mp4 file when the administrator has blocked uploading of media file types,  an error message indicating that the administrator has restricted the uploading of this file type is displayed as below:

 

Note : Archive and compressed files are blacklisted only if the first-level folder within the archive and compressed file contains at least one blacklisted file.

This File Type Blocking feature provides you greater control in restricting the types of files that users can upload to the Filr server and thereby helps you save storage costs and improve security of your system.

For More Details, Refer File Type Blocking Documentation

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Categories: File Services and Management, Filr, Technical

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Disclaimer: This content is not supported by Micro Focus. It was contributed by a community member and is published "as is." It seems to have worked for at least one person, and might work for you. But please be sure to test it thoroughly before using it in a production environment.

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