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How to Block Skype for Business

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This feature is available with the Barracuda Web Security Gateway version 14.0 and higher.

To completely block Skype for Business, you may have to also block Microsoft Services (See the BLOCK/ACCEPT > Applications page). This is because Skype for Business and other Microsoft Services are co-mingled, such that some other Microsoft Services could be detected as Skype for Business. If you block Microsoft Services, this could include blocking One Drive, Sharepoint, etc.  Because Microsoft does not provide a complete list of what Microsoft Services contains, some services may be blocked, while others may not. If you don't want to block Microsoft Services, begin by blocking Skype for Business first, and then test. If Skype for Business is not completely blocked, you would need to block Microsoft Services as well.

 

To block Skype for Business traffic for either Authenticated or Unauthenticated users:

  1. Go to the BLOCK/ACCEPT > Applications page.
  2. Select either Authenticated or Unauthenticated for Policy in the upper right of the page.
  3. To easily locate Skype for Business, uncheck all of the boxes under Allowed Applications except for Business/Productivity.
  4. Select Skype for Business in the scroll list.
  5. Click Block >>, then click Save.
    SkypeForBusiness.png

To block for a specific user or group of users, use the BLOCK/ACCEPT > Exceptions page. See also Exception Policies.

To block Microsoft Services traffic for either Authenticated or Unauthenticated users:

  1. Follow steps 1 and 2 above.
  2. To easily locate Microsoft Services, uncheck all of the boxes under Allowed Applications except for Business/Productivity.
  3. Select Microsoft Services in the scroll list.
  4. Click Block >>, then click Save.
    MicrosoftServices.png