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Topic: «No alert on blocked audio devices»

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Ed Bruce


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Joined: 04/26/2011
I've noticed that blocked USB storage devices always get a notification in the system tray that the user doesn't have permission to access the device. However, we don't get an alert when plugging in an audio device (USB audio headset) that is blocked. Is this normal or is there a setting change that would allow this?
Posted: 04/26/2011 19:14:12

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Jennifer Bousquet
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It would all depend on what layer the device is actually blocked. Are you locking down the USB port to all users or do you control USB Removable device access via the Removable permissions?
Posted: 04/26/2011 20:40:46

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Ed Bruce


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We control Removable device access via the Removable Permissions.

I did some more testing today with a USB Headset and the icon does show up but sometimes the message is hidden and if you click on the message more than once it and the icon disappears. I found that by Enabling the "Always show tray icon", it makes it easier to click on the icon and see the message.

For USB Removable Storage devices, the message consistently shows up in the foreground.
Posted: 04/27/2011 00:12:58

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Jennifer Bousquet
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Are you not controlling the USB port via permissions?
Posted: 04/27/2011 00:40:32

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Ed Bruce


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We are controlling the USB port via permissions.

Our main objective is to keep users from connecting Removable Storage Devices. However, we would like to easily allow them to use USB audio devices and scanners without having to white list each device. What is the best way to do this? Can we just apply rights to "Removable" and allow full permissions to "USB port"? Or, do we also have to restrict at "USB port"? In "Security Settings", we only have "Access control for USB storages devices" selected.
Posted: 05/04/2011 20:48:25

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Jennifer Bousquet
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You would grant access to USB to your users, restrict access at Removable and also ensure that your Access Control for Scanners aned Still Image Devices is disabled to accomplish this.
Posted: 05/04/2011 22:29:52

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