Menu path: Sessions > Citrix > Citrix Global > Native USB Redirection
USB devices can be permitted or prohibited during a Citrix session on the basis of rules. Sub-rules for specific devices or device classes are also possible. The use of rules is described under USB Access Control.
Native USB redirection
☑
Native USB redirection is enabled globally.
Enable either native USB redirection or Fabulatech USB redirection, but not both together.
Default rule: This rule will apply if no special rule was configured for a class or a device.
- Deny
- Allow
Tip
To secure your endpoint, it is generally recommended to set Default rule to Deny and to configure Allow rules only for the required USB devices and USB device classes.
Class Rules
Class rules apply to USB device classes and sub-classes.
To manage rules, proceed as follows:
Click
to create a new entry.
Click
to remove the selected entry.
Click
to edit the selected entry.
Click
to copy the selected entry.
Add class rule:
Rule:
Class ID: Selection list
Sub-class ID: Selection list
Name: Free text entry
Device Rules
Device rules apply to specific USB devices.
Add device rule:
Rule:
Vendor ID: Hexadecimal manufacturer number
Product ID: Hexadecimal device number
Getting USB Device Information
To find out the Class ID, Subclass ID, Vendor ID and Product ID of the connected USB device, you can use the System Information tool. For further information, see Using “System Information” Function.
System Information example:

Alternatively, you can use the command lsusb
(or lsusb | grep -i [search term]
) in the terminal.
Example for lsusb
:

Name: Free text entry
See also an overview and best-practice recommendations for the use of webcams under Webcam Redirection and Optimization.