- Lab
-
Libraries: If you want this lab, consider one of these libraries.
- Cloud
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Creating USBGuard Rules
In this lab, we'll be creating rules within USBGuard. These rules are what will permit or deny a host to communicate with a USB device. We'll also look at defining how to treat USB devices that dont meet any of the configured rules. *This course is not approved or sponsored by Red Hat.*

Lab Info
Table of Contents
-
Challenge
Create USBGuard Rules for Permitted Devices
- Create a local file named
rules.conf
and add twoallow
lines
[root@host]# nano rules.conf
Enter these two lines:
allow name "Ubikey" allow serial "7856749487475"
Press
Ctrl
+x
to quit, and save at the prompt- Commit the USBGuard rule changes by running the following command
install -m 0600 -o root -g root rules.conf /etc/usbguard/rules.conf
- Create a local file named
-
Challenge
Set Rule for Devices that Don't Meet Criteria
- Edit the
/etc/usbguard/usbguard-daemon.conf
file
[root@host]# nano /etc/usbguard/usbguard-daemon.conf
Set the
ImplicitPolicyTarget
toblock
:ImplicitPolicyTarget=block
Press
Ctrl
+x
to quit, and save at the prompt- Restart the USBGuard service
[root@host]# systemctl restart usbguard.service
- Edit the
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