-- USBGuard daemon
is the main component of the USBGuard software
framework. It runs as a service in the background and enforces the USB device
authorization policy for all USB devices. The policy is defined by a set of
rules using a rule language described in usbguard-rules.conf
policy and the authorization state of USB devices can be modified during
runtime using the usbguard
- Enable debugging messages in the log.
- Log to syslog.
- Log to console.
- -l <path>
- Log to a file at path.
- -p <path>
- Write PID to a file at path.
- -c <path>
- Load configuration from a file at path (default:
- Show the help/usage screen.
The daemon provides the USBGuard public IPC interface. Depending on your
distribution defaults, the access to this interface is limited to a certain
group or a specific user only. Please refer to the
(5) man page for more information on how to
configure the ACL correctly. Do not leave the ACL unconfigured as that will
expose the IPC interface to all local users and will allow them to
manipulate the authorization state of USB devices and modify the
If you find a bug in this software or if you'd like to request a feature to be
implemented, please file a ticket at
Copyright © 2015 Red Hat, Inc. License GPLv2+: GNU GPL version 2 or later
<http://gnu.org/licenses/gpl.html>. This is free software: you are free
to change and redistribute it. There is NO WARRANTY, to the extent permitted
Daniel Kopeček <firstname.lastname@example.org>.