NAME

       usbguard-daemon - USBGuard daemon

SYNOPSIS

       usbguard-daemon [OPTIONS]

DESCRIPTION

       The 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(5). The policy and the
       authorization state of USB devices can be modified during runtime using the usbguard(1) tool.

OPTIONS

       -d
           Enable debugging messages in the log.

       -f
           Enable classical daemon behavior (fork at start, sysV compliant).

       -s
           Log to syslog.

       -k
           Log to console. (default)

       -K
           Disable Logging to console.

       -l path
           Log to a file at path.

       -p path
           Write PID to a file at path (default: /var/run/usbguard.pid).

       -c path
           Load configuration from a file at path (default: /etc/usbguard/usbguard-daemon.conf).

       -P
           Disable permissions check on conf and policy files (default: /etc/usbguard/usbguard-daemon.conf).

       -C
           Drop capabilities to limit privileges of the process.

       -W
           Use a seccomp whitelist to limit available syscalls to the process.

       -h
           Show the help/usage screen.

SECURITY CONSIDERATIONS

       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
       usbguard-daemon.conf(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. That will allow them to
       manipulate the authorization state of USB devices and modify the USBGuard policy.

SEE ALSO

       usbguard-daemon.conf(5), usbguard-rules.conf(5), usbguard(1)

BUGS

       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 https://github.com/USBGuard/usbguard/issues/new.

AUTHOR

       USBGuard was originally written by Daniel Kopeček. Many people have contributed to it.

RESOURCES

       Main web site: https://usbguard.github.io/

COPYING

       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 by law.

                                                   04/13/2022                                 USBGUARD-DAEMON(8)