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Date: Fri, 08 Aug 2014 23:03:58 +0200
From: Yves-Alexis Perez <>
Subject: Re: BadUSB discussion

On ven., 2014-08-08 at 22:41 +0200, Yves-Alexis Perez wrote:
> > 
> > Then do just that, Linux has allowed you to do this for years, again,
> > but very few people take advantage of it.
> Reading that thread, that's exactly what I thought about that. I guess
> it could be a good idea to set usbcore.authorized_default to 0 when the
> systems is locked (logind could provide that information). There's still
> the issue that it's then not possible to unlock the system in some
> situation (for example because you had to unplug the keyboard while
> logged out, or stuff like that). But at least that would be a
> possibility.

Actually, since it's a module parameter, it doesn't seem possible to
toggle it without reloading the module (or rebooting if it's builtin).
So it might not be that easy to do the locking part.


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