Mailinglist Archive: opensuse-security (547 mails)
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Re: [suse-security] preventing login screen emulation?
- From: "Kurt Seifried" <listuser@xxxxxxxxxxxx>
- Date: Wed, 1 Nov 2000 01:07:42 -0700
- Message-id: <006301c043da$cf5bb800$6900030a@xxxxxxxxxxxx>
> On Tue, 31 Oct 2000, someone (possibly Michael Grundel) said:
>
> //snip
> > Is there a way to prevent a user from "emulating" a login screen (especially
> > for the console)?
>
> If you enable the magic sysrq key, you can press Alt+SysRq+k to kill all
> processes running on the current console. Init will then start another
> instance of getty, and you can log in relatively safely. The sysrq key
> does other stuff too, which could be a problem (like the ability for
> anybody to crash the box in passing) -- you may want to hack the kernel
> sources.
Keyboards can be remapped.
> &:-)
-Kurt
>
> //snip
> > Is there a way to prevent a user from "emulating" a login screen (especially
> > for the console)?
>
> If you enable the magic sysrq key, you can press Alt+SysRq+k to kill all
> processes running on the current console. Init will then start another
> instance of getty, and you can log in relatively safely. The sysrq key
> does other stuff too, which could be a problem (like the ability for
> anybody to crash the box in passing) -- you may want to hack the kernel
> sources.
Keyboards can be remapped.
> &:-)
-Kurt
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