Re: Anti Hijacking tools
Karl Strickland (karl@bagpuss.demon.co.uk)
Sat, 28 Jan 1995 18:17:01 +0000 (GMT)
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> > Here is a program that does some of what der Mouse's device
> > driver does but runs as program that edits /dev/kmem to disable
> > the device /dev/vd.
> >
> > I did what can to bullet proof the code so that it does not stomp on
> > the wrong device driver.
> >
> > Written and tested under 4.1.3u1
> >
> > -Pete
> > shipley@dis.org
>
>
> AntiHijacking tool? It disables sun4's kernel ability to modload modules
> on fly, thus also disables things like ppp, slip, et al. I won't call it
> a solution.
Also note that there's nothing to stop someone opening /dev/kmem and putting
the correct cdevsw[] entries back in place. If you dont need loadable modules,
they're safer out of your kernel. If you do need them, better stop people
fucking about with /dev/kmem after you've disabled them via this method.
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Mailed using ELM on FreeBSD | Karl Strickland
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