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SubjectRe: [PATCH] Allow /dev/{,k}mem to be disabled to prevent kernel from being modified easily
On Sun, Aug 03, 2003 at 09:18:33PM +0200, bert hubert wrote:

> Well, I fear the runtime overhead - as it is, I suspect this patch is
> somewhat inflamatory anyhow ('tough luck you were hacked', 'you are fscked
> anyhow').

I don't worry about this on opening *mem !

> I'll whip up a dynamic patch soonish - I'm unsure about the right location,
> /proc/sys/ something?

hmmm something such as /proc/sys/kernel/secured ?

You could even implement 3 levels :
- 0 = normal
- 1 = secured, but can go back to 0. At least this stops automated scripts.
- 2 = secured and cannot go back to lower level anyhow.

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