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SubjectRe: T13 SPEC and how to READ IT......
In <20000725201630.E437@gnu.org> Adam Sampson (azz@gnu.org) wrote:
> On Mon, Jul 24, 2000 at 02:17:42PM +0200, Matthias Andree wrote:
>> So, there will still be ways to bypass Win98 or MacOS or whatever. When
>> there is no 100% safe way that the OS can prevent
>> RESERVED/ILLEGAL/whatever commands, why try to have the OS do it WHILE IT
>> CANNOT 100% SUCCEED?
> But there _is_ a 100% safe way: block raw access through other methods.

Yeah ?

> (Imagine an OS which ran everything under an emulated processor---it would
> be easy to trap hardware accesses and validate them.)

Trap - may be. Validate - hardly. Malicious IDE code is small enough to
fit in boot sector. No how you'll distinguish good LiLo try to change
boot sector from bad cracker ?

> Linux is getting there; it's just not terribly convenient.





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