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SubjectRe: [RFC] ATA host-protected area (HPA) device mapper?

> The simple solution is: you never boot from the hard disk, but from a
> physically write protected device (write protected floppy, non writeable
> CD or CDRW in a non writing CDROM drive, USB thumb drive with a physical
> write protect switch).

that's not totally fool proof either; after all an attacker can adjust
the nvram to change the boot device order.

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