Re: ext2 attribute immutable

Bernd Eckenfels (ukd1@rz.uni-karlsruhe.de)
2 Apr 1996 12:23:33 GMT

sct@dcs.ed.ac.uk wrote:
> However, one thing which could be done fairly easily would be to (a)
> protect init from all attacks, making it immune to ptrace, kill -9
> etc; and (b) disable all direct kernel access (such as /dev/mem or
> loading new kernel modules) once securelev is sufficiently high.

Or disallow init to decrease the secure level. Resetting the securelevel is
then secure until u reboot the system.

Greetings
Bernd

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