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SubjectRe: ext2 attribute immutable
Date
In article <m0u3rUL-0004CeC@a4dialup-3.ed.ac.uk>,  <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.

(a) is already in the kernel; you can't PTRACE_ATTACH to init
and neither can you kill it with -9. The only way to kill it is
to find some bug in init and try to take advantage of it so that
it crashes ;)

Mike.
--
+ Miquel van Smoorenburg + Cistron Internet Services + Living is a |
| miquels@cistron.nl (SP6) | Independent Dutch ISP | horizontal |
+ miquels@drinkel.ow.org + http://www.cistron.nl/ + fall +



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