On Wed, Sep 26, 2007 at 09:20:54AM +0930, David Newall wrote:
> Alan Cox wrote:
>> On Wed, 26 Sep 2007 01:05:07 +0930
>> David Newall <[email protected]> wrote:
>>> Alan Cox wrote:
>>>
>>>>> Marek's loading dynamic libraries, it seems clear that the prime
>>>>> purpose of chroot is to aid security. Being able to cd your way out is
>>>>> handy
>>>> Does it - I can't find any evidence for that.
>>>>
>>> It seems self-evident to me. What do you think is it prime purpose?
>>>
>>
>> Debugging and testing. At least that is as I understand it much of where
>> it came from.
>>
>
> Good call. Though I suppose, since it's used 24x7 to aid security on
> countless production servers, that security dwarfs testing. Still,
> debugging, yes that's valid.
Incompetent people implementing security solutions are a real problem.
> I don't suppose it makes and difference; whatever the purpose, a chroot
> that doesn't change the root is buggy.
It does change the root.
But it does not limit what the root user can do after the root was
changed.
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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