Thanks for your reply.
Yes. I know, with immutable, even root cannot modify sensitive
files. What I am curious is if an intruder has root access, he may
have many ways to turn off the immutable protection and modify files.
So immutable is designed just to prevent a valid root from making
silly mistakes?
Xin
On 4/17/05, Willy Tarreau <[email protected]> wrote:
> On Sun, Apr 17, 2005 at 11:54:34AM -0400, Xin Zhao wrote:
> > Why not simply unset the write bit for all three groups of users?
> > That seems to be enough to prevent file modification.
> >
> > Immutable seems to only add one more protection level in case of
> > misconfiguration on standard access right bits. Is that right?
>
> With immutable, even root cannot modify the file accidentely. It is
> very useful for critical configuration files.
>
> Willy
>
>
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