[CLUE-Tech] Re: I tried the "chattr +i"

[Joe Linux]

I tried the "chattr +i" idea on another user but I got an error message.

[jl at localhost jl]$ su
Password:

[root at localhost jl]# chattr +i /home/ru
chattr: Inappropriate ioctl for device while reading flags on /home/ru
[root at localhost jl]#

[root at localhost jl]# chattr +i 770 /home/ru
chattr: No such file or directory while trying to stat 770
chattr: Inappropriate ioctl for device while reading flags on /home/ru
[root at localhost jl]#


Jed S. Baer wrote:

>On Wed, 22 May 2002 14:08:30 -0600
>Joe Linux <joelinux at earthlink.net> wrote:
>
>>After a great deal of time consuming effort, I thought I had the 
>>Mandrake permissions problem solved, but now they have come back as 
>>before -
>>755.  It seems rather odd to me that on a multi-user system that one 
>>user can peer into another users files, and you can't do anything to 
>>stop it.
>>
>
>Hey, on my system, I can set file permissions so even I can't see my own
>files. ;-)
>
>>Mandrake Linux is like a glass house with no window shades.
>>
>
>Well, you know what they say: Those who live in glass houses shouldn't
>throw stones.
>
>Seriously, AFAICT, this is unique to your system. Finding it might in fact
>be a major pain. IIRC, the original problem was that some program is
>changing the permissions on a file? Maybe someone already suggested this,
>but, as root, do a chattr +i {name of file}. This will make the file
>"immutable". Then you can look through your log files, or maybe your cron
>status e-mails (sent to root, most likely), for a program reporting an
>error on {name of file}.
>
>Presumably, you've looked through all the stuff that runs in the various
>/etc/cron* directories for culprits?
>
>jed
>

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