Re: Why Ext2/3 needs immutable attribute?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



In article <[email protected]> you wrote:
> Why not simply unset the write bit for all three groups of users? 
> That seems to be enough to prevent file modification.

# touch test
# chmod a-w test
# echo test > test
# cat test
test

Because this does not protect against writes from root and it does not
protect against root setting the flags again.

Greetings
Bernd
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux