Re: Why Ext2/3 needs immutable attribute?

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
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  • Why Ext2/3 needs immutable attribute?
    • From: Xin Zhao <[email protected]>

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