Messages in this thread | | | From | Bernd Eckenfels <> | Subject | Re: Why Ext2/3 needs immutable attribute? | Date | Sun, 17 Apr 2005 21:45:13 +0200 |
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In article <4ae3c14050417085473bd365f@mail.gmail.com> 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.
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