[CentOS] why does automounting removable media always have options nodev, noexec, nosuid?

Wed Sep 15 20:26:12 UTC 2010
Dave <tdbtdb+centos at gmail.com>

On Wed, Sep 15, 2010 at 9:09 AM, Robert P. J. Day <rpjday at crashcourse.ca>wrote:

>  i'm experimenting with some basic removable media mounting
> exercises for an upcoming class, and i read that, while you can use
> gconf-editor to change some of the mount options in cases like that,
> there is no way to override the mount options of nodev, noexec and
> nosuid.  for example, that claim is made here (admittedly for fedora,
> but it appears to be true for centos as well):
>  http://scrolls.mafgani.net/2007/03/gnome-automount-options/
> is there somewhere that one could see and verify that those options
> always hold for mountable filesystems on removable media?  thanks.

This question is different from the one in your subject header. These mount
options are 'security features', make crackers jump through another hoop.
They can be undone with a mount -o remount. I don't know the answer to your
second question about where the defaults are set/displayed.
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