McKown, John wrote:



Problem is, I've known such. And, to be brutally honest, I could have been caught myself 
simply due to ignorance about how/what "ldd" works.

There are more subtle attacks on Linux integrity.

In any case,

   chmod 700 ldd

if ldd is too powerful w/r/t the sophistication of your user crowd.

Examine chroot also for user accounts and use it to provide a select subset of user commands to the novices.

--
Jack J. Woehr            # «'I know what "it" means well enough, when I find
http://www.well.com/~jax # a thing,' said the Duck: 'it's generally a frog or
http://www.softwoehr.com # a worm.'» - Lewis Carroll, _Alice in Wonderland_


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