Protecting against downloads

[Dan Bernstein]

In article <2412 at sud509.ed.ray.com> heiser at tdw201.ed.ray.com writes:
> Thanks to all of you who replied so quickly to my question about
> protecting my system against unauthorized downloads of binary files.
> The overwhelming majority of the responses have told me what I 
> already knew -- the (obvious) setting of file modes to be execute-only.

And what do you do about text images in core files?

To do this right, you should protect all your executables and scripts
behind a setuid program that handles access control and disables the
appropriate signals.

---Dan