Re: gdm submission

[Sam Vilain <sam hydro gen nz>]

"Fox, Kevin M" <KMFox@mail.bhi-erc.com> writes:

> Well, there is no way to know. If you do bind something like control alt
> delete to bring up a login box, someone could always replace the login
> program. The only way to be sure is to keep your system locked tight.
> ctl-alt-del stuff is psudo security. You think it is secure but it is not.
> You could even replace microsofts login box with one of your own. It would
> be alot more difficult in windows because the source is not available but it
> can be done. Point is that there is no posible way to be absolutely sure.

If you have permissions configured correctly it is NOT POSSIBLE (bar
bugs) to change the login screen, unless you are an Administrator.
This is what makes that security effective.
-- 
Sam Vilain, sam@whoever.com         work: sam.vilain@unisys.com
http://www.hydro.gen.nz                home: sam@hydro.gen.nz