Re: Fw: Anonymous Qmail Denial of Service

[Mate Wierdl]

On Mon, Jan 04, 1999 at 02:14:21PM +0100, Peter van Dijk wrote:
> On Mon, Jan 04, 1999 at 01:03:14PM +0000, Sam wrote:

> > qmail-queue is a setuid program.  Did UNIX change, while I was out of town,
> > and you can now send signals to processes of different userids?
> 
> If you started it, yes. Nothing has changed. Otherwise, you couldn't ctrl-C
> out of anything SUID.. that would be bad. On the other hand, not allowing
> users to send signal to those processes has a lot of advantages too.. like
> security.

So then what is going to happen, if under X, you su to root, and then quit X?

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Mate Wierdl | Dept. of Math. Sciences | University of Memphis