procfs + chmod = no go

[Andy Gilligan]

On Mon,  1 Mar 2004 at 12:27, Dag-Erling Smørgrav wrote:
> "Jimmy Scott" <admin at inet-solutions.be> writes:
> > Is this possible on FreeBSD 4.9 ? Can't find anything about it in the
> > manual pages. Just want to prevent lusers from running:
> >
> > for file in /proc/*/cmdline; do cat $file; echo; done
> 
> Why?  They can get the same information from ps(1) or the kern.proc
> sysctl tree.
> 
> (in 5.2, you can set security.bsd.see_other_uid to 0 to prevent users
> from seeing other users' processes)

Surely kern.ps_showallprocs would accomplish the same thing in 4.x ?

-Andy