On Tuesday 26 December 2000 15:22, you wrote:
> On 2000.12.26 Mark Weaver wrote:
> > That is correct ergo the reason for using chmod 4755. that way nromal
> > users can access the file owned by root.
> > --
>
> ...
>
> > On Tuesday 26 December 2000 05:02, you wrote:
> > > I believe you must be *root* to ifup or ifdown.
> > > Pj
> > >
> > > > Hey all,
> > > >
> > > > I've just started using the ifup and ifdown scripts instead of KPPP
> > > > for dialup. Just one problem though...I get an
> > > > "Users cannot control this device." error every time I try to run
> > > > the scripts. I've done a chmod 755 on /dev/modem and /dev/ttyS1 as
> > > > well as each of the scripts. Any ideas?
>
> You should not use that. That are to be called by higher level scripts.
> You should be using /etc/ppp/scripts/ppp-on and ppp-off (perhaps yours are
> named just pppon and pppoff), and they set up everything and call ifup-ppp.
>
> If you use that you just have to setup options in /etc/ppp/options.
>
> One other issue is who is allowed to dial. I think it can be done cleanly
> through the usermode tools, but I never get involved with them. There
> are two ways to do that:
> - Make the modem device world writable: chmod 666 /dev/ttyS1 (not 755, you
> don't have to EXECUTE(run) the device, just be able to write to it in
> addition to reading, to configure it and send init strings).
> - Make /sbin/pppd or /etc/ppp/scripts/ppp-on (off) suid (chmod +s .....)
>
> I think the first way is less 'unsecure'. I now have a cable connection,
> so I don't remember if both things were needed.
Now THAT rocks. I'm really going to have to brush up on my permissions
information!
thanks
--
Mark
"If you don't share your concepts and ideals, they end up being worthless,"
"Sharing is what makes them powerful."
Linus Torvalds
