Re: ide-cd problems

[Horst von Brand]

Bill Davidsen <davidsen@xxxxxxx> said:
> Jens Axboe wrote:
> > On Fri, Jul 30 2004, Zinx Verituse wrote:
> > 
> >>I'm going to bump this topic a bit, since it's been a while..
> >>There are still some issues with ide-cd's SG_IO, listed from
> >>most important as percieved by me to least:
> >>
> >> * Read-only access grants you the ability to write/blank media in the drive
> >> * (with above) You can open the device only in read-only mode.

> > That's by design. Search linux-scsi or this list for why that is so.

> So is the only solution to disallow user access to the device? 
> Operationally that is inconvenient in some cases, but every user 
> community has a few ill-intentioned people, and student groups may be 
> somewhat heavy on that. Security is more important than convenience, but 
> both are desirable.

Right. It is called "compromise".

> We could go to burning all local reference data on CD-R instead of 
> CD-RW, have a separate CD-R drive, but as noted all of those are 
> undesirable drains on time and money. Clearly having some twit rewite 
> the CD-RW with their own information is even more undesirable, if that 
> wasn't clear ;-)

OK, what prevents said twit from bringing in their own (doctored) CD-R in
any case?
-- 
Dr. Horst H. von Brand                   User #22616 counter.li.org
Departamento de Informatica                     Fono: +56 32 654431
Universidad Tecnica Federico Santa Maria              +56 32 654239
Casilla 110-V, Valparaiso, Chile                Fax:  +56 32 797513
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