[sane-devel] Permission denied on parallel port Epson Expression636

[Petr Hlustik]

On Thu, Oct 03, 2002 at 02:29:04PM -0400, khk@khk.net wrote:
> This is a limitation all parallel port scanners have when used with Sane.
> You already know the reason for this: Sane uses the IO ports and not
> the device file to talk to the scanner.
> 
> As long as you trust everybody who's using your computer, you can just
> make the frontend(s) you are using setuid root programs. This way, the
> program will always run as root, regardless of which user is actually
> running it.

Thank you for this assurance. I've already accepted that but since I don't
know low-level access issues I wanted to see whether there is anything I've
missed.

Anyway, thanks and congratulations to the developers of the backend
supporting the parallel connection. The Win/Mac drivers only support SCSI
;-)

Best,
Petr