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Subject: Re: PCI modem on sio4
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On Tuesday 18 November 2003 03:12 pm, Joe Marcus Clarke wrote:
> > I have exectly the same issue here.
> > I have been trying to cu to my modem for a while now, with no success.
> >
> > [root at moe ~]# cu -l /dev/cuaa4
> > cu: open (/dev/cuaa4): Permission denied
> > cu: /dev/cuaa4: Line in use
> >
> > [root at moe ~]# ls -l /dev/cuaa*
> > crw-rw----  1 uucp  dialer   28, 128 Nov 16 16:31 /dev/cuaa0
> > crw-rw----  1 uucp  dialer   28, 129 Nov 16 16:31 /dev/cuaa1
> > crw-rw----  1 uucp  dialer   28, 130 Nov 16 16:31 /dev/cuaa2
> > crw-rw----  1 uucp  dialer   28, 131 Nov 16 16:31 /dev/cuaa3
> > crw-r-----  1 root  wheel    28, 132 Nov 16 06:18 /dev/cuaa4
> >
> > Any suggestions as to how I can talk to my modem?
>
> Sorry, I accidentally deleted this mail.  Try doing:
>
> # chmod 660 /dev/cuaa4
> # chown uucp:dialer /dev/cuaa4
>
> Note that cu is a setuid uucp:dialer binary, so it will not be able to
> access the cuaa4 device with those permissions.

Perfect!  I can talk to my modem now!  Thanks!
One further question on this topic...
If I install HylaFax, or some other Fax application, are these permissions, 
owner, and group proper?