Anthony wrote:
<snip>
> so I checked the following:
> $ ls -l /dev/modem
> lrwxrwxrwx 1 root root /dev/modem -> /dev/ttyS1
> then, $ ls -l /dev/ttyS1
> crw------- 1 root tty /dev/ttyS1
>> Running `chmod o=wr /dev/ttyS1' fixed it so that everything works fine
> when /dev/ttyS has the permissions crw----rw-
>> I have it working OK now but I'm wondering if there is a more elegant or
> secure way of doing so. I'm always interested in learning the best
> methodology (especially from a security point of view) for accomplishing
> such tasks in Linux.
The normal thing is to put any trusted users into a group which
has read/write permissions to /dev/ttyS1.
e.g. see: http://www.sslug.dk/emailarkiv/ppp/2000_06/msg00012.html
ATB,
Aidan.
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