> If you are using /dev/lp*, then you can change the permissions to allow
> anyone to use it:
>
> crw-rw----    1 root     lp         6,   0 Apr 11  2002 /dev/lp0
> (default on my laptop, redhat 7.2)
>
> a "chmod o+rw /dev/lp0" (as root) gives:
> crw-rw-rw-    1 root     lp         6,   0 Apr 11  2002 /dev/lp0
>
> and now anyone can read/write the lp0 port.  This may be a security
> issue; if not, I think this will solve your problem.

If that creates a security issue, you can try chown apache /dev/lp0
That makes Apache own the parallel port, so only Apache (and root) can access
it.

AFAIK anyway.

Greetings,
Koen

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