[Techtalk] "bind to reserved port" error

Wim De Smet kromagg at gmail.com
Tue Mar 27 15:42:28 UTC 2007

On 3/27/07, David Sumbler <david at aeolia.co.uk> wrote:
> On Tue, 2007-03-27 at 16:53 +0200, Wim De Smet wrote:
> > plpnfsd is probably trying to register another port and that's where
> > things are going wrong. I'm not intimate with the software but
> > depending on what it does you either need to run it as root or find a
> > way to have it bind to another port. Mind you this is not port 7501
> > which is claimed by ncpd. At least that's how I understand it from
> > your previous mail.
> No, it is 7501.  It has to be the same as the one used by ncpd (although
> I have tried using different ports, above 1024 - it fails!)  As the
> plpnfsd man page says for the -p option:
> -p, --port=[host:]port
> Specify  the host and port to connect to (e.g. the port where ncpd is
> listening on) - by default the host is and the port is looked
> up in /etc/services. If it is not found there, a fall-back builtin of
> 7501.

That's the port it _connects_ to not the port it _binds_ to. Anyway I
had a look at the manpage and you're going to have to run it as root
anyway, since it needs to mount directories which normally only root
can do.


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