[cups.development] CUPSD listens to Port: 631

Kurt Pfeifle kpfeifle at danka.de
Mon Jul 12 10:51:34 PDT 2004


PieterJan wrote:

> Can anyone clarify this to me:
> 
> Since Cupsd (The Cups print server) is a deamon application 
> listening to incomming jobs on port:631; Would it be possible 
> to have another application listen in on that port as wel ??? 

No.

Not with standard means of *any* operating system, or for
*any* port.

As long a port is "bound" to one program/service, it can't be
used by another one.

> Or is it not possible for 2 apps to listen to the same port?

That's a correct statement.

Cheers,
Kurt





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