I think it defaults to the IPP port:
 631/tcp    open        ipp

On Fri, Apr 25, 2003 at 03:48:42PM -0500, Shawn wrote:
> On 24 Apr 2003 15:23:06 -0500
> Mike Hicks <hick0088 at tc.umn.edu> wrote:
> 
> > If you feel like ditching the Netgear boxes (or at least putting
> > something in front of them), CUPS is a fairly simple to use printing
> > system.  You should be able to print directly to the CUPS daemon if
> > the client systems have new enough software.  CUPS runs the Internet
> > Printing Protocol (IPP) natively, so you don't need to push print jobs
> > through Samba if the clients support the protocol (Win2k and XP
> > should).  Of course, there is extra stuff available for CUPS that
> > allows you to use lpr/lpd too.
> > 
> >  
> Apologies for the thread hijack, but it's related to what's above and this got me thinking.  I want to push printing through a firewall, and I'm planning on using CUPS.  What port(s) do I need to open up for it?
> 
> I realize the security risks for it...
> 
> 
> -- 
> Shawn
> 
> "I'd be a poorer man if I'd never seen an eagle fly." - John Denver
> 
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-- 
Aaron Thompson   Unix Systems Administrator, College of Natural Science
University of Northern Iowa                      Cedar Falls, IA  50614

"Outlook not so good." That magic 8-ball knows everything! 
I'll ask about Exchange Server next.

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