Well known port number quesation ...

[Kurt Wall]

On Mon, Jan 27, 2003 at 12:32:22PM -0600, Ben Duncan wrote:
> Ok .. remote lpd/lpr request go to WHICH port number ... 35 , 515 ?

printer         515/tcp         spooler         # line printer spooler
printer         515/udp         spooler         # line printer spooler

CUPS uses IPP (Internet Print Protocol), which lives on port 631 by
default:

ipp             631/tcp                         # Internet Printing Protocol
ipp             631/ucp                         # Internet Printing Protocol

JetDirect cards, perversely, use port 9100. :-\

Kurt