Re: CUPS localhost listenning ONLY

[Jerome BENOIT <jgmbenoit@wanadoo.fr>]

Ron Johnson wrote:
> On Fri, 2004-10-29 at 17:54 +0100, Jerome BENOIT wrote:
>
> > Thanks,
> >
> > I set
> >
> > Listen localhost:631
> >
> > and now
> >
> > lsof -i give 
> >
> > cupsd (...) TCP localhost:ipp (LISTEN)
> > cpusd (...) UDP *:ipp
> >
> > The first line is what I wanted:
> > what about the second line ?
> > is it necessary 
>
>
> UDP is a "sister protocol" to TCP.
>
>
> > how can we switch off it ?
>
>
> Don't.  It's necessary for CUPS.

so my curent configuration is the best that I can get
if I want just listen the local host: correct ?

Thanks,
Jerome



> > Thanks,
> > Jerome 
> >
> > Ron Johnson wrote:
> >
> > > On Fri, 2004-10-29 at 16:40 +0100, Jerome BENOIT wrote:
> > >
> > >
> > > > Hello,
> > > >
> > > > how can we make cupsd to listen only on the localhost ?
> > >
> > >
> > > $ grep -n -A 2 -B 15 'Listen hostname:631' /etc/cups/cupsd.conf
> > > 382-########
> > > 383-######## Network Options
> > > 384-########
> > > 385-
> > > 386-#
> > > 387-# Ports/addresses that we listen to.  The default port 631 is
> > > reserved
> > > 388-# for the Internet Printing Protocol (IPP) and is what we use here.
> > > 389-#
> > > 390-# You can have multiple Port/Listen lines to listen to more than one
> > > 391-# port or address, or to restrict access:
> > > 392-#
> > > 393-#    Port 80
> > > 394-#    Port 631
> > > 395-#    Listen hostname
> > > 396-#    Listen hostname:80
> > > 397:#    Listen hostname:631
> > > 398-#    Listen 1.2.3.4
> > > 399-#    Listen 1.2.3.4:631

--
Dr. Jerome BENOIT
room A2-26
Complexo Interdisciplinar da U. L.
Av. Prof. Gama Pinto, 2
P-1649-003 Lisboa, Portugal
email: jgmbenoit@wanadoo.fr or benoit@cii.fc.ul.pt