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Re: How to Turn Off Autodiscovered Printers in Firefox?

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On Tue, Sep 26, 2017 at 8:57 AM, Brian <ad44@cityscape.co.uk> wrote:

> On Tue 26 Sep 2017 at 12:08:02 +0000, Curt wrote:
>
> > On 2017-09-26, Brian <ad44@cityscape.co.uk> wrote:
> > > On Tue 26 Sep 2017 at 00:15:31 -0500, Kent West wrote:
> > >
> > >> So when I go to select a printer in Firefox, there are many
> autodiscovered
> > >> printers to choose from. I don't want any of them in my list. How do
> I turn
> > >> this off?
> > >
> > > See later. But first stop or purge cups-browsed.
> > >
> > >> I found the two "browse" options in /etc/cups/cupsd.conf, but they
> make no
> > >> difference. I found /etc/cups/cups-browsed, but killing that daemon
> makes
> > >> no difference. In fact, killing CUPS altogether makes no difference
> (except
> > >> my desired printer then goes away), so obviously this isn't a CUPS
> thing.
> > >
> > > Correct.
>


If this isn't a CUPS thing, what's the value in stopping or purging
cups-browsed?



> > >
> > >> Then I discovered Avahi (and had to go into learning mode -
> apparently this
> > >> is also known as "Bonjour" and "Rendevous" and "ZeroConf", depending
> on OS
> > >> and version and situation). The most obvious tweaks in
> > >> /"etc/avahi/avahi-daemon.conf", the two "disable-publishing..."
> options,
> > >> don't do anything.
> > >
> > > Indeed not. They affect publishing, not discovery.
>


As in "publishing to other computers on the network", not as in "publishing
to applications, like Firefox, on this computer"?

I don't mind Avahi discovering printers; I just don't want it "publishing"
what it found to Firefox. Apparently I misunderstood the scope of the word
"publish".



> >> So, any one know how to tell Avahi to not publish found printers to
> > >> Firefox's print dialog?
> > >
> > > All GTK applications can use avahi-daemon for printer discovery. It is
> > > GTK you want to control, not avahi-daemon. gtk-print-backends is the
> > > relevant property to use. Its default value is "file,cups".
> > >
> > > I think Firefox uses GTK3. In /etc/gtk-3.0 or ~/.gtk-3.0 you want to
> > > create the file settings.ini and see what the contents
> > >
> > >   [Settings]
> > >   gtk-print-backends=file
> > >
> > > do for you. (The file name and format is different for GTK2).
>

When I do this, *all* my printers disappear from the Firefox dialog,
including the one I've got in CUPS, which shows up in the CUPS web dialog
(localhost:631) and in /etc/cups/printers.conf.



> >
> > Some anonymous joe on the internet said you can edit the [server]
> > section of the /etc/avahi/avahi-daemon.conf file and uncomment the
> > 'enable-dbus=yes' line, changing that line to 'enable-dbus=no' and this
> > will disable printer discovery (while retaining dns functionality).
> >
> > Whether this works or not, or how perilously or ridiculously close this
> > edit is to just turning the damned avahi thing off altogether, I do not
> > know.
>
> I tried this and the GTK print dialog took ages to come up. I'd also be
> concerned about other possible knock-on effects. Why "damned avahi
> thing..."? You make it sound evil.
>

When I tried this, it solved my problem, and I don't notice any delay
issues.



-- 
Kent West                    <")))><
Westing Peacefully - http://kentwest.blogspot.com

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Thread

How to Turn Off Autodiscovered Printers in Firefox? Kent West <westk@acu.edu> - 2017-09-26 07:20 +0200
  Re: How to Turn Off Autodiscovered Printers in Firefox? Brian <ad44@cityscape.co.uk> - 2017-09-26 12:40 +0200
    Re: How to Turn Off Autodiscovered Printers in Firefox? Curt <curty@free.fr> - 2017-09-26 14:10 +0200
      Re: How to Turn Off Autodiscovered Printers in Firefox? Brian <ad44@cityscape.co.uk> - 2017-09-26 16:00 +0200
        Re: How to Turn Off Autodiscovered Printers in Firefox? Kent West <westk@acu.edu> - 2017-09-26 21:00 +0200
          Re: How to Turn Off Autodiscovered Printers in Firefox? Brian <ad44@cityscape.co.uk> - 2017-09-27 15:40 +0200
            Re: How to Turn Off Autodiscovered Printers in Firefox? Curt <curty@free.fr> - 2017-09-27 16:50 +0200
              Re: How to Turn Off Autodiscovered Printers in Firefox? Kent West <westk@acu.edu> - 2017-09-27 18:00 +0200
              Re: How to Turn Off Autodiscovered Printers in Firefox? Brian <ad44@cityscape.co.uk> - 2017-09-27 18:10 +0200

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