samba - Feb 2024 - Samba 4.19.4 as printer server: printer are not show in browser

On Wed, 07 Feb 2024 12:13:32 +0100
Dario Lesca via samba <samba at lists.samba.org> wrote:
> I have try many options and different debug and I don't know what to
> check anymore to resolve.
> 
> Please, someone can help me to discover why the CUPS printer are not
> show in browser list in my setup?
> 
> What's wrong on my configurations?
> 
> Thanks in advance
> 
Please define 'browser'.

Are we talking the CUPS web browser on port 631 or something else ?

If you are talking the various GUI browser applications, then you may
be able to get them working, but you probably will not want to, because
it entails turning SMBv1 on everywhere.

Rowland

Thank Rowland

With browser I means "list all printers shared by CUPS from [smbclient
-L server] command"

A few minutes ago I discovered that it is a SElinux problem

I have run "sudo setenforce 0" then run "smbclient -N -L
fedora", the
printers appear in the list and work if I print on it

I had previously already checked the audit.log to see if SElinux errors
appeared but nothing was reported when run smbclient 

Now I have re enable SElinux with "sudo setenforce 1" and restart the
server, but the list of printers continues to be displayed and all work
fine.

This is good for me, but it's not clear what happened, because now with
Selinux enabled the printers are listed as expected.

Furthermore, I don't understand if it's a Selinux problem with Samba or
with Cups

Now I do some other test and investigations (revert the snapshot to
initial situation) to find out what exactly causes the printers not to
be displayed when Selinux is active and is never deactivated, even for
a moment. If I have any news I'll let you know.

Thanks you for your time

Dario


Il giorno mer, 07/02/2024 alle 11.39 +0000, Rowland Penny via samba ha
scritto:
> On Wed, 07 Feb 2024 12:13:32 +0100
> Dario Lesca via samba <samba at lists.samba.org> wrote:
> 
> > I have try many options and different debug and I don't know what
> > to
> > check anymore to resolve.
> > 
> > Please, someone can help me to discover why the CUPS printer are
> > not
> > show in browser list in my setup?
> > 
> > What's wrong on my configurations?
> > 
> > Thanks in advance
> > 
> 
> Please define 'browser'.
> 
> Are we talking the CUPS web browser on port 631 or something else ?
> 
> If you are talking the various GUI browser applications, then you may
> be able to get them working, but you probably will not want to,
> because
> it entails turning SMBv1 on everywhere.
> 
> Rowland
> ?
>