# grep "Listen" /etc/cups/cupsd.conf
Listen /var/run/cups/cups.sock
Listen /var/run/cups/cups.sock

No Listen to 631!!!! I suppose that I have to edit as

Listen localhost:631
Listen /var/run/cups/cups.sock


Antonio Montagnani

Linux Fedora 28 Workstation
da/from Gmail

2018-06-07 4:18 GMT+02:00 Tim via users <users@lists.fedoraproject.org>:
Allegedly, on or about 7 June 2018, antonio.montagnani sent:
> i can't connect by telnet as you suggest. I can print to my remote
> printer anyway. It seems that i cannot connect to my local cups
> service, and on this machine i have no loal printer conected. I am
> lost but now here it is sleeping  time 😃

I haven't seen the obvious mentioned:  Have you tried restarting the
CUPS service, in the middle of these trials?

The firewall needs to be open to allow connections to CUPS, though I'm
not sure if it blocks local connections, at all.

--
[tim@localhost ~]$ uname -rsvp
Linux 4.16.7-100.fc26.x86_64 #1 SMP Wed May 2 21:45:56 UTC 2018 x86_64

Boilerplate:  All mail to my mailbox is automatically deleted.
There is no point trying to privately email me, I only get to see
the messages posted to the mailing list.

Ha ha ha ha...
(I couldn't think of a good joke, so I supplied a laugh track, instead.)
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