[cups] I can not share printers

[Pförtsch, Franz]

Hello -T

How did you connect from Windows XP to the CentOS machine?

Are you using Samba or did you connect via lpd?

Please explain something more about your setup.

Regards
Franz

-----Original Message-----
From: cups [mailto:cups-bounces at cups.org] On Behalf Of toddandmargo
Sent: Saturday, August 19, 2017 5:05 AM
To: cups at cups.org
Subject: [cups] I can not share printers


Hi All,

# rpm -qa cups\*
cups-lpd-2.2.2-6.fc26.x86_64
cups-filters-1.13.4-3.fc26.x86_64
cups-filesystem-2.2.2-6.fc26.noarch
cups-2.2.2-6.fc26.x86_64
cups-pdf-2.6.1-12.fc26.x86_64
cups-pk-helper-0.2.6-2.fc26.x86_64
cups-libs-2.2.2-6.fc26.x86_64
cups-filters-libs-1.13.4-3.fc26.x86_64
cups-client-2.2.2-6.fc26.x86_64

# grep -i share /etc/cups/printers.conf
Shared Yes
Shared Yes
Shared Yes
Shared Yes
Shared Yes

I am replacing a Centos5 server with a Fedora 26 server.
i have cups configured for all the printers and they all have printed test pages.  All of are set to "shared".

problem: all my clients are XP and none can attach to any of the shared cups printers, neither with lpr or TCP/IP.  (They are all XP, so no tests from W7.)

And cups-lpd won't start do to an SELinux error:

#  systemctl start cups-lpd.socket
● cups-lpd.socket - CUPS LPD Server Socket
   Loaded: loaded (/usr/lib/systemd/system/cups-lpd.socket; enabled; vendor preset: disabled)
   Active: failed (Result: resources)
   Listen: [::]:515 (Stream)
 Accepted: 0; Connected: 0

Aug 18 18:26:49 FedoraServer.xxxx.local systemd[1]: cups-lpd.socket: Failed to listen on sockets: Permission denied Aug 18 18:26:49 FedoraServer.xxxx.local systemd[1]: Failed to listen on CUPS LPD Server Socket.
Aug 18 18:26:49 FedoraServer.xxxx.local systemd[1]: cups-lpd.socket: Unit entered failed state.
Aug 18 18:30:54 FedoraServer.xxxx.local systemd[1]: cups-lpd.socket: Failed to listen on sockets: Permission denied Aug 18 18:30:54 FedoraServer.xxxx.local systemd[1]: Failed to listen on CUPS LPD Server Socket.
Aug 18 18:33:45 FedoraServer.xxxx.local systemd[1]: cups-lpd.socket: Failed to listen on sockets: Permission denied Aug 18 18:33:45 FedoraServer.xxxx.local systemd[1]: Failed to listen on CUPS LPD Server Socket.
Aug 18 18:37:30 FedoraServer.xxxx.local systemd[1]: cups-lpd.socket: Failed to listen on sockets: Permission denied Aug 18 18:37:30 FedoraServer.xxxx.local systemd[1]: Failed to listen on CUPS LPD Server Socket.

SELinux is preventing systemd from setopt access on the tcp_socket port None.
allow this access for now by executing:
# ausearch -c 'systemd' --raw | audit2allow -M my-systemd # semodule -X 300 -i my-systemd.pp And the suggested action does not work.

What am I doing wrong?

Many thanks,
-T

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