Configuración CUPS Linux, clientes Windows

A modo de cuaderno de bitácora publico aqui una configuración de CUPS que me dió muchos problemas, y muchos rompimientos de cabeza, para que tenerla siempre a mano. La información la he obtenido de aqui, y el problema venia por una configuración de los mimetypes de cups que me impedía imprimir desde una máquina windows en un servidor CUPS en Linux:

  • Los trabajos eran procesados en los equipos windows pero no llegaban al servidor linux
  • Los trabajos se quedaban en la cola de impresión del cliente, dando un error sin ningún tipo de información adicional
  • La impresora está ocupada, inténtelo de nuevo en 10 segundos

Para solucionar este problema, en el archivo /etc/cups/mime.convs hay que descomentar la línea :

application/vnd.cups-raw

Y en el archivo /etc/cups/mime.types hay que descomentar la línea:

application/octet-stream

Y por último este es el código completo del archivo /etc/cups/cupsd.conf correspondiente a openSuse 11.1

#
# "$Id: cupsd.conf.in 7199 2008-01-08 00:16:30Z mike $"
#
#   Sample configuration file for the Common UNIX Printing System (CUPS)
#   scheduler.  See "man cupsd.conf" for a complete description of this
#   file.
#
 
# Log general information in error_log - change "info" to "debug" for
# troubleshooting...
LogLevel info
 
# Administrator user group...
SystemGroup sys root
 
# Only listen for connections from the local machine.
# Listen localhost:631
# Listen /var/run/cups/cups.sock
port 631
 
# Show shared printers on the local network.
Browsing On
BrowseOrder allow,deny
BrowseAllow @local
 
# Default authentication type, when authentication is required...
DefaultAuthType Basic
 
# Restrict access to the server...
<Location />
  Order deny,allow
  deny from all
  Allow From 127.0.0.1
  Allow From 127.0.0.2
  Allow from 192.168.1.*
</Location>
 
# Restrict access to the admin pages...
<Location /admin>
  Encryption Required
  Order allow,deny
</Location>
 
# Restrict access to configuration files...
<Location /admin/conf>
  AuthType Default
  Require user @SYSTEM
  Order allow,deny
</Location>
 
# Set the default printer/job policies...
<Policy default>
  # Job-related operations must be done by the owner or an administrator...
  <Limit Send-Document Send-URI Hold-Job Release-Job Restart-Job Purge-Jobs Set-Job-Attributes Create-Job-Subscription Renew-Subscription Cancel-Subscription Get-Notifications Reprocess-Job Cancel-Current-Job Suspend-Current-Job Resume-Job CUPS-Move-Job>
    Require user @OWNER @SYSTEM
    Order deny,allow
  </Limit>
 
  # All administration operations require an administrator to authenticate...
  <Limit CUPS-Add-Modify-Printer CUPS-Delete-Printer CUPS-Add-Modify-Class CUPS-Delete-Class CUPS-Set-Default>
    AuthType Default
    Require user @SYSTEM
    Order deny,allow
  </Limit>
 
  # All printer operations require a printer operator to authenticate...
  <Limit Pause-Printer Resume-Printer Enable-Printer Disable-Printer Pause-Printer-After-Current-Job Hold-New-Jobs Release-Held-New-Jobs Deactivate-Printer Activate-Printer Restart-Printer Shutdown-Printer Startup-Printer Promote-Job Schedule-Job-After CUPS-Accept-Jobs CUPS-Reject-Jobs>
    AuthType Default
    Require user @SYSTEM
    Order deny,allow
  </Limit>
 
  # Only the owner or an administrator can cancel or authenticate a job...
  <Limit Cancel-Job CUPS-Authenticate-Job>
    Require user @OWNER @SYSTEM
    Order deny,allow
  </Limit>
 
  <Limit All>
    Order deny,allow
  </Limit>
</Policy>
 
DefaultPolicy default
 
# easy is a very relaxed policy
<Policy easy>
  # Job-related operations must be done by the owner or an administrator...
  <Limit All>
    Satisfy any
    Order allow,deny
  </Limit>
</Policy>
 
# paranoid is a very restricted policy
<Policy paranoid>
  # Job-related operations must be done by the owner
  <Limit Send-Document Send-URI Hold-Job Release-Job Restart-Job Purge-Jobs Set-Job-Attributes Create-Job-Subscription Renew-Subscription Cancel-Subscription Get-Notifications Reprocess-Job Cancel-Current-Job Suspend-Current-Job Resume-Job CUPS-Move-Job>
    Require user @OWNER
    Allow from 127.0.0.0/8
    Order deny,allow
  </Limit>
  # All administration operations require an administrator to authenticate...
  <Limit CUPS-Add-Modify-Printer CUPS-Delete-Printer CUPS-Add-Modify-Class CUPS-Delete-Class CUPS-Set-Default>
    AuthType Default
    Require user @SYSTEM
    Allow from 127.0.0.0/8
    Order deny,allow
  </Limit>
 
  # All printer operations require a printer operator to authenticate...
  <Limit Pause-Printer Resume-Printer Enable-Printer Disable-Printer Pause-Printer-After-Current-Job Hold-New-Jobs Release-Held-New-Jobs Deactivate-Printer Activate-Printer Restart-Printer Shutdown-Printer Startup-Printer Promote-Job Schedule-Job-After CUPS-Accept-Jobs CUPS-Reject-Jobs>
    AuthType Default
    Require user @SYSTEM
    Allow from 127.0.0.0/8
    Order deny,allow
  </Limit>
 
  # Only the owner or an administrator can cancel or authenticate a job...
  <Limit Cancel-Job CUPS-Authenticate-Job>
    Require user @OWNER
    Allow from 127.0.0.0/8
    Order deny,allow
  </Limit>
 
  <Limit All>
    Require user @OWNER @SYSTEM
    Allow from 127.0.0.0/8
    Order deny,allow
  </Limit>
</Policy>
 
#
# End of "$Id: cupsd.conf.in 7199 2008-01-08 00:16:30Z mike $".
#

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