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Bug#404953: cupsys: cupsd listens on udp port by default: add a warning

Package: cupsys
Version: 1.2.7-1
Severity: minor

The cupsd server listens on *:631 (udp). I did some research, and this 
seems to be related to the 'Browsing' keyword. It also seems to be 
useful in some cases, like protected intranets, so I'm not necessarily 
requesting for it to be turned off.

I would like to have a warning message about it, though; some daemons 
have an informational message during installation that tells the user 
about listening ports. This particular computer I'm doing a test 
installation of the upcoming Etch release on, is directly connected to 
the internet, and I'd rather know about this open port and turn it off.

In the same time, this warning message could also tell how to stop cupsd 
from listening on that udp port by setting 'Browsing' to 'Off'.

Please consider adding such a warning, so people are better informed 
about the risks and benefits, and what to do to change cupsd behaviour.



-- System Information:
Debian Release: 4.0
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)

Versions of packages cupsys depends on:
ii  adduser                  3.100           Add and remove users and groups
ii  cupsys-common            1.2.7-1         Common UNIX Printing System(tm) - 
ii  debconf [debconf-2.0]    1.5.11          Debian configuration management sy
ii  gs-esp                   8.15.3.dfsg.1-1 The Ghostscript PostScript interpr
ii  libc6                    2.3.6.ds1-8     GNU C Library: Shared libraries
ii  libcupsimage2            1.2.7-1         Common UNIX Printing System(tm) - 
ii  libcupsys2               1.2.7-1         Common UNIX Printing System(tm) - 
ii  libdbus-1-3              1.0.2-1         simple interprocess messaging syst
ii  libgnutls13              1.4.4-3         the GNU TLS library - runtime libr
ii  libldap2                 2.1.30-13+b1    OpenLDAP libraries
ii  libpam0g                 0.79-4          Pluggable Authentication Modules l
ii  libpaper1                1.1.21          Library for handling paper charact
ii  libslp1                  1.2.1-6         OpenSLP libraries
ii  lsb-base                 3.1-22          Linux Standard Base 3.1 init scrip
ii  patch                    2.5.9-4         Apply a diff file to an original
ii  perl-modules             5.8.8-7         Core Perl modules
ii  procps                   1:3.2.7-3       /proc file system utilities
ii  xpdf-utils [poppler-util 3.01-9          Portable Document Format (PDF) sui
ii  zlib1g                   1:1.2.3-13      compression library - runtime

Versions of packages cupsys recommends:
ii  cupsys-client           1.2.7-1          Common UNIX Printing System(tm) - 
ii  foomatic-filters        3.0.2-20061031-1 linuxprinting.org printer support 
pn  smbclient               <none>           (no description available)

-- debconf-show failed

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