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Bug#530027: marked as done (cups: Request from "…" using invalid Host: field "…")

Your message dated Sun, 6 Mar 2016 14:00:54 +0000
with message-id <06032016134828.f4a1c5103d70@desktop.copernicus.demon.co.uk>
and subject line Re: Bug#530027: cups: Request from "…" using invalid Host: field "…"
has caused the Debian Bug report #530027,
regarding cups: Request from "…" using invalid Host: field "…"
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
530027: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=530027
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: cups
Version: 1.3.10-1
Severity: important

The CUPS server is rejecting all connections. With debug logging
output, I see this every second:

=====
D [23/May/2009:09:48:12 +1000] cupsdAcceptClient: 9 from 192.168.5.7:631 (IPv4)
D [23/May/2009:09:48:12 +1000] cupsdReadClient: 9 POST / HTTP/1.1
D [23/May/2009:09:48:12 +1000] cupsdAuthorize: No authentication data provided.
W [23/May/2009:09:48:12 +1000] Request from "192.168.5.7" using invalid Host: field "printserver"
D [23/May/2009:09:48:12 +1000] cupsdSendError: 9 code=400 (Bad Request)
D [23/May/2009:09:48:12 +1000] cupsdCloseClient: 9
=====

The host name ‘printserver’ is not invalid. It resolves correctly to
the machine running the CUPS server:

=====
$ host printserver
printserver.local.whitetree.org has address 192.168.5.7
=====

The server is configured in ‘/etc/cups/cupsd.conf’ to listen on that
address:

=====
Listen printserver:631
=====

Even if I set a client to use the FQDN, the same error occurs:

=====
D [23/May/2009:09:51:38 +1000] cupsdAcceptClient: 9 from 192.168.5.7:631 (IPv4)
D [23/May/2009:09:51:38 +1000] cupsdReadClient: 9 POST / HTTP/1.1
D [23/May/2009:09:51:38 +1000] cupsdAuthorize: No authentication data provided.
W [23/May/2009:09:51:38 +1000] Request from "192.168.5.7" using invalid Host: field "printserver.local.whitetree.org"
D [23/May/2009:09:51:38 +1000] cupsdSendError: 9 code=400 (Bad Request)
D [23/May/2009:09:51:38 +1000] cupsdCloseClient: 9
=====

Could this be related to the following entry in the Debian changelog:

=====
  * New upstream security/bug fix release:
    - The scheduler now protects against DNS rebinding attacks. Please note
      that this could lead to some regressions. (CVE-2009-0164)
=====

I'm completely unable to print or manage CUPS while this continues.
That sounds like a regression to me, but there's no hint of how to fix
it or know whether that's behind the problem.


-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (990, 'testing'), (900, 'stable')
Architecture: powerpc (ppc64)

Kernel: Linux 2.6.26-2-powerpc64 (SMP w/2 CPU cores)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_AU.UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages cups depends on:
ii  adduser              3.110               add and remove users and groups
ii  bc                   1.06.94-3.1         The GNU bc arbitrary precision cal
ii  cups-common          1.3.10-1            Common UNIX Printing System(tm) - 
ii  debconf [debconf-2.0 1.5.26              Debian configuration management sy
ii  ghostscript          8.64~dfsg-1.1       The GPL Ghostscript PostScript/PDF
ii  libavahi-compat-libd 0.6.25-1            Avahi Apple Bonjour compatibility 
ii  libc6                2.9-4               GNU C Library: Shared libraries
ii  libcups2             1.3.10-1            Common UNIX Printing System(tm) - 
ii  libcupsimage2        1.3.10-1            Common UNIX Printing System(tm) - 
ii  libdbus-1-3          1.2.12-1            simple interprocess messaging syst
ii  libgcc1              1:4.4.0-4           GCC support library
ii  libgnutls26          2.6.6-1             the GNU TLS library - runtime libr
ii  libgssapi-krb5-2     1.6.dfsg.4~beta1-13 MIT Kerberos runtime libraries - k
ii  libijs-0.35          0.35-7              IJS raster image transport protoco
ii  libkrb5-3            1.6.dfsg.4~beta1-13 MIT Kerberos runtime libraries
ii  libldap-2.4-2        2.4.11-1            OpenLDAP libraries
ii  libpam0g             1.0.1-9             Pluggable Authentication Modules l
ii  libpaper1            1.1.23+nmu1         library for handling paper charact
ii  libpoppler4          0.10.4-3            PDF rendering library
ii  libslp1              1.2.1-7.5           OpenSLP libraries
ii  libstdc++6           4.4.0-4             The GNU Standard C++ Library v3
ii  lsb-base             3.2-22              Linux Standard Base 3.2 init scrip
ii  perl-modules         5.10.0-22           Core Perl modules
ii  poppler-utils [xpdf- 0.10.4-3            PDF utilitites (based on libpopple
ii  procps               1:3.2.7-11          /proc file system utilities
ii  ssl-cert             1.0.23              simple debconf wrapper for OpenSSL
ii  ttf-freefont         20080323-3          Freefont Serif, Sans and Mono True
ii  zlib1g               1:1.2.3.3.dfsg-13   compression library - runtime

Versions of packages cups recommends:
ii  avahi-utils               0.6.25-1       Avahi browsing, publishing and dis
ii  cups-client               1.3.10-1       Common UNIX Printing System(tm) - 
ii  foomatic-filters          4.0-20090509-1 OpenPrinting printer support - fil
ii  smbclient                 2:3.3.4-1      command-line SMB/CIFS clients for 

Versions of packages cups suggests:
ii  cups-bsd                  1.3.10-1       Common UNIX Printing System(tm) - 
ii  cups-driver-gutenprint    5.2.3-2+b1     printer drivers for CUPS
ii  cups-pdf                  2.5.0-2        PDF printer for CUPS
ii  foomatic-db               20090508-1     OpenPrinting printer support - dat
ii  foomatic-db-engine        4.0-20090509-1 OpenPrinting printer support - pro
pn  hplip                     <none>         (no description available)
pn  xpdf-korean | xpdf-japane <none>         (no description available)

-- debconf information:
  cupsys/raw-print: true
  cupsys/backend: ipp, lpd, parallel, scsi, serial, socket, usb, snmp, dnssd

-- 
 \         “[T]he question of whether machines can think … is about as |
  `\         relevant as the question of whether submarines can swim.” |
_o__)                                              —Edsger W. Dijkstra |
Ben Finney <ben@benfinney.id.au>

Attachment: signature.asc
Description: Digital signature


--- End Message ---
--- Begin Message --- 
Dear Debian User,

This bug report was submitted against a version of CUPS that is no
longer supported in Debian. Use of our limited, volunteer supported
resources is best served by not keeping around old, hardware-specific
and inactive bugs for longer than desirable, so the report is now being
closed. Sorry for being unable not to address the issue before now.

You may, of course, wish to review the reported problem. It would be
appreciated if any future investigation could be conducted using the
testing or unstable distributions, preferably the latter. If considered
necessary, a new bug report, possibly referencing this one, would be
submitted.

Thank you for your report.

Regards,

Brian.

--- End Message ---
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