Unexpected Samba printing problem
William Palfreman
william at palfreman.com
Tue Apr 22 08:13:02 PDT 2003
I've been print from Unix clients via lpd and from W2k clients via
samba-2.2.8a, for ages without problem. Then very recently the windows
clients stopped being able to connect - an error message when they try to
use the existing printer, and a blank box when they look in the printers
folder for the samba server.
All through this period windows clients have been able to access samba
shares to read and write, and still can. The only thing that I have
changed recently is the DNS domain used by some machines. I've also
started using IPv6, but I don't se wh that should make any difference.
This was the log messages originally. When I saw this I started cupsd,
but I was surprised to need to, considering I had never needed to before
and AFAIK it wasn't meant to start, & printing was via lpd:
Apr 22 12:50:09 ledger smbd[270]: [2003/04/22 12:50:09, 0]
printing/print_cups
.c:cups_printername_ok(336)
Apr 22 12:50:09 ledger smbd[270]: Unable to connect to CUPS server
localhost - Connection refused
Apr 22 12:50:09 ledger smbd[270]: [2003/04/22 12:50:09, 0]
smbd/service.c:make_connection(252)
Apr 22 12:50:09 ledger smbd[270]: dune (10.23.90.16) couldn't find
service ::{2227a280-3aea-1069-a2de-08002b30309d}
This was the log messages after starting cupsd - the same, but without a
useless attempt to constact cupsd. At the moment I think the problem
might be to do with a with the service name, but I don't see why it should
change in a way that breaks it entirely, so printers are invisible to W2k
clients.
Apr 22 12:46:24 ledger smbd[270]: [2003/04/22 12:46:24, 0]
printing/print_cups
.c:cups_printername_ok(388)
Apr 22 12:46:24 ledger smbd[270]: Unable to get printer status for
::{2227a280-3aea-1069-a2de-08002b30309d} - client-error-not-found
Apr 22 12:46:24 ledger smbd[270]: [2003/04/22 12:46:24, 0]
smbd/service.c:make_connection(252)
Apr 22 12:46:24 ledger smbd[270]: dune (10.23.90.16) couldn't find
service ::{2227a280-3aea-1069-a2de-08002b30309d}
Can anyone offer any guidence? This problem doesn't seem to go away when
either the server has process restart or is rebooted, nor does rebooting
the clients make and differnce - the printer is now invisible.
Thanks,
Bill.
(below is a copy of my smb.conf)
# This is the main Samba configuration file. You should read the
# smb.conf(5) manual page in order to understand the options listed
# here. Samba has a huge number of configurable options (perhaps too
# many!) most of which are not shown in this example
#
# Any line which starts with a ; (semi-colon) or a # (hash)
# is a comment and is ignored. In this example we will use a #
# for commentry and a ; for parts of the config file that you
# may wish to enable
#
# NOTE: Whenever you modify this file you should run the command "testparm"
# to check that you have not many any basic syntactic errors.
#
#======================= Global Settings =====================================
[global]
# workgroup = NT-Domain-Name or Workgroup-Name, eg: REDHAT4
workgroup = WORKGROUP
# server string is the equivalent of the NT Description field
server string = Samba Server for printer
# This option is important for security. It allows you to restrict
# connections to machines which are on your local network. The
# following example restricts access to two C class networks and
# the "loopback" interface. For more examples of the syntax see
# the smb.conf man page
; hosts allow = 192.168.1. 192.168.2. 127.
hosts allow = 127. 10.23.90.0/255.255.255.192
# If you want to automatically load your printer list rather
# than setting them up individually then you'll need this
load printers = yes
# you may wish to override the location of the printcap file
; printcap name = /etc/printcap
# on SystemV system setting printcap name to lpstat should allow
# you to automatically obtain a printer list from the SystemV spool
# system
; printcap name = lpstat
# It should not be necessary to specify the print system type unless
# it is non-standard. Currently supported print systems include:
# bsd, sysv, plp, lprng, aix, hpux, qnx
; printing = bsd
# Uncomment this if you want a guest account, you must add this to /etc/passwd
# otherwise the user "nobody" is used
guest account = pcguest
map to guest = bad user
# this tells Samba to use a separate log file for each machine
# that connects
log file = /var/log/log.%m
# Put a capping on the size of the log files (in Kb).
max log size = 50
# Security mode. Most people will want user level security. See
# security_level.txt for details.
security = user
# Use password server option only with security = server
# The argument list may include:
# password server = My_PDC_Name [My_BDC_Name] [My_Next_BDC_Name]
# or to auto-locate the domain controller/s
# password server = *
; password server = <NT-Server-Name>
# Note: Do NOT use the now deprecated option of "domain controller"
# This option is no longer implemented.
# You may wish to use password encryption. Please read
# ENCRYPTION.txt, Win95.txt and WinNT.txt in the Samba documentation.
# Do not enable this option unless you have read those documents
encrypt passwords = yes
# Using the following line enables you to customise your configuration
# on a per machine basis. The %m gets replaced with the netbios name
# of the machine that is connecting
; include = /usr/local/etc/smb.conf.%m
# Most people will find that this option gives better performance.
# See speed.txt and the manual pages for details
# You may want to add the following on a Linux system:
# SO_RCVBUF=8192 SO_SNDBUF=8192
socket options = TCP_NODELAY
# Configure Samba to use multiple interfaces
# If you have multiple network interfaces then you must list them
# here. See the man page for details.
; interfaces = 192.168.12.2/24 192.168.13.2/24
# Browser Control Options:
# set local master to no if you don't want Samba to become a master
# browser on your network. Otherwise the normal election rules apply
; local master = no
# OS Level determines the precedence of this server in master browser
# elections. The default value should be reasonable
; os level = 33
# Domain Master specifies Samba to be the Domain Master Browser. This
# allows Samba to collate browse lists between subnets. Don't use this
# if you already have a Windows NT domain controller doing this job
domain master = yes
# Preferred Master causes Samba to force a local browser election on startup
# and gives it a slightly higher chance of winning the election
preferred master = yes
# Enable this if you want Samba to be a domain logon server for
# Windows95 workstations.
; domain logons = yes
# if you enable domain logons then you may want a per-machine or
# per user logon script
# run a specific logon batch file per workstation (machine)
; logon script = %m.bat
# run a specific logon batch file per username
; logon script = %U.bat
# Where to store roving profiles (only for Win95 and WinNT)
# %L substitutes for this servers netbios name, %U is username
# You must uncomment the [Profiles] share below
; logon path = \\%L\Profiles\%U
# Windows Internet Name Serving Support Section:
# WINS Support - Tells the NMBD component of Samba to enable it's WINS Server
wins support = yes
# WINS Server - Tells the NMBD components of Samba to be a WINS Client
# Note: Samba can be either a WINS Server, or a WINS Client, but NOT both
; wins server = w.x.y.z
# WINS Proxy - Tells Samba to answer name resolution queries on
# behalf of a non WINS capable client, for this to work there must be
# at least one WINS Server on the network. The default is NO.
; wins proxy = yes
# DNS Proxy - tells Samba whether or not to try to resolve NetBIOS names
# via DNS nslookups. The built-in default for versions 1.9.17 is yes,
# this has been changed in version 1.9.18 to no.
dns proxy = no
# Client codepage settings
# for Greek users
; client code page=737
# for European users (Latin 1)
client code page=850
# for European users (Latin 2)
; client code page=852
# for Icelandic users
; client code page=861
# for Cyrillic users
; client code page=866
# for Japanese Users
; client code page=932
; coding system=cap
# for Simplified Chinese Users
; client code page=936
; coding system=cap
# for Korean Users
; client code page=949
; coding system=cap
# for Traditional Chinese Users
; client code page=950
; coding system=cap
#============================ Share Definitions ==============================
[homes]
comment = Home Directories
browseable = no
writeable = yes
# Un-comment the following two lines to add a recycle bin facility to a samba share
# NOTE: It currently doesn't work with the [homes] virtual share, use a regular share instead
; vfs object = /usr/local/lib/samba/recycle.so
; vfs options= recycle=.recycle
# Un-comment the following and create the netlogon directory for Domain Logons
; [netlogon]
; comment = Network Logon Service
; path = /usr/local/samba/lib/netlogon
; guest ok = yes
; writeable = no
; share modes = no
# Un-comment the following to provide a specific roving profile share
# the default is to use the user's home directory
;[Profiles]
; path = /usr/local/samba/profiles
; browseable = no
; guest ok = yes
# NOTE: If you have a BSD-style print system there is no need to
# specifically define each individual printer
[printers]
comment = All Printers
path = /var/spool/samba
browseable = no
# Set public = yes to allow user 'guest account' to print
guest ok = yes
writeable = no
printable = yes
public = yes
# This one is useful for people to share files
#[tmp]
# comment = Temporary file space
# path = /tmp
# read only = no
# public = yes
# guest ok = yes
#
[Free Space]
comment = Free space for general storage
path = /usr2/home/FreeSpace
read only = no
public = yes
guest ok = yes
# A publicly accessible directory, but read only, except for people in
# the "staff" group
;[public]
; comment = Public Stuff
; path = /home/samba
; public = yes
; writeable = yes
; printable = no
; write list = @staff
# Other examples.
#
# A private printer, usable only by fred. Spool data will be placed in fred's
# home directory. Note that fred must have write access to the spool directory,
# wherever it is.
;[fredsprn]
; comment = Fred's Printer
; valid users = fred
; path = /homes/fred
; printer = freds_printer
; public = no
; writeable = no
; printable = yes
# A private directory, usable only by fred. Note that fred requires write
# access to the directory.
;[fredsdir]
; comment = Fred's Service
; path = /usr/somewhere/private
; valid users = fred
; public = no
; writeable = yes
; printable = no
# a service which has a different directory for each machine that connects
# this allows you to tailor configurations to incoming machines. You could
# also use the %U option to tailor it by user name.
# The %m gets replaced with the machine name that is connecting.
;[pchome]
; comment = PC Directories
; path = /usr/pc/%m
; public = no
; writeable = yes
# A publicly accessible directory, read/write to all users. Note that all files
# created in the directory by users will be owned by the default user, so
# any user with access can delete any other user's files. Obviously this
# directory must be writeable by the default user. Another user could of course
# be specified, in which case all files would be owned by that user instead.
;[public]
; path = /usr/somewhere/else/public
; public = yes
; only guest = yes
; writeable = yes
; printable = no
# Un-comment the following two lines to add a recycle bin facility to a samba share
; vfs object = /usr/local/lib/samba/recycle.so
; vfs options= recycle=.recycle
# The following two entries demonstrate how to share a directory so that two
# users can place files there that will be owned by the specific users. In this
# setup, the directory should be writeable by both users and should have the
# sticky bit set on it to prevent abuse. Obviously this could be extended to
# as many users as required.
;[myshare]
; comment = Mary's and Fred's stuff
; path = /usr/somewhere/shared
; valid users = mary fred
; public = no
; writeable = yes
; printable = no
; create mask = 0765
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