Re: [Samba] Samba 3.5.8 - windows XP workstations disapear from browselist

2012-01-27 Thread BartekR

Hello !

I've upgraded samba to 3.6.1 during migration to new hardware. Problem 
remains the same.


Offtop. Are You Polish ? Nobody else reported similar problem. Perhaps 
it is language related (language specyfic Windows update).


Thanks!
BartekR

W dniu 2012-01-26 21:59, Daniel DeptuƂa pisze:

Hello!

I'm afraid I have the same problem in my network. We have a domain where
Samba (3.5.11) is the PDC. Clients include Windows XP's and 7's. I
recently noticed that many stations are not visible in the browselist.
I'll investigate it and let you know about the results.

Daniel






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Re: [Samba] Samba 3.5.8 - windows XP workstations disapear from browselist

2012-01-25 Thread BartekR

Hello !

I would like to refresh this topic beacuse I have discovered something 
new. This problem relates only to machines with WINDOWS XP with 
automatic system update enabled. Win XP sp2 (fresh install) with 
disabled updates does not dissapear! So should i try to uninstall some 
of updates ?Is there any way to find the one responsible for this problem?


Thanks !
BartekR

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Re: [Samba] Samba 3.5.8 - windows XP workstations disapear from browselist

2011-05-23 Thread BartekR

Hi!

Since there is no clean solution for this I wrote simple perl script.

Simplified algorithm:

1. Load /etc/hosts
2. Use arping to check every ip from /etc/hosts (belonging to local 
network) for presence.

3. If there is an arp response check this host by issuing smbclient.
4. If there is an smb response (even error response from server) 
workstation gets added.


Results are visible two way:

1. There is an directory in /tmp (tmpfs) where script creates or remove 
windows style links (lnk) to machines. Then this directory is shared by 
smb so windows clients can map it as windows drive.


2. Script replaces original browse.dat . It creates and remove 
workstation definitions from this file.



It is both : very simple and VERY unclean.


Thanks for everyone trying to help Me !

Bartek R.

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Re: [Samba] Samba 3.5.8 - windows XP workstations disapear from browselist

2011-05-11 Thread BartekR

W dniu 2011-05-11 15:41, Chris Smith pisze:

On Wed, May 11, 2011 at 7:58 AM, BartekR  wrote:

So it is impossible to solve this issue ?


Maybe :)

Try running:
=
net config server /autodisconnect:-1
=
on the XP workstations.


No success.



Check the network device in device manager and make sure that power
management isn't allowed to turn it off.


It was one of first things checked by my. I did not wrote about this 
because I found it obvious.


Thanks.
BartekR.

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Re: [Samba] Samba 3.5.8 - windows XP workstations disapear from browselist

2011-05-11 Thread BartekR

So it is impossible to solve this issue ?
I don't have any other ideas except some kind of nasty workaround:

Ill write perl script. It would periodically check every machine in 
/etc/ethers for presence and smb/nmb activity. Depending on that it will 
maintain directory with windows-style shortcuts pointing to active 
machines. I will share this directory throu samba and map them on 
workstations as drive L , L as list.



Thanks

BartekR.

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Re: [Samba] Samba 3.5.8 - windows XP workstations disapear from browselist

2011-05-09 Thread BartekR

Lastest log with "log level = 3" (cat log.nmbd |grep BARTEKR -B1)

[2011/05/09 20:23:30.422987,  3] 
nmbd/nmbd_namelistdb.c:250(add_name_to_subnet)
  add_name_to_subnet: Added netbios name BARTEKR<20> with first IP 
192.168.7.121 ttl=299211 nb_flags=44 to subnet WINS_SERVER_SUBNET

--
[2011/05/09 20:23:30.423636,  3] 
nmbd/nmbd_namelistdb.c:250(add_name_to_subnet)
  add_name_to_subnet: Added netbios name BARTEKR<00> with first IP 
192.168.7.121 ttl=299211 nb_flags=44 to subnet WINS_SERVER_SUBNET

--
[2011/05/09 20:24:11.164635,  3] 
nmbd/nmbd_incomingdgrams.c:116(process_host_announce)
  process_host_announce: from BARTEKR<00> IP 192.168.7.121 to 
ENELPC<1d> for server BARTEKR.
[2011/05/09 20:24:11.164742,  3] 
nmbd/nmbd_serverlistdb.c:156(create_server_on_workgroup)
  create_server_on_workgroup: Created server entry BARTEKR of type 
40011003 (Laptop) on workgroup ENELPC.

--
[2011/05/09 20:24:51.415816,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<20> 
IP 192.168.7.121
[2011/05/09 20:24:51.417316,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<00> 
IP 192.168.7.121

--
[2011/05/09 20:25:21.430720,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<20> 
IP 192.168.7.121
[2011/05/09 20:25:21.432032,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<00> 
IP 192.168.7.121

--
[2011/05/09 20:27:51.453606,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<20> 
IP 192.168.7.121
[2011/05/09 20:27:51.455130,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<00> 
IP 192.168.7.121

--
[2011/05/09 20:30:21.473853,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<20> 
IP 192.168.7.121
[2011/05/09 20:30:21.475211,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<00> 
IP 192.168.7.121

--
[2011/05/09 20:32:51.497253,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<20> 
IP 192.168.7.121
[2011/05/09 20:32:51.518887,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<00> 
IP 192.168.7.121

--
[2011/05/09 20:35:21.516859,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<20> 
IP 192.168.7.121
[2011/05/09 20:35:21.518229,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<00> 
IP 192.168.7.121

--
[2011/05/09 20:37:50.537670,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<20> 
IP 192.168.7.121
[2011/05/09 20:37:50.553865,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<00> 
IP 192.168.7.121

--
[2011/05/09 20:40:20.560281,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<20> 
IP 192.168.7.121
[2011/05/09 20:40:20.561679,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<00> 
IP 192.168.7.121

--
[2011/05/09 20:42:50.581834,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<20> 
IP 192.168.7.121
[2011/05/09 20:42:50.583208,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<00> 
IP 192.168.7.121

--
[2011/05/09 20:45:20.601792,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<20> 
IP 192.168.7.121
[2011/05/09 20:45:20.603141,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<00> 
IP 192.168.7.121

--
[2011/05/09 20:47:50.624163,  3] 
nmbd/nmbd_winsserver.c:859(wins_process_name_refresh_request)
  wins_process_name_refresh_request: Name refresh for name BARTEKR<20> 
IP 192.168.7.121
[2011/05/0

Re: [Samba] Samba 3.5.8 - windows XP workstations disapear from browselist

2011-05-09 Thread BartekR
   H
BELPHEGOR<03>  - H
BELPHEGOR<20>  - H
..__MSBROWSE__.<01>  -  H
ENELPC<1d>  - H
ENELPC<1b>  - H
ENELPC<1c>  -  H
ENELPC<1e>  -  H
ENELPC<00>  -  H

MAC Address = 00-00-00-00-00-00

For me it looks fine. Only belphegor (192.168.7.1) answers querry.

Thanks
BartekR.

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Re: [Samba] Samba 3.5.8 - windows XP workstations disapear from browselist

2011-05-09 Thread BartekR

W dniu 08.05.2011 21:48, Chris Smith pisze:

On Sun, May 8, 2011 at 1:59 PM, BartekR  wrote:

So it is Windows XP workstations to blame or maybe there is another thing
that i should check ?


I run several Samba installations with no such issues with XP. So
unless your XP installs are tweaked in some weird fashion I wouldn't
suspect off-hand that they are the problem. I find it strange that
they are in the browse list for a while and then disappear.


No, this machines run Windows XP provided by their manufacturer (Dell, 
HP, Lenovo and others). They have automatic updates turned on.




In your scenario these are the changes I would make:
1) running Samba as a DC, even though you aren't using it for
centralized authentication (I suspect, but have no proof, that it's
more likely to remain the LMB/DMB). You'll need to also add domain
logons = yes to the settings in the previous post.


Done.


2) eliminating the added hosts and lmhosts entries since you state you
have adequate DNS support and are running a WINS server as well (this
will eliminate any possible conflicts in that area).


name resolve order = wins host bcast
As You wrote below. Am I correct ?


3) make sure that your DHCP server (you seem to have enough systems
that manual configuration would be undesirable) provides the proper
information for NetBIOS and WINS. And fix the name resolve order in
smb.conf (you have a typo - hosts instead of host). For example:


testparm does not report this as error. Are You sure ?


dhcpd.conf:

option netbios-name-servers 192.168.7.1;
option netbios-node-type 2;
option netbios-scope "";

In smb.conf:

name resolve order = wins host bcast



Done.



4) double-check that all systems are registering themselves with the
WINS server (peek at wins.dat).


Is it normal that workstation gets registered more than one time ?
Take a look:

# cat /var/lib/samba/wins.dat
VERSION 1 0
"ROMEKH#00" 1305251800 192.168.7.120 44R
"ENELPC#20" 1304963990 192.168.7.1 66R
"JAREKK#00" 1305219664 192.168.7.112 24R
"DAREKP#00" 1305243373 192.168.7.111 64R
"BELPHEGOR#00" 1305210919 192.168.7.1 192.168.111.1 212.106.129.190 66R
"BOZENAM#00" 1305293717 192.168.7.102 24R
"HENRYKK#20" 1305292133 192.168.7.101 24R
"JACEKS#20" 1305217962 192.168.7.110 64R
"DRUK-KOLOR#00" 1305217858 192.168.7.150 44R
"ENELPC#1b" 1305210919 192.168.7.1 192.168.111.1 212.106.129.190 66R
"MIREKJ#20" 1305290607 192.168.7.122 24R
"BARTEKR#20" 1305251870 192.168.7.121 44R
"ENELPC#00" 1305251870 0.0.0.0 c4R
"ENELPC#1c" 1305210919 192.168.7.1 e4R
"ROMEKH#20" 1305251800 192.168.7.120 44R
"HENRYKK#00" 1305292134 192.168.7.101 24R
"JACEKS#00" 1305290475 192.168.7.110 64R
"BELPHEGOR#03" 1305210919 192.168.7.1 192.168.111.1 212.106.129.190 66R
"__MSBROWSE__#01" 1305051023 0.0.0.0 c4R
"JAREKK#20" 1305219664 192.168.7.112 24R
"BOZENAM#20" 1305293717 192.168.7.102 24R
"MIREKJ#00" 1305290608 192.168.7.122 24R
"DAREKP#20" 1305243373 192.168.7.111 64R
"BELPHEGOR#20" 1305210919 192.168.7.1 192.168.111.1 212.106.129.190 66R
"ENELPC#1e" 1305251870 0.0.0.0 e6R
"BARTEKR#00" 1305251870 192.168.7.121 44R
"ENELPC#03" 1304963990 192.168.7.1 66R






Thanks a lot Chris

Bartek R.


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Re: [Samba] Samba 3.5.8 - windows XP workstations disapear from browselist

2011-05-08 Thread BartekR
So it is Windows XP workstations to blame or maybe there is another 
thing that i should check ?


Bartek R.


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Re: [Samba] Samba 3.5.8 - windows XP workstations disapear from browselist

2011-05-08 Thread BartekR

W dniu 07.05.2011 22:25, Chris Smith pisze:


Try changing the above parameters.

Eliminate, or comment out:
===
# socket options = TCP_NODELAY SO_SNDBUF=16384 SO_RCVBUF=16384
===

Change the rest to either:



or preferably this:
===
security = user
os level = 32
domain master = yes
preferred master = yes
===



Tested twice. No success. XP Workstation keeps disappearing as usual :/


You can still have guest shares with security = user, see:
http://blog.realcomputerguy.com/2010/12/samba-and-guest-shares-with-security.html


So security = share is some kind of outdated option ? I used it in past 
without any problems.



The smb.conf man page states that preferred master is best used with
domain master. It doesn't hurt to have a domain controller even you
don't join any systems to it.


Thanks for this information too. My manual for smb.conf is shorter from 
what i remember from past. I have no preciseful option descriptions.



One more time: Thanks!

Bartek R.



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[Samba] Samba 3.5.8 - windows XP workstations disapear from browselist

2011-05-07 Thread BartekR

Hello!

I have small network in my work. Workstations that connects to it runs 
various kind of OS. This includes:


1x Windows 95 (Brother Printer)
8x Windows XP <=problematic!
2x Windows Visa
2x Windows 7
1x Samba 3.5.8 (WINS,DNS, supose to be LMB)

There is a serious problem with a browselist. Ever single windows XP 
workstations disapear from browselist after an about 24 - 28 minutes 
after workstation powerup or smbd restart. After this they are still 
accesable by hostname, netbiosname, and ip. Other workstations are 
visible as they should be and don't disapear.


First i thought it is an name resolution problem but i run correctly 
configured dns server. This server answers for both types of querry: 
straight (domain->ip) and reverse (address->ip).It is well tested. Also 
i've made /etc/hosts and /etc/samba/lmhosts files. They contains same 
ip=domain setup as named.


Next thing was an firewall on my server (smbd and nmbd runs on it) but i 
found that it does not matter. Even turning off tcp_syncookies and 
rp_filter. Without success.


I have found an article suggesting that windows xp firewall is to blame. 
I dont think it is a true, because workstations runs diffrent types of 
firewall. One of them use windows firewall but others use another 
firewalling sollution. Both of theese disapear from browselist in the 
same way. Complete disabling of XP workstation firewall does not solve 
problem.


Every switch in my network was tested. I have excluded damaged one from 
topology. It was an device connecting 2 XP workstations (+uplink) on a 
edge of network. Still, no success with improving browselist stability.


Also i have tried diffrent configurations of samba. No succes. Now i run 
following configuration:



#=
[global]

#tested
max protocol = NT1
syslog = 0
unix charset = UTF-8
dos charset = CP852
time server = yes
#tested
#smb ports = 139
name resolve order = wins bcast hosts lmhosts
#tested
#interfaces = eth0 192.168.7.1 lo 127.0.0.1
#tested
#bind interfaces only = Yes
#tested
hosts allow = 192.168.7.0/24 127.0.0.1
#tested
enhanced browsing = no
keepalive = 30
loglevel = all:10
show add printer wizard = no
socket options = TCP_NODELAY SO_SNDBUF=16384 SO_RCVBUF=16384

workgroup = ENELPC
server string = Serwer
netbios name = belphegor
security = share
load printers = no
printcap name = /etc/printcap
printing = cups
guest account = nobody
log file = /var/log/samba/samba.%m
max log size = 1
#tested
local master = yes
#tested
os level = 255
#tested
domain master = no
#tested
preferred master = yes
domain logons = no
#tested
wins support = yes
wins proxy = no
#tested
dns proxy = no
passdb backend = tdbsam

#shares below
#[...]

#=

Lines followed by "#tested" were changed to find sollution but with no 
success.





There is log piece covering period of time while BARTEKR disappears:

#=

[2011/05/06 20:04:03.848346,  4] 
nmbd/nmbd_workgroupdb.c:170(find_workgroup_on_subnet)
  find_workgroup_on_subnet: workgroup search for ENELPC on subnet 
192.168.7.1: found.
[2011/05/06 20:04:03.848486, 10] 
nmbd/nmbd_sendannounce.c:381(announce_myself_to_domain_master_browser)
  announce_myself_to_domain_master_browser: t (1304705033) - 
last(1304704509) < 900
[2011/05/06 20:04:13.851328,  4] 
nmbd/nmbd_workgroupdb.c:170(find_workgroup_on_subnet)
  find_workgroup_on_subnet: workgroup search for ENELPC on subnet 
192.168.7.1: found.
[2011/05/06 20:04:13.851467, 10] 
nmbd/nmbd_sendannounce.c:381(announce_myself_to_domain_master_browser)
  announce_myself_to_domain_master_browser: t (1304705043) - 
last(1304704509) < 900
[2011/05/06 20:04:13.851514,  4] 
nmbd/nmbd_workgroupdb.c:281(dump_workgroups)

  dump_workgroups()
   dump workgroup on subnet 192.168.7.1: netmask=  255.255.255.0:
  <>ENELPC(1) current master browser = ENELPC
  <><-->ENELPC 408c9a23 (Serwer)
  <><-->BARTEKR 40011003 (Laptop)
  <><-->DRUK-KOLOR 40002003 ()
[2011/05/06 20:04:13.851589,  4] 
nmbd/nmbd_workgroupdb.c:281(dump_workgroups)

  dump_workgroups()
   dump workgroup on subnet  UNICAST_SUBNET: netmask=  127.0.0.1:
  <>ENELPC(1) current master browser = UNKNOWN
  <><-->ENELPC 40899a23 (Serwer)
[2011/05/06 20:04:13.851669, 18] lib/util_tdb.c:358(tdb_unpack)
  tdb_unpack(wbddd, 35) -> 31
[2011/05/06 20:04:13.851706, 18] lib/util_tdb.c:358(tdb_unpack)
  tdb_unpack(wbddd, 35) -> 31
[2011/05/06 20:04:13.851740, 18] lib/util_tdb.c:358(tdb_unpack)
  tdb_unpack(wbddd, 35) -> 31
[2011/05/06 20:04:13.851774, 18] lib/util_tdb.c:358(tdb_unpack)
  tdb_unpack(wbddd, 35) -> 31
[2011/05/06 20:04:13.851807, 18] lib/util_tdb.c:358(tdb_unpack)
  tdb_unpack(wbddd, 35) -> 31
[2011/05/06 20:04:13.851841, 18] lib/util_tdb.c:358(tdb_unpack)