[Samba] RHEL4 and samba

Margaret_Doll Margaret_Doll at brown.edu
Thu Dec 15 17:03:45 GMT 2005


On Thursday, December 15, 2005, at 11:56 AM, Philip Washington wrote:

> Margaret_Doll wrote:
>
>>
>> On Wednesday, December 14, 2005, at 04:42 PM, Philip Washington wrote:
>>
>>> Margaret_Doll wrote:
>>>
>>>>
>>>>
>>>> Begin forwarded message:
>>>>
>>>>> From: Margaret_Doll <Margaret_Doll at brown.edu>
>>>>> Date: Wed Dec 14, 2005  1:09:24 PM US/Eastern
>>>>> To: samba <samba at lists.samba.org>
>>>>> Subject: [Samba] RHEL4 and samba
>>>>>
>>>>> I brought over the /etc/samba directory from a RHEL3 system to a 
>>>>> RHEL4 system.
>>>>>
>>>>> I disable selinux in case there was a problem with a port being 
>>>>> blocked
>>>>>
>>>>> iptables has port 139 and 445 enabled.
>>>>>
>>>      open ports 137 and 138, I forget which one, but the 
>>> announcement is on one of these ports, you also need to check your 
>>> protocols tcp udp as far as iptables is concerned.      Usually in 
>>> this cases I open up all protocols and the ports needed(check the 
>>> protocols udp and tcp on 139 445 also)  and then start DROP ing or 
>>> REJECT ing  ports-protocols until it breaks.
>>>       selinux should not be an issue with this.
>>
>>
>> I opened the tcp, udp ports in the iptables, restarted iptables, 
>> restarted smb.
>>
>> I still have the same problems with nmbd.   People can do a search 
>> for the server.nnn.nnn.edu and find themselves logged in, but the 
>> server in the Network Neighborhood is "not available"   The printers 
>> from the Windows computers
>> have to be created using the complete path of the server, ie. 
>> server.nnn.nnn.edu, instead of the samba name.
>>
>> iptables --list
>> ...
>> ACCEPT     udp  --  anywhere             anywhere            state 
>> NEW udp dpt:netbios-ns
>> ACCEPT     tcp  --  anywhere             anywhere            state 
>> NEW tcp dpt:netbios-ns
>> ACCEPT     udp  --  anywhere             anywhere            state 
>> NEW udp dpt:netbios-dgm
>> ACCEPT     tcp  --  anywhere             anywhere            state 
>> NEW tcp dpt:netbios-dgm
>> ACCEPT     tcp  --  anywhere             anywhere            state 
>> NEW tcp dpt:netbios-ssn
>> ACCEPT     udp  --  anywhere             anywhere            state 
>> NEW udp dpt:netbios-ssn
>>
>>
> Would it be possible to turn off iptables altogether and try.
> service iptables stop
> service smb restart
> You may have to wait a few minutes for the master browser to pick it 
> up.
>
> Here is a copy of a simple smb.conf I have running on a test machine 
> running RHEL4
> [global]
>        workgroup = COMPA
>        server string = Samba Server
>        interfaces = 10.10.10.167/24
>        log file = /var/log/samba/%m.log
>        max log size = 50
>        socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
>        dns proxy = No
>        idmap uid = 16777216-33554431
>        idmap gid = 16777216-33554431
>        printer admin = @ntadmin, root
>        cups options = raw
>
> [homes]
>        comment = Home Directories
>        read only = No
>        browseable = No
>
> [printers]
>        comment = All Printers
>        path = /var/spool/samba
>        read only = No
>        guest ok = Yes
>        printable = Yes
>        default devmode = Yes
>        browseable = No
>
> [print$]
>        comment = Printer driver Download Area
>        path = /etc/samba/drivers
>        write list = @ntadmin, root, philip
>        guest ok = Yes
>
> [Shared]
>        path = /home/philip/SHARED
>        valid users = philip
>        read only = No
>        hosts allow = 10.10.10.169, 10.10.10.238

I have tried it with selinux and iptables disabled or off.  No 
difference.
My smb.conf with the networks "x'd" out


# Global parameters
[global]
         workgroup = CHEMISTRY
         netbios name = CHEMPS
         server string = chemps - Chemistry Samba Server
         interfaces = 128.xxx.xxx.xxx/24 127.0.0.1
         smb passwd file = /etc/samba/smbpasswd
         min password length = 7
         log file = /var/log/samba/log.%m
         max log size = 50
         socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
         dns proxy = No
         os level = 255
         preferred master = Yes
         domain master = Yes
         wins proxy = yes
         wins support = yes
         remote announce = 128.xxx.xxx.255/Chemistry 
128.xxx.xxx.255/Chemistry 128.xxx.xxx.255/Chemistry 
128.xxx.xxx.255/Chemistry 128.xxx.xxx.255/Chemistry
         invalid users = bin daemon sys adm tty disk lp mem kmem wheel 
mail news uucp man games gopher dip ftp floppy utmp xfs console 
pppusers popusers slipusers slocate gdm filesystem root
         valid users = @chemusers @geousers @users @stockroom @guest
         username map = /etc/samba/smbusers
         domain logons = yes
         guest account = xxxxxxx
         hosts allow = 128.148.124. 128.148.68. 128.148.116. 
128.148.119. 128.148.171. 127.
         dos filetimes = Yes
         dos filetime resolution = Yes
         load printers = yes
         printing = cups
         printcap name = /etc/printcap
         use client driver = yes

[homes]
         comment = Home Directories
         writeable = yes
         browseable = No

[printers]
         comment = All Printers
         path = /var/spool/samba
         guest ok = Yes
         printable = Yes
         browseable = no

[1-Mac]
         comment = Distributed Software for MacIntoshes
         path = /chemusers/1-Mac
         volume = Utilities for MacIntoshes
         guest ok = yes
[1-Win]
         comment = Distributed Software for Windows
         path = /chemusers/1-Win
         volume = Utilities for Window Computers
         guest ok = yes

[Milling]
         comment = Contains the drop boxes for Milling requests
         path = /chemusers/milling
         volume = Milling Drop Box
         writeable = yes
         valid users = @chemusers
         force group = chemusers

[Stockroom]
         comment = Database for the Stockroom Applications
         path = /home/stockroom
         volume = Database for the Stockroom
         valid users = @stockroom
         writeable = yes
         create mask = 660
         directory mask = 0770

[web pages]
         comment = Web pages for data transfer
         path = /home/httpd/html
         volume = Web pages for Chemistry
         guest ok = yes
         writeable = yes



>
>>>
>>>>> I can see the server in the Windows Network Neighborhood but the 
>>>>> user cannot connect because they are unauthorized to attach from 
>>>>> their computer.
>>>>>
>>>>> Most of the test in the samba documentation work except.
>>>>>
>>>>> smbclient -L server -N
>>>>>
>>>>> shows  no computers, but does show the shares and
>>>>>
>>>>> SERVER        COMMENTS
>>>>>
>>>>> myserver        server comments
>>>>>
>>>>> Workgroup    Master
>>>>> -------------
>>>>>
>>>>> myworkgroup
>>>>> 2nd workgroup        master2
>>>>> 3rd workgroup        master3
>>>>>
>>>>>
>>>>> nmblookup -B myserver  __SAMBA__
>>>>> querying __SAMBA__ on correct ip address
>>>>> name_query failed to find name __SAMBA__
>>>>>
>>>>> nmblooup -M myworkgroup
>>>>> querying myworkgroup on mysubnet
>>>>> ip address of a client myworkgroup<1d>
>>>>>
>>>>> "netstat -a" show netbios-ns
>>>>>
>>>>> What do I have set up incorrectly?
>>>>>
>>>>>
>>>>> -- 
>>>>
>>>>
>>>> I found that from the computers I cannot attach to the server 
>>>> through
>>>> the network neighborhood.  I can, however,  log into the server
>>>> if I do a search on the computer.  So the server is not "announcing"
>>>> itself.
>>>>
>>>> How do I fix this problem?  Is this a firewall problem?
>>>>
>>>
>>
>



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