[Dnsmasq-discuss] dnsmasq + samba??

Robert Kean rkean@keanconsulting.com
Mon, 28 Feb 2005 17:28:11 -0500


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I started getting the "endpoint not connected" error the other day while 
I was experimenting with samba-3.0.11 and turning off WINS support on 
the samba server.

don't know if that helps any, but maybe it will point you in the right 
direction.

-rob

Simon Kelley wrote:

> GrantC wrote:
>
>> Greetings!
>>
>> Just had this happen (backgrounder, deltree is firewall running 
>> dnsmasq, peetoo (192.168.1.24) is fileserver, both run nfs + samba):
>>
>> deltree:~$ mount /home/install/ <<== this is an NFS exsport from peetoo
>> mount: RPC: Remote system error - No route to host
>> deltree:~$ mount /home/install/
>> deltree:~$ df
>> Filesystem           1K-blocks      Used Available Use% Mounted on
>> /dev/hda3               661220    430156    231064  66% /
>> /dev/hda5               156155     13047    135046   9% /var
>> /dev/hda6                62437      6992     52221  12% /usr/local
>> peetoo:/home/install  20562504  15955656   4606848  78% /home/install
>>
>> Feb 24 11:39:24 deltree dnsmasq[204]: query peetoo.mire.mine.nu[A] 
>> from 127.0.0.1
>> Feb 24 11:39:24 deltree dnsmasq[204]: /usr/local/etc/hosts 
>> peetoo.mire.mine.nu is 192.168.2.24
>> Feb 24 11:39:24 deltree dnsmasq[204]: /usr/local/etc/hosts 
>> peetoo.mire.mine.nu is 192.168.1.24
>> Feb 24 11:39:57 deltree dnsmasq[204]: query peetoo.mire.mine.nu[A] 
>> from 127.0.0.1
>> Feb 24 11:39:57 deltree dnsmasq[204]: /usr/local/etc/hosts 
>> peetoo.mire.mine.nu is 192.168.1.24
>> Feb 24 11:39:57 deltree dnsmasq[204]: /usr/local/etc/hosts 
>> peetoo.mire.mine.nu is 192.168.2.24
>> Feb 24 11:39:57 deltree dnsmasq[204]: query 
>> 1.1.168.192.in-addr.arpa[PTR] from 192.168.1.24
>> Feb 24 11:39:57 deltree dnsmasq[204]: /etc/hosts 192.168.1.1 is 
>> deltree.mire.mine.nu
>> Feb 24 11:39:57 deltree dnsmasq[204]: query deltree.mire.mine.nu[A] 
>> from 192.168.1.24
>> Feb 24 11:39:57 deltree dnsmasq[204]: /etc/hosts deltree.mire.mine.nu 
>> is 192.168.1.1
>>
>> Correct dnsmasq operation, but I'm having trouble with samba on 
>> localnet /var/log/syslog full of messages like:
>>
>> Feb 24 11:34:42 deltree smbd[839]:   Denied connection from  (0.0.0.0)
>> Feb 24 11:34:42 deltree smbd[839]: [2005/02/24 11:34:42, 0] 
>> lib/util_sock.c:get_peer_addr(1000)
>> Feb 24 11:34:42 deltree smbd[839]:   getpeername failed. Error was 
>> Transport endpoint is not connected
>> Feb 24 11:34:42 deltree smbd[839]:   Connection denied from 0.0.0.0
>> Feb 24 11:34:42 deltree smbd[839]: [2005/02/24 11:34:42, 0] 
>> lib/util_sock.c:write_socket_data(430)
>> Feb 24 11:34:42 deltree smbd[839]:   write_socket_data: write 
>> failure. Error = Connection reset by peer
>> Feb 24 11:34:42 deltree smbd[839]: [2005/02/24 11:34:42, 0] 
>> lib/util_sock.c:write_socket(455)
>> Feb 24 11:34:42 deltree smbd[839]:   write_socket: Error writing 5 
>> bytes to socket 22: ERRNO = Connection reset by peer
>> Feb 24 11:34:42 deltree smbd[839]: [2005/02/24 11:34:42, 0] 
>> lib/util_sock.c:send_smb(647)
>> Feb 24 11:34:42 deltree smbd[839]:   Error writing 5 bytes to client. 
>> -1. (Connection reset by peer)
>>
>> I don't really know what the above log is telling me??
>>
>> # network topology
>> # `````````````````
>> #
>> #     ----------------            ------------                   LAN
>> #   (                  )  Phone  |            |                Machines
>> #  (  Big Bad Internet  )--------| ADSL Modem |
>> #   (                  )  Line   |            |    100-Base-T   ------
>> #     ----------------            ------------       Switch    |      |
>> #                                       |                ------|      |
>> #                             Public IP | X_WORLD       |      |      |
>> #    .----------.                       |               |  |_|  ------
>> #    |          |                 -------------         |  /
>> #    |  Laptop  |                |  ppp0/eth2  |       ---/     ------
>> #    |__________|   10-Base-2    |             |      | \ |    |      |
>> #    \\ . . . .  \---------------|eth1     eth0|------|/ /|----|      |
>> #     \\ . . . .  \              |             |      | \ |    |      |
>> #      \\__________\             |  Firewall   |       ---\     ------
>> #       `-===------'  X_LAN_2     -------------         |  \
>> #                     192.168.2.0/24                    |  |_|  ------
>> #                                                       |      |      |
>> #                                                        ------|      |
>> #                                              X_LAN_1         |      |
>> #                                              192.168.1.0/24   ------
>> #
>> # Not shown in the above diagram is that the 10-Base-2 cable also 
>> connects
>> #  one or two additional machines that may take on the role of system
>> #  firewall.  This redundancy requires that some machines switch from
>> #  being a localnet 'host' to being the localnet 'master' providing
>> #  firewall, routing, nameserver and dhcp services to the localnet.
>>
>> Mix of win98, win2k, winxp and linux boxen on localnet, less than ten 
>> machines, but some multi-boot and I give them different IP depending 
>> on OS as that seems to confuse windows (and me) less.
>>
>> The fileserver (peetoo) is connected to both local subnets.
>>
>> I'm using slackware 10.1 with 2.4.29-hf2 kernel and samba 3.0.10.
>> (See: http://linux.exosec.net/kernel/2.4-hf/ for 'hotfix' 2.4 kernels)
>>
>> Anyone recognise the smbd errors?  And are they locking up interface, 
>> interfering with dnsmasq?
>>
>
> This looks like a routing/firewall problem (probably firewall, since 
> your network topology is fairly simple). Don't be mislead by the 
> "getpeername" failure in the smb log - this has nothing to do with DNS 
> lookups. getpeername is the system call to get the _address_ of the 
> far end of a TCP connection.
>
> HTH
>
>
> Simon.
>
>
> _______________________________________________
> Dnsmasq-discuss mailing list
> Dnsmasq-discuss@lists.thekelleys.org.uk
> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
>

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