named error messages in log file, how to fix?

[Roy Arends]

On Sun, 24 Jun 2001 zz at rockstone.com wrote:

> Hi, I have a Redhat 7.1 as gateway/dhcp server for my LAN, 
> which has bind-9.1.0-10 running as caching only sever,
> The RH7.1 box has two NICs, with Ethernet card real internet ip,
> and one card private internal ip 192.168.1.254, internal LAN 
> (192.168.1.0/24) machines mostly use the RH7.1 box as resolver.   
> 
> I got lots of repeated errors in /etc/var/log/messages:
> 
> ....
> Jun 24 15:46:22 luna named[605]: client 192.168.1.61#137:
> error sending response: host unreachable
> Jun 24 15:46:23 luna named[605]: client 192.168.1.61#137: 
> error sending response: host unreachable
> Jun 24 15:46:25 luna named[606]: client 192.168.1.61#137: 
> error sending response: host unreachable
> ....
> Jun 24 15:53:24 luna named[606]: client 192.168.1.61#137:
> error sending response: host unreachable
> Jun 24 15:53:25 luna named[606]: client 192.168.1.61#137:
> error sending response: host unreachable
> ....
> 
> those messages repeats from time period of every few seconds
> or few munites to max approx every 15min. 
> 
> 192.168.1.61 is a Win98 machine with only TCP/IP,Client for MS
> network and file sharing protocal/service installed. 
> And I do NOT have Samba running on this RH7.1 linux, nor
> have port 137 to 139 open, I don't understand why the linux
> machine attempts to talk to the Win98 with Netbios protocol
> as indicated using port 137.  

It is the windows box that talks netbios to the linux box, and named is
just trying to respond. 

> Any suggestions what's likely the problem and how to 
> fix it?  thank you.

Fix the windows box, it is sending queries to the Linux box,

Regards

Roy Arends
Nominum