dhcp does not an nsupdate

Simon Hobson dhcp1 at thehobsons.co.uk
Wed Mar 31 08:52:09 UTC 2010

Markus Feldmann wrote:

 From the previous post, in your log it says :

>Unable to add forward map from feld-bert.feldland.lan.feldland.lan 
>to connection refused

"connection refused" is a bit of a giveaway.

>I still tried the following test update.
>feld-server:/etc/bind# nsupdate -k Kfeld-server.feldland.lan.+157+34326.key
>>  server localhost
>>  update add feld-bert.feldland.lan 86400 A
>>  send
>; Communication with failed: timed out could not talk 
>to specified name server
>whereby <server feld-server> or <server> works. How 
>can i change this behaviour? The normal Zone update should be work 
>over localhost.

Is BIND configured to listen on localhost ?

I don't see any "listen-on" directives in the named.conf you posted - 
but then we don't know what command line options are being passed in 
your installations init script, nor what is in 

In summary, this is a BIND, not a DHCPD, problem. It very much looks 
like BIND is not listening on the loopback interface.

"netstat -anp" may be useful in seeing what is listening on what 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

More information about the dhcp-users mailing list