[lug] DNS problems

Hugh Brown hugh at vecna.com
Tue Apr 2 13:13:37 MST 2002

don't know about KRUD, but the defaults on RH may create a firewall that
blocks access to dns servers.

I would also try and use dig to try and track down the problem.

i.e. find out what the nameservers are after connecting.
ping them to make sure they are responding, dig www.yahoo.com,

or dig @someotherserver www.yahoo.com 

output should be informative.


On Tue, 2002-04-02 at 14:48, J. Wayde Allen wrote:
> Last week my wife started working to upgrade her aging copy of KRUD, and
> ran into a problem with DNS.  She is using KPPP to create a dialup
> connection.  This seems to work in the sense that the modem dials, she
> gets a connection with the ISP, authentication seems to work OK, and PPP
> evidently gets started.  After that though, she isn't able to connect to
> anything.
> I took a look at things, and it seems that for whatever reason her system
> is not able to find the DNS servers.  At first I was a bit surprised that
> the resolv.conf file was empty, but once KPPP dials the modem and connects
> it copies the correct nameserver entries into the file.  I was able to
> connect to some known machines using raw IP addresses, and creating an
> entry for one of these in her host table solves the problem for that one
> machine.
> So ... any suggestions about what I should have her check next?
> - Wayde
>   (wallen at lug.boulder.co.us)

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