On Fri, 18 Jun 2010, sean darcy wrote:
> I'm running named as a caching nameserver. /etc/resolv.conf point to
> localhost. But, obviously, it only responds from the cache, since the
> root servers are unavailable.
If the root servers are not available, what is available to cache?
> tcpdump is an interesting idea. The only trouble is that I'm not sure
> when to run it. The phones don't go dead immediately. And not sure what
> to sort on if I do run it.
How about this:
sudo -b tcpdump -i eth0 port domain >eth0-domain
sudo -b tcpdump -i lo port domain >lo-domain
and then look at *-domain when you have an issue.
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwa...@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
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