[Dnsmasq-discuss] Web hang ups after repeated access to one site - dnsmasq related?

[Chris G]

On Fri, Feb 13, 2009 at 03:16:59PM +0000, Simon Kelley wrote:
> Chris G wrote:
>> I recently (a few weeks ago) installed dnsmasq on my xubuntu 8.10
>> system, it appears to work pretty well in general but a problem is
>> appearing which *seems* to be related to when I started using dnsmasq.
>>
>> What happens is that, occasionally, after accessing a particular web
>> site many times, access to that web site hangs. All further access to
>> the web site also results (eventually) in a time-out message. 
>
> What is timing out? The DNS lookup or the HTTP transfer? The messages 
> thatFirefox, at least, displays are fairly good at distinguishing these.
>
Sorry, the HTTP, I get an HTTP timeout message in Firefox.

[snip]
>
> Suggestions:
>
> Use the dnsmasq log-queries option to see better what's going on.
>
OK, I'll do that.

> Check that both the nameservers in /etc/resolv.conf are OK (try removing 
> one at a time.) Resolvers on other machines will always try the first one 
> first, dnsmasq will flit between them in a way which is note deterministic, 
> but i tends to stick to the one it used last.
>
> If the first nameserver is good, but the second is not, that would explain 
> the problems you are seeing.
>
OK, I'll try that too.

Thanks for the ideas.

-- 
Chris Green