Re: [squid-users] DNS timeouts - unable to reduce timeout

Don't know if it's if use but could dnsmasq speed this up?

On 19 Nov 2010, at 19:41, "declanw_at_is.bbc.co.uk" <declanw_at_is.bbc.co.uk> wrote:

> Hullo.
>
> I have a squid 3.1.9, which has an acl that needs to know the DNS domain
> name of a target IP (yes, I know it slows things down, but it has to stay)
>
> I have a lot of users viewing Flash streams hosted by Akamai, but Akamai's
> reverse DNS servers for e.g. 83.231.150.45 are currently completely dead.
>
> Squid is taking 90 seconds to give up on the reverse DNS lookup for
> http://83.231.150.45/fcs/ident2 and proceed with making the connection.
> Unfortunately, the Flash Player only seems to wait 30 seconds before it
> declares the content stream broken.
>
> I cannot find a setting to make squid timeout DNS faster.
> I have tried increasing 'negative_dns_ttl', but it didn't seem to have any effect.
> 'dns_timeout 10 seconds' had no effect either, which suprised me.
>
> The only DNS option I am using is 'dns_nameservers 127.0.0.1' which points
> at a caching BIND. I am not using an external DNS resolver.
>
> Confused.
>
> DW

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Received on Fri Nov 19 2010 - 23:25:12 MST