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

From: Nick Cairncross <>
Date: Fri, 19 Nov 2010 23:24:01 +0000

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

On 19 Nov 2010, at 19:41, "" <> 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. are currently completely dead.
> Squid is taking 90 seconds to give up on the reverse DNS lookup for
> 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' 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

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