Crashing problem

Re: Crashing problem

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Same problem for me, QDNS crashes every 4 or 5 days.
I've already filtered incoming traffic on TCP port 53 but nothing improved.

Hope you'll solve this ASAP.

TIA Fabio

> From: Sigurdur Ragnarsson <siggi@menandmice.com>
> Reply-To: "QuickDNS Talk" <quickdns-talk@lists.menandmice.com>
> Date: Mon, 2 Jul 2001 16:36:57 +0000
> To: "QuickDNS Talk" <quickdns-talk@lists.menandmice.com>
> Subject: Re: Crashing problem
>
> At 9:58 -0500 2.7.2001, Mia's Virtual Post Office wrote:
>> Well after our upgrade to 3.5 we are still experiencing crashes on our
>> Primary box. There is a definite pattern. It happens at around 3AM-5AM
>> usually on Saturdays and Sundays. When it crashes there are two things
>> that we notice:
>>
>> 1. Crashes will occur during a large number of recursive queries
>> 2. Crashes will occur during zone transfers
>>
>> Still at a loss.
>
> A few users have reported a similar problem and we've been investigating this
> for a while, but unfortunately we've not been able to find out what is causing
> this. We've tried to recreate this problem in-house, but so far we've been
> unable to crash our test servers.
>
> We will continue working on this problem and I hope that we'll be able to
> solve it soon.
>
> One thing we are looking at in particular is that some malformed TCP packets
> might be causing the crashes. You might want to configure your firewall to
> filter out TCP packets on the DNS port for the server and see whether it makes
> any difference (of course you'll need to allow TCP traffic for your secondary
> servers for zone transfers).
>
>> Also, we still need our key for the secondary.
>
> I'll find out what is causing this delay and have the key sent to you ASAP.
>
> --
> Sigurdur Ragnarsson Men & Mice
> siggi@menandmice.com http://www.menandmice.com
>

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