[Dnsmasq-discuss] DNSSEC Switchover on 5th May 2010

Jasvinder S. Bahra bbdl21548 at blueyonder.co.uk
Tue Apr 13 17:07:05 BST 2010


>> An article (http://www.theregister.co.uk/2010/04/13/dnssec/) suggests 
>> that
>> there may be problems on the 5th May when the 13 root servers switch over
>> to the DNSSEC protocol.
>>
>> I'm just posting this to see if anyone can tell me whether DNSMasq will 
>> be
>> affected?  I'm specifically interested in whether or not its likely i'll
>> have to reconfigure DNSMasq on the 5th May.
>
> It's a very sensible query. Some thought has gone into this, and the
> conclusion is that all is fine with one possible exception: most
> releases of dnsmasq will, by default, handle UDP packets up to 1280
> bytes. That should be fine in most circumstances, but the recommendation
> now is a limit of 4096 bytes.
>
> The default was changed to 4096 in release 2.52. For earlier releases,
> the same effect can be achieved by adding
>
> edns-packet-max=4096
>
> to /etc/dnsmasq.conf

Thats exactly what I needed.

Thanks for your help.

Regards,

Jazz






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