[Dnsmasq-discuss] [PATCH] --dont-mirror-queries option

Kurt H Maier khm at sciops.net
Tue Mar 1 21:23:59 GMT 2016


On Tue, Mar 01, 2016 at 06:50:14PM +0000, Simon Kelley wrote:
> On 24/02/16 23:38, Kurt H Maier wrote:
> 
> This approach assumes that all the servers are dnsmasq, and running the
> loop-detection code, which is a reasonable assumption. Once a query
> escapes from the "cloud" of interconnected dnsmasq servers towards an
> upstream server, the EDNS0 options are no longer required and can be
> stripped without problem. (They will be stripped from replies.)

Part of the concern here was that in some of these deployments we have  
'enclaves' of devices with dnsmasq on the edge nodes.  I'm concerned    
about the interaction on those edges, because EDNS0 data suddenly
disappearing has caused problems for me in the past.  I'm also concerned
about whether we'll have to re-architect our DNS infrastructure to avoid
EDNS0 data growing too large. Do you have draft code for this solution 
anywhere?

Thanks,
khm




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