DNSSEC and SSL

bmanning at vacation.karoshi.com bmanning at vacation.karoshi.com
Sun Aug 22 16:38:28 CDT 2010


On Sun, Aug 22, 2010 at 09:57:27PM +0200, Mans Nilsson wrote:
> Subject: Re: DNSSEC and SSL Date: Sun, Aug 22, 2010 at 09:11:43AM -0400 Quoting ML (ml at kenweb.org):
> > On 8/22/2010 2:38 AM, Mikael Abrahamsson wrote:
> > > No, because DNSSEC isn't secured all the way from the DNS server to the
> > > application, only to the resolver. Both systems have problems, I'd
> > > imagine the best security is when they work together.
> > > 
> > 
> > Is a DNSSEC capable stub resolver not in the cards?
> 
> The best option today is to run a full-service resolver on the host;
> which is a tad heavy for most desktops, not to speak about the cache
> misses that would cause root server system load. The latter of course
> can be avoided by setting forwarders.

	that assertion is unverified. i suspect that cache misses
	would not overload the system as it currently stands. (modulo
	a ramp up of DNSSEC capable stubs/full service IMRs).

> OTOH: A thicker stub resolver does indeed exist; lwresd in the BIND
> suite. Calling it from applications does however mean using new API
> calls; since the traditional resolver API is oblivious to DNSSEC.

	perhaps a review of lwresd/unbound would be worth a
	gander.

--bill

> 
> -- 
> Mens Nilsson     primary/secondary/besserwisser/machina
> MN-1334-RIPE                             +46 705 989668
> What PROGRAM are they watching?






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