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Open Resolver Problems
- Subject: Open Resolver Problems
- From: tom at cloudflare.com (Tom Paseka)
- Date: Tue, 26 Mar 2013 19:07:16 -0700
- In-reply-to: <CAEmG1=oXXwHObBcBaRTFTj9-uyq_dFfB4j63LAmKp8Y4hdT+Wg@mail.gmail.com>
- References: <[email protected]> <[email protected]> <CAEmG1=oXXwHObBcBaRTFTj9-uyq_dFfB4j63LAmKp8Y4hdT+Wg@mail.gmail.com>
On Tue, Mar 26, 2013 at 7:04 PM, Matthew Petach <mpetach at netflight.com>wrote:
> On Tue, Mar 26, 2013 at 6:06 PM, John Levine <johnl at iecc.com> wrote:
> >>As a white-hat attempting to find problems to address through legitimate
> means, how
> >>do you ?
> >
> > You make friends with people with busy authoritative servers and see
> > who's querying them.
>
> I'm confused. Don't most authoritative servers have to
> answer to just about anyone in order to be useful?
>
> Matt
>
Authoritative DNS servers need to implement rate limiting. (a client
shouldn't query you twice for the same thing within its TTL).