nanog mailing list archives

Re: Open Resolver Problems


From: Jared Mauch <jared () puck nether net>
Date: Tue, 26 Mar 2013 19:13:43 -0700



On Mar 26, 2013, at 7:04 PM, Matthew Petach <mpetach () netflight com> wrote:

On Tue, Mar 26, 2013 at 6:06 PM, John Levine <johnl () 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?

If you give the same answer 15x to the same person in a few seconds one can possibly infer they aren't a caching 
resolver or are broken. Either way you can think about ignoring them for a few with dampening or similar. 

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