Open Resolver Problems

Wed Mar 27 02:50:20 UTC 2013

In message <CAEmG1=qgJmvCXg9qvk8RVtURyAWmuQLz7yWraQ4TPUkccPxoLw at mail.gmail.com>
, Matthew Petach writes:
> In terms of impacts people are feeling today, is most of the pain
> coming from open recursive servers being abused by miscreants,
> or from miscreants doing spoofed queries against authoritative
> nameservers?

Both are currently being abused.

Rate limiting itself causes operational problems for legitimate
users of authoritative servers and will only have a limited effect
for a limited time.  It is a stop gap measure.

Mark
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org