[dns-operations] dns response rate limiting (DNS RRL) patch available for testing
kzorba at otenet.gr
Mon Jun 18 11:36:10 UTC 2012
Stephane Bortzmeyer <bortzmeyer at nic.fr> writes:
> On Tue, Jun 12, 2012 at 08:15:00PM +0000,
> Paul Vixie <paul at redbarn.org> wrote
> a message of 21 lines which said:
>> [recursive servers are] a separate problem, and most of the time the
>> fix is to add an ACL to deny off-net or off-campus query traffic.
> If you don't do ingress filtering, it still allows people to attack
> your users (they can send from the outside a "ANY ripe.net" query
> claiming to be from a local machine).
The same is true if you have open resolvers / forwarders in your
networks (problem CPEs for example) and they accept spoofed queries from
What is the proposed mitigation for the ISP caching resolver in these
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