On 26 May 2015, at 4:27, Randy Bush wrote:
may i remind you of the dns query flood i had which you helped
research?
udp and tcp, from the same sources.
Yes - we determined that the TCP-based queries were a result of RRL,
which is optimized to help with spoofed reflection/amplification
attacks, but isn't intended to handle non-spoofed query-floods (hence
S/RTBH, flowspec, IDMS, et. al.) like the particular ANY query-flood
directed at your auths.
-----------------------------------
Roland Dobbins <rdobb...@arbor.net>