nanog mailing list archives

Re: Filter NTP traffic by packet size?


From: Chris Laffin <claffin () peer1 com>
Date: Sun, 23 Feb 2014 00:43:34 +0000

Has anyone talked about policing ntp everywhere. Normal traffic levels are extremely low but the ddos traffic is very 
high. It would be really cool if peering exchanges could police ntp on their connected members. 

On Feb 22, 2014, at 8:05, "Paul Ferguson" <fergdawgster () mykolab com> wrote:

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On 2/22/2014 7:06 AM, Nick Hilliard wrote:

On 22/02/2014 09:07, Cb B wrote:
Summary IETF response:  The problem i described is already solved
by bcp38, nothing to see here, carry on with UDP

udp is here to stay.  Denying this is no more useful than trying to
push the tide back with a teaspoon.

Yes, udp is here to stay, and I quote Randy Bush on this, "I encourage
my competitors to block udp."  :-p

- - ferg


- -- 
Paul Ferguson
VP Threat Intelligence, IID
PGP Public Key ID: 0x54DC85B2

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