Filter NTP traffic by packet size?

Chris Laffin claffin at peer1.com
Sun Feb 23 00:43:34 UTC 2014


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 at mykolab.com> wrote:
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
> 
>> 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
> 
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v2.0.22 (MingW32)
> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
> 
> iF4EAREIAAYFAlMIynoACgkQKJasdVTchbJsqQD/ZVz5vYaIAEv/z2kbU6kEM+KS
> OQx2XcSkU7r02wNDytoBANVkgZQalF40vhQED+6KyKv7xL1VfxQg1W8T4drh+6/M
> =FTxg
> -----END PGP SIGNATURE-----
> 



More information about the NANOG mailing list