Re: Filter NTP traffic by packet size?

On Feb 21, 2014, at 9:55 AM, Dobbins, Roland <rdobbins@arbor.net> wrote:

Filtering out packets this size from UDP/anything to UDP/123 allows time-sync requests and responses to work, but squelches both the level-6/-7 commands used to trigger amplification as well as amplified attack traffic.

That should read, filtering out packets **** NOT **** that size. Lack of sleep, apologies. ----------------------------------------------------------------------- Roland Dobbins <rdobbins@arbor.net> // <http://www.arbornetworks.com> Luck is the residue of opportunity and design. -- John Milton