[AusNOG] Stopping unwanted random NTP traffic

Paul Gear ausnog at libertysys.com.au
Wed Apr 16 10:14:25 EST 2014


On 04/16/2014 10:08 AM, Dobbins, Roland wrote:
> On Apr 16, 2014, at 6:48 AM, Andrew Tschudi <andrewtschudi at gmail.com> wrote:
>
>>   how do you get around the issue of our uplink connection being saturated.
> If you'll remediate any abusable ntp servers are hosted on your network (or the networks of your customers), or even ACL them off, your uplink won't be saturated, anymore (assuming you're talking about traffic destined to UDP/123 hitting ntp servers on your network).

A rate limit on the amount of outbound traffic from UDP 123 should also 
work, should it not?

Paul


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