[ntp:questions] NTP Denial of Service attack 29 November 2011

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Fri Dec 2 20:53:23 UTC 2011


jimp at specsol.spam.sux.com wrote:
> Rob <nomail at example.com> wrote:
>> Rich <schmidt.rich at gmail.com> wrote:
>>> Someone is "at war" with USNO  NTP service.
>>> They could be students, who knows?
>>> But all of the offending addresses traced to Chinese sites.
>>> In order to continue to provide NTP to US customers,
>>>  USNO elected to block Chinese networks at the /8 level
>>>  whenever we were able to trace the attacks to those networks.
>>> Note that there are 2,605 known Chinese CIDR blocks.
>>>  It takes some time to implement that block list,
>>>   and it requires considerable horsepower.
>>> When it comes to making a choice between staying online
>>>  and denying USNO NTP to China, we must unfortunately
>>>  make the more secure choice.
>>
>> Yeah, sure.
>> But where you went over the line is when you recommended
>>  others to do the same.  Your local solutions to your
>>  particular problems are not to be recommended to be used
>>  by the rest of the world.

Rob gets to decide what others recommend,
 and / or what others do based on those recommendations?


> I highly disagree.
>
> Anyone can recommend anything they want.
>
> It is up to the individual to evaluate the recommendation
>  and decide if the recommendation makes any sense for that
>  individual's particular situation.

Anyone Sane.

 Anyone who wants their career in IT to continue.

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