Antonio,

If you are really from nic.br please use your email address from that
domain. It is unacceptable to use a gmail account for such notifications.

Danny

Antonio M. Moreiras wrote:
> Aiming to collect and analyze data from NTP network, a survey will be
> held at all hosts available for public access on the NTP network,
> using a program developed for this purpose. The survey will start
> today and will last some days.
> 
> We plan to make this a permanent study, repeating the survey
> periodically.
> 
> The program run the following commands:
>> ntpq -n -c pe -c rl <IP ADDRESS>
>> ntpdate -q <IP ADDRESS>
>> ntpdc -n -c monlist <IP ADDRESS>
> 
> Related work can be found at:
> 
> http://www.ntpsurvey.arauc.br/
> http://www.media.mit.edu/~nelson/research/ntp-survey99/
> 
> The addresses that will make the collection are the 200.160.1.102 (ntp-
> survey.ceptro.br) and 200.160.7.193 (monitor.ntp.br) belonging to
> NIC.br (Núcleo de Informação e Coordenação do Ponto br). Some inicial
> tests were already made from 200.160.1.77 (dubai.ceptro.br).
> 
> If you notice any consultation on your NTP server, don´t be worried:
> the data is for statistical purposes only. As all hosts running NTP
> are potentially NTP servers, you can notice packets sent to the IPs of
> NTP clients also. This research doesn´t undermines your network
> security. The collection is unrelated to the purpose of exploiting any
> security breach of NTP servers.
> 
> If you do not want your network to be searched, contact us by email
> ntp at nic.br, and let us know what IP or IP range should not be
> consulted. Fell free to contact us also for more information,
> criticisms, sugestions or comments.
> 
> The findings will be made available on http://www.ntp.br.
> 
> Best regards,
> --
> Antonio M. Moreiras.
> Brazilian Network Information Center - NIC.br
> moreiras at nic.br
> http://nic.br/english/index.htm
> http://ntp.br

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