well-known NTP? (Re: Open Letter to D-Link about their NTP vandalism)

Thu Apr 13 06:14:03 UTC 2006

Sorry for the noise again.

Yes, you can edit /etc/hosts

No, the box does not care.

Neither voipd nor multid care for it

Apr 13 05:25:17 voipd[402]: >>> Request: SUBSCRIBE sip:1887188 at sipgate.de
Apr 13 05:25:17 voipd[402]: dns: _sip._udp.sipgate.de: query
Apr 13 05:25:17 voipd[402]: dns: _sip._udp.sipgate.de: "0 0 5060 sipgate.de" ttl=584 from 192.168.180.1.
Apr 13 05:25:17 voipd[402]: dns: sipgate.de: query
Apr 13 05:25:17 voipd[402]: dns: sipgate.de: 217.10.79.9 ttl=4786 from 192.168.180.1.
Apr 13 05:25:18 voipd[402]: <<< Status: 200 OK

Apr 13 02:27:25 multid[360]: dns: 0.europe.pool.ntp.org: query
Apr 13 02:27:25 multid[360]: dns: 0.europe.pool.ntp.org: 85.214.32.50 ttl=1619 from 192.168.180.1.
Apr 13 02:27:25 multid[360]: sending SNTP request to server 0.europe.pool.ntp.org (85.214.32.50)
Apr 13 02:27:25 multid[360]: The NTP time is 13.4.2006  00:27:24.133000 UTC
Apr 13 02:27:25 multid[360]: system time is 1.020000 seconds ahead
Apr 13 02:27:25 multid[360]: adjusting time backward 1.020000 seconds

Regards,
Peter and Karin

Peter Dambier wrote:
> 
> Just for curiousity, you can change it. /etc/hosts is a link
> 
> /etc/hosts -> ../var/tmp/hosts
> 
> you can edit but you cannot permanently save it.
> 
> cat /etc/hosts
> 
> 127.0.0.1       localhost
> 192.168.178.1   fritz.box
> 217.10.79.8     0.europe.pool.ntp.org   ntp.sipgate.de
> 
> Now I dont bother pool.ntp.org but ask my sip provider.
> That trick might work for the D-Link too.
> 
> Of course 0.europe.pool.ntp.org is alright but that
> ntp server D-Link has is not.
> 
> You have to insert the hostname plus ip into /var/tmp/hosts
> or the box will ask DNS.
> 
> 
> Cheers
> Peter and Karin
> 
> 
> 
> Peter Dambier wrote:
> 
>>
>>  From my Fritzbox log:
>>
>> Apr 12 06:27:29 multid[360]: dns: 0.europe.pool.ntp.org: query
>> Apr 12 06:27:30 multid[360]: dns: 0.europe.pool.ntp.org: 82.71.9.63 
>> ttl=79 from 192.168.180.1.
>> Apr 12 06:27:30 multid[360]: sending SNTP request to server 
>> 0.europe.pool.ntp.org (82.71.9.63)
>> Apr 12 06:27:30 multid[360]: The NTP time is 12.4.2006  
>> 04:27:29.150000 UTC
>> Apr 12 06:27:30 multid[360]: system time is 1.007000 seconds ahead
>> Apr 12 06:27:30 multid[360]: adjusting time backward 1.007000 seconds
>>
>> Seems to do that every 8 hours.
>>
>> I could not find a config file. Compiled into "/sbin/multid" ?
>>
>> I guess similar devices like the maudit D-Link are much the same. Only 
>> that
>> multid deamon seems to be AVM specific. If that NTP thing is from the non
>> disclosed und unGPLed TI source then best forget about it. Replace it 
>> by some
>> wellknown software that is known not to be nasty.
>>
>> Another router that is not compatible and not especially a good router -
>> has an html interface where you can put it your favourite NTP server.
>>
>> I still wonder why I cannot configure the NTP server but at least it 
>> is not
>> as nasty as the D-Link.
>>
>> Peter
>>
>>
>> Stephane Bortzmeyer wrote:
>>
>>> On Tue, Apr 11, 2006 at 10:01:10PM +0000,
>>>  Edward B. DREGER <eddy+public+spam at noc.everquick.net> wrote  a 
>>> message of 27 lines which said:
>>>
>>>
>>>> AS112-style NTP service, anyone?  That would be cooperative and
>>>> possibly even useful.
>>>
>>>
>>>
>>>
>>> It already exists (Security warning: do not use it on strategic
>>> machine, there is no warranty that these servers are trustful):
>>>
>>> http://www.pool.ntp.org/
>>>
>>> Active server count on 2006-04-12
>>> Africa     1
>>> Asia     24
>>> Europe     368
>>> North America     223
>>> Oceania     26
>>> South America     7
>>> Global     582
>>> All Pool Servers     653
>>>
>>> The pool.ntp.org project is a big virtual cluster of timeservers 
>>> striving to provide reliable easy to use NTP service for millions of 
>>> clients without putting a strain on the big popular timeservers.
>>>
>>> Adrian von Bidder created this project after a discussion about 
>>> resource consumption on the big timeservers, with the idea that for 
>>> everyday use a DNS round robin would be good enough, and would allow 
>>> spreading the load over many servers. The disadvantage is, of course, 
>>> that you may occasionally get a bad server and that you usually won't 
>>> get the server closest to you. The workarounds for this is 
>>> respectively to make sure you configure at least three servers in 
>>> your ntp.conf and to use the country zones (for example 
>>> 0.us.pool.ntp.org) rather than the global zone (for example 
>>> 0.pool.ntp.org). Read more on using the pool.
>>>
>>> The pool is now enormously popular, being used by at least hundreds 
>>> of thousands and maybe even millions of systems around the world.
>>>
>>> The pool project is now being maintained by Ask Bjørn Hansen and a 
>>> great group of contributors on the mailing lists.
>>>
>>>
>>
>>
> 
> 

-- 
Peter and Karin Dambier
The Public-Root Consortium
Graeffstrasse 14
D-64646 Heppenheim
+49(6252)671-788 (Telekom)
+49(179)108-3978 (O2 Genion)
+49(6252)750-308 (VoIP: sipgate.de)
mail: peter at peter-dambier.de
mail: peter at echnaton.serveftp.com
http://iason.site.voila.fr/
https://sourceforge.net/projects/iason/