[ntp:hackers] ntpdate removal is coming

todd glassey tglassey at earthlink.net
Thu Jul 21 13:34:18 UTC 2011

On 7/20/2011 4:12 PM, Dave Hart wrote:
> On Mon, Jul 18, 2011 at 05:26, Jukka Ruohonen<jruohonen at iki.fi>  wrote:
>> Does ntpd still listen on all interfaces? If yes, there is a reason for
>> keeping ntpdate, even if it is just for "own reasons".
> By default, yes.  You can control that, though:
> http://www.eecis.udel.edu/~mills/ntp/html/miscopt.html#interface
> Cheers,
> Dave Hart
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> hackers at lists.ntp.org
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We use NTPDATE as a Intentional Evidence Tool - and believe that it 
needs to remain in the Reference Port package for compliance uses. 
Additionally it is used by certain legacy systems and environments which 
cannot be updated at this time.

As to why it is a valuable part of the reference port now, NTP ass this 
group has implemented it doesn't create the same type of reliable 
evidence and NTPDATE does...

Why this is important is that in the commerce world provability is 
everything. This is a matter of how legal evidence models work so the 
issue is whether NTP is a system for cross-equalization of some TIME 
VALUE across a number of computers which can be used for commerce, or 
whether some other solution is needed.

I suggest that the issue of whether to remove NTPDATE is more an issue 
of defining the scope of what the NTP reference port is and does from a 
policy standpoint since this will define what the kit must contain to 
implement those policies and controls... Pardon me for restating the 
obvious for this list again and again but as brilliant researchers this 
shouldn't be rocket science.


Todd S. Glassey
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