[ntp:questions] ntpdate with auth

Danny Mayer mayer at ntp.isc.org
Mon Jul 14 11:33:09 UTC 2008


Grzegorz Daniluk wrote:
> Steve Kostecke wrote:
>> ntpq -p will show the offset between your ntpd and a remote time server.
> Yes, I know that, but I can't have that time servers whose time 
> difference I'm checking on my servers list in ntp.conf(i don't want ntpd 
> to start synchronize to them).
> So finally I need to have some sources in ntp.conf and I need to know 
> the difference of time of few servers tnat I can't synchronize to.
> That's the problem I tried to solve using ntpdate. And it works perfect 
> unless I need to use iff with RSA

The autokey code requires a number of packets to be exchanged before the 
client can authenticate the server. That's inappropriate for ntpdate. In 
addition, we want to retire ntpdate and adding such a feature to it 
would take a great deal of work. So far only ntpd can do autokey.

Danny



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