[ntp:questions] NTP behind NAT

Richard B. gilbert rgilbert88 at comcast.net
Fri Apr 6 17:37:39 UTC 2007


Steve Kostecke wrote:
> On 2007-04-06, Spoon <devnull at localhost.com> wrote:
> 
> 
>>Does NTP work if I have two systems behind a NAT-router querying the 
>>same NTP server?
> 
> 
> NTP time service works through NAT (I do that on my home LAN) but NTP
> Authentication will not.
> 
> 
>>Does an NTP server keep track of who it has replied to?
> 
> 
> ntpd does not maintain any state information pertaining to the polls
> that it has answered.
> 

It does, or can, record who it has replied to.  You can query a server 
for the list of its clients.




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