[ntp:questions] xntpd related querries

Richard B. Gilbert rgilbert88 at comcast.net
Fri Nov 24 19:32:13 UTC 2006


Hal Murray wrote:

>>I've never heard of anyone using NTP via a proxy.  As far as I know, you 
>>must send a request to an NTP server and the server will send a reply. 
>>Your system must send at least five requests to the server and receive 
>>five replies before it can start disciplining your clock.
> 
> 
> I'm not sure what a proxy is for NTP.  I know that NTP works through
> NAT, at least on my DSL modem.  It wouldn't be hard to write some code
> that just relayed NTP packets.
> 
> The usual solution if you have a firewall type machine in the way is to
> run ntpd on that machine and ask it directly.  (You probably want ntpd
> running on it anyway so the times in your log files are accurate.)
> 

I don't think that a proxy and a firewall are the same thing.  I work 
through a NAT router/firewall without problems.




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