[ntp:questions] Help with Testing NTP servers

David Woolley david at ex.djwhome.demon.invalid
Thu Mar 21 21:25:12 UTC 2013


unruh wrote:
> On 2013-03-20, srinivas v <s4srinivas at hotmail.com> wrote:

>> steps:
>> 1.Install Operating system (say windows)
>> 2.Set incorrect date
> 
> Why?
> 
>> 3.set ntp server
>> 4.Check date is proper now (verify it with google)
> 
> That certainly does not test ntpd except at a most primative level. 

In particular, it is testing an error recovery case, which ntpd has no 
fundamental need to handle well, using measurement tools that are not 
accurate enough to tell if ntpd is doing its real job.

The correct solution to that error case is better management controls, 
to stop people messing with the time.



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