[ntp:questions] problem with pool directive?

Rob nomail at example.com
Mon Nov 10 13:36:36 UTC 2014


Rob <nomail at example.com> wrote:
> Harlan Stenn <stenn at ntp.org> wrote:
>> Rob writes:
>>> I compiled ntp-dev 4.2.7p448 on the CubieBoard2 (ARM processor) and added
>>> a "pool pool.ntp.org" line to the config.   It does not work.  Output
>>> of ntpq -pn is:
>>> 
>>>  pool.ntp.org    .POOL.          16 p    -   64    0    0.000    0.000   0.00
>>> 2
>>> 
>>> When I change "pool" to "server" it works OK, but of course it is hardwired
>>> to a single server selected at boottime.
>>> 
>>> Is there any known problem with this?
>>
>> Not that I'm aware of.  I do similar things at a few sites and it works
>> for me.
>>
>> Do you have "restrict" lines in your ntp.conf file?
>
> Yes I have the now default "restrict" lines, to remedy the DDOS problem.
> There are no specific restrict lines for my other servers.
> Do I need a specific one for the pool directive?

For completeness:

restrict -4 default kod notrap nomodify nopeer noquery
restrict -6 default kod notrap nomodify nopeer noquery
restrict 127.0.0.1
restrict ::1



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