1.30.1 [ntpd] - not able to query

[walter harms]

Am 03.07.2019 12:42, schrieb vtolkm at googlemail.com:
> On 03/07/2019 12:26, Denys Vlasenko wrote:
>> On Wed, Jul 3, 2019 at 12:02 PM <vtolkm at googlemail.com> wrote:
>>> On 03/07/2019 11:55, Denys Vlasenko wrote:
>>>> On Tue, Jul 2, 2019 at 3:20 PM <vtolkm at googlemail.com> wrote:
>>>>> On 02/07/2019 15:07, Denys Vlasenko wrote:
>>>>>>> Or won't fix and the ntpd implementation in busybox is not suited to act
>>>>>>> as server?
>>>>>> It does act as server - you can query time from it and syncronize with it.
>>>>>> Support of mode6 requests is not mandatory for server implementation.
>>>>> I am afraid that is rather questionable considering that none of the
>>>>> querying tools (below) imply that queries are actually being served.
>>>>> Do you reckon that all those querying apps are reliant on NTPv2 mode 6
>>>>> then, none producing an output from ntpd -dddd?
>>>>>
>>>>> Started thread started because I am concerned that it actually serves
>>>>> queries, considering:
>>>>>
>>>>> # ntpdate localhost
>>>>> no server suitable for synchronization found
>>>> I see this:
>>>>
>>>> # ntpdate -qv 127.0.0.1
>>>>  3 Jul 11:50:04 ntpdate[16422]: ntpdate 4.2.8p13 at 1.3847-o Mon May 20
>>>> 08:32:18 UTC 2019 (1)
>>>> server 127.0.0.1, stratum 2, offset 0.000036, delay 0.02782
>>>>  3 Jul 11:50:04 ntpdate[16422]: adjust time server 127.0.0.1 offset 0.000036 sec
>>>>
>>>> IOW: it works.
>>> # ntpdate -ddddqv 127.0.0.1
>>>  3 Jul 11:00:25 ntpdate[15239]: ntpdate 4.2.8p13 at 1.3847-o Thu Jun 20
>>> 14:26:21 UTC 2019 (1)
>>> Looking for host 127.0.0.1 and service ntp
>>> 127.0.0.1 reversed to localhost
>>> host found : localhost
>>> transmit(127.0.0.1)
>>> transmit to 127.0.0.1
>>> 127.0.0.1: Server dropped: no data
>>>
>>>  3 Jul 11:00:27 ntpdate[15239]: no server suitable for synchronization found
>> What does ntpd log say when you do this?
> 
> It does not anything with ntpdate -v localhost | ntpdate localhost
> 
> but ntpdate -d localhost | ntpdate -q localhost do work indeed.
> 
> What probably compounded (my apparent confusion) is that tools ntpq |
> ntpdc I commonly use to check upon ntpd are not working (as you explained).
> 
> Thank you for your effort/input.
> 

What version/source of ntpq, ntpdc ? that would be interessting in itself.

re,
 wh


> 
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