| Re: [chrony-users] check_ntp_peer with Chrony |
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On Thu, Jan 18, 2018 at 05:25:02PM +0100, Daniele Palumbo wrote:
> I would like to monitor the status of the ntp sources, therefore something like from chronyc sources, i guess.
>
> # chronyc sources
> 210 Number of sources = 2
> MS Name/IP address Stratum Poll Reach LastRx Last sample
> ===============================================================================
> ^+ 000.000.000.007 2 6 377 0 -1925us[-1925us] +/- 21ms
> ^* 000.000.000.003 2 7 377 7 +1562us[+1544us] +/- 16ms
>
> Given also the RFC in draft
> https://datatracker.ietf.org/doc/draft-ietf-ntp-bcp/
> That is not specific to ntpd (but write some comments specific for ntpd),
>
> There may be some interest to developing mode 6 support?
There is currently no interest in implementing the mode 6 protocol
as it allows traffic amplification, which is a security issue.
The protocol is described in draft-ietf-ntp-mode-6-cmds, but it has
informational status and AFAIK it's not intended for new
implementations.
That does not mean I'd not consider replacing the chronyc protocol
with a more standard protocol. I'm not sure what that would be yet.
--
Miroslav Lichvar
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