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Temporary failure in name resolution

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  Temporary failure in name resolution Shaheena Kazi <shaheena.kazi@gmail.com> - 2024-03-06 11:20 +0100
    Re: Temporary failure in name resolution Dan Ritter <dsr@randomstring.org> - 2024-03-06 11:40 +0100

#268084 — Temporary failure in name resolution

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Package: ntpsec

Hello, we were using Bullseye and have upgraded to Bookworm.
With Bookworm, we have ntpsec.
The package is installed successfully and the service looks good.
But the syslog is filled with below messages:
++++++++++++++++++++++++
2024-03-06T14:58:11.724851+05:30 hostname-shaheena ntpd[35823]: DNS:
dns_check: DNS error: -3, Temporary failure in name resolution
2024-03-06T14:58:11.724862+05:30 hostname-shaheena ntpd[35823]: DNS:
dns_take_status: None=>temp, 3
2024-03-06T14:58:19.572547+05:30 hostname-shaheena ntpd[35823]: DNS:
dns_probe: None, cast_flags:1, flags:20801
2024-03-06T14:58:19.588607+05:30 hostname-shaheena ntpd[35823]: DNS:
dns_check: processing None, 1, 20801

In ntp.conf the server is always set to None. We keep it to None always.

In bullseye it never gave any such messages in the syslog.. even though the
server was None.
But with Bookworm, it gives the above messages in syslog.

When I change the server to the ntp server name in the ntp.conf file... I
don't see these messages in the syslog.

Am I missing any configurations or anything else..
How can get rid of these messages in syslog
Any help will be appreciated. Thanks

Regards,
SK

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#268085

Shaheena Kazi wrote: 
> Package: ntpsec
> 
> Hello, we were using Bullseye and have upgraded to Bookworm.
> With Bookworm, we have ntpsec.
> The package is installed successfully and the service looks good.
> But the syslog is filled with below messages:
> ++++++++++++++++++++++++
> 2024-03-06T14:58:11.724851+05:30 hostname-shaheena ntpd[35823]: DNS:
> dns_check: DNS error: -3, Temporary failure in name resolution
> 2024-03-06T14:58:11.724862+05:30 hostname-shaheena ntpd[35823]: DNS:
> dns_take_status: None=>temp, 3
> 2024-03-06T14:58:19.572547+05:30 hostname-shaheena ntpd[35823]: DNS:
> dns_probe: None, cast_flags:1, flags:20801
> 2024-03-06T14:58:19.588607+05:30 hostname-shaheena ntpd[35823]: DNS:
> dns_check: processing None, 1, 20801
> 
> In ntp.conf the server is always set to None. We keep it to None always.

Did you name a machine "None" in /etc/hosts or your local DNS?

NTP does not work without either an authoritative clock or a
remote NTP server - preferably a pool of NTP servers. Do you
have an authoritative clock source, such as a GPS receiver or an
atomic clock?

Please show us your complete ntp.conf


-dsr-

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