[ntp:questions] How often does ntpd refresh its DNS lookup?

2019-07-31 Thread John Thurston
For server-entries in ntp.conf, how does ntpd (4.2.8p13) time refreshing of hostnames? Does it use the TTL value received with the resolved address (maybe down to some compiled-minimum)? Does it refresh at some configurable interval? I suppose it may not refresh at all, but I interpret the ch

Re: [ntp:questions] How often does ntpd refresh its DNS lookup?

2019-08-03 Thread Jason Rabel
> For server-entries in ntp.conf, how does ntpd (4.2.8p13) time refreshing > of hostnames? As far as I know, for regular server entries once it's done the initial lookup on startup, that's it... I believe for pool entries it will do a lookup to grab new IPs if a pool server goes silent. Maybe tha

Re: [ntp:questions] How often does ntpd refresh its DNS lookup?

2019-08-05 Thread Miroslav Lichvar
On Sat, Aug 03, 2019 at 02:38:45PM -0500, Jason Rabel wrote: > > For server-entries in ntp.conf, how does ntpd (4.2.8p13) time refreshing > > of hostnames? > > As far as I know, for regular server entries once it's done the > initial lookup on startup, that's it... Yes, that's my understanding to

Re: [ntp:questions] How often does ntpd refresh its DNS lookup?

2019-08-10 Thread John Thurston
On 8/3/2019 11:38 AM, Jason Rabel wrote: For server-entries in ntp.conf, how does ntpd (4.2.8p13) time refreshing of hostnames? As far as I know, for regular server entries once it's done the initial lookup on startup, that's it... I believe for pool entries it will do a lookup to grab new I